The Simple Calendar Pro Insider’s Guide
Everything we know about Simple Calendar Pro in one document: what it costs, its grades, getting a refund, getting help and what else to look at. Read it here, or keep a copy.
Simple Calendar Pro
The Insider’s Guide
Offline Android calendar with CalDAV sync and no ads, bought once
Every plan, grade, refund rule and rival among calendar and scheduling apps, read from Simple Calendar Pro’s own pages.
Made by Simple Mobile Tool · checked Nov 13, 2026 · toolgpa.com
Contents
- 01WelcomeWhat it is, who it suits, its grades and the ten things to know first
- 02What it costsEvery plan, the free plan, ways to pay less and how prices have moved
- 03What it doesIts main features, where it runs, what it works with and who makes it
- 04Where it standsIts grades against its category, and whether to keep it or make your own
- 05The alternativesThe tools it is most often weighed against, side by side
- 06Quick answersThe questions people ask about it, each answered in a line or two
- 07About ToolGPAWho made this guide, what else is on the site, and how to cite it
ToolGPA put this guide together from Simple Calendar Pro’s own pages, its app-store listings and our grades. Every fact in it is on Simple Calendar Pro’s page too, where it is kept up to date. Checked Nov 13, 2026.
Part 01 · Overview
Welcome
What it is, who it suits, its grades and the ten things to know first
2.0
GPA, above 11 of the 114 other calendar and scheduling apps we grade
Simple Calendar Pro is the paid edition of Simple Mobile Tools' Android calendar. It keeps events on the device, supports day, week, month and year views, and can sync through Google Calendar or other CalDAV calendars. Its Google Play listing describes it as ad-free and open source.
To get you started, here are 8 things to know about Simple Calendar Pro, taken from its own pages and our grades.
No rating counted, but it is install and start with nothing to set up.
- 1
Best for an offline calendar on Android
Simple Calendar Pro is a paid Android calendar at $2.99 one-time, with offline use, CalDAV and Google sync.
- 2
What it costs
Paid plans start at $2.99 one-time.
- 3
It runs on Android
Android.
- 4
Offline use
The listing says no internet access is needed, so events stay on the device.
- 5
CalDAV and Google Calendar sync
Events can sync with Google Calendar, Outlook, Nextcloud, Exchange and other CalDAV services.
- 6
Several views
Switch between daily, weekly, monthly, yearly and list views, with a home-screen widget.
- 7
A 2.0 GPA, above 11 of 114
That is against the other calendar and scheduling apps we grade, on value, the free plan, features, ease of use and platforms.
- 8
Your call
A calendar at its plainest is events on a grid.
Simple Calendar Pro at a glance
- Pricing
- Paid, from $2.99 one-time
- Free plan
- No
- Free trial
- None stated
- Runs on
- Android
- Made by
- Simple Mobile Tool
- Category
- Calendar & Scheduling
- Our grade
- 2.0 GPA, fair
The report card
Best for an offline calendar on Android
Simple Calendar Pro is a paid Android calendar at $2.99 one-time, with offline use, CalDAV and Google sync. It is Android only, and its Google Play listing was last updated in October 2023.
| Subject | Grade | Comment |
|---|---|---|
| Value for money | A | $2.99 one-time, well under a year of the $8 middle calendar subscription. |
| Free plan and trial | F | No free version of this app and no trial; the vendor's free app is a separate listing with ads. |
| Features | C | Offline calendar with views, events, reminders and import and export. It does that fully and it is a smaller job: no booking or team features. |
| Ease of use | B | No rating counted, but it is install and start with nothing to set up. |
| Platforms and integrations | D | Android only, with CalDAV, Google, Outlook, Nextcloud and Exchange sync. |
An A is worth 4 points, a B 3, a C 2, a D 1 and an F nothing. The GPA is the average of the five.
Who Simple Calendar Pro is for
- Fits if you want a plain offline calendar on an Android phone
- Works for people who want no ads and a one-time price
Who it is not for
- Skip it if you use an iPhone, Mac or the web, as it is Android only
- Watch out: the Pro listing was last updated on 3 October 2023
- Not for you if you want booking links or team scheduling
- Watch out: the vendor's site now points to a free version with ads and in-app purchases
Good to know
Good for
- Android users who want a calendar without ads or an account
- People who prefer paying once to a subscription
- Users who sync with Nextcloud or another CalDAV server
Worth knowing
- Android only; the pages read list no iPhone, Mac or web version.
- The Pro listing was last updated on October 3, 2023, and the vendor's site now describes a free Simple Calendar app that contains ads and in-app purchases.
- It is a personal calendar; the pages read mention no booking links or team scheduling.
Part 02 · Pricing
What it costs
Every plan, the free plan, ways to pay less and how prices have moved
$2.99 one-time
To start
Simple Calendar Pro is a paid product, starting at $2.99 one-time.
No free version of this app and no trial; the vendor's free app is a separate listing with ads.
Simple Calendar Pro
$2.99
one-time
Paid app on Google Play (US price); the listing says it has no ads.
Read from play.google.com on Nov 13, 2026.
Part 03 · Features
What it does
Its main features, where it runs, what it works with and who makes it
1
Place it runs: Android
Offline Android calendar with CalDAV sync and no ads, bought once. Here is what it does, as its own site describes it, and what it covers: open source, works offline, one-time purchase, calendar.
Offline calendar with views, events, reminders and import and export.
- Offline use
- The listing says no internet access is needed, so events stay on the device.
- CalDAV and Google Calendar sync
- Events can sync with Google Calendar, Outlook, Nextcloud, Exchange and other CalDAV services.
- Several views
- Switch between daily, weekly, monthly, yearly and list views, with a home-screen widget.
- Events and reminders
- Set times, durations, reminders and repetition rules, and import holidays and contact birthdays.
- Import and export
- Events move in and out through .ics files, and settings can be exported to a text file.
Where it runs
- Android
What it works with
- Google Calendar
- Microsoft Outlook
- Nextcloud
- Exchange
Simple Calendar Pro is made by Simple Mobile Tool.
Part 04 · Standing
Where it stands
Its grades against its category, and whether to keep it or make your own
11/114
Other calendar and scheduling apps it is graded above
Simple Calendar Pro's GPA of 2.0 is higher than 11 of the 114 other calendar and scheduling apps we grade, and level with 10.
It stands best on value for money (A, above 79 of 114) and worst on free plan and trial (F, above 0).
Each grade against the category
Every bar is all 115 calendar and scheduling apps we grade, cut by the letter each got. Simple Calendar Pro’s own letter is outlined.
- AValue for moneyAbove 79 of 114
- FFree plan and trialAbove 0 of 114
- CFeaturesAbove 6 of 114
- BEase of useAbove 68 of 114
- DPlatforms and integrationsAbove 0 of 114
Keep it, or make your own?
Whether this is something you could build for yourself with an AI app builder, and what you would give up.
Your call
A calendar at its plainest is events on a grid.
You could make the core of Simple Calendar Pro for yourself: calendar. What you would give up is listed below. Whether that is worth the price is your call. At $2.99, paid once, it costs less than the weekend it would take to replace, which is the argument for keeping it. Simple Calendar Pro is open source, so there is a third way: take its code and run it yourself.
What you could make
- Calendar: an app builder makes this well.
What you could not
- A real app for Android. Something home-made would be a web page.
- Hooks into the device itself: widgets.
What this rests on. Simple Calendar Pro’s listing: what it does, where it runs, what it plugs into and what it costs. It is a judgement about the kind of software this is. We have not built a replacement for it, and making your own means looking after it too. How we decide, and every tool’s verdict.
Part 05 · Alternatives
The alternatives
The tools it is most often weighed against, side by side
Fossify Calendar, Etar, aCalendar, Business Calendar 2 and CalenGoo
The 5 tools Simple Calendar Pro is most often weighed against, with where each one differs from it.
- 2.8GPA
Fossify Calendar
Free
Open-source Android calendar with no ads, tracking or account.
- Fossify Calendar has a free plan. Simple Calendar Pro does not.
- Simple Calendar Pro can be bought with a one-time purchase.
- 2.6GPA
Etar
Free
Open-source Material Design calendar for Android.
- Etar has a free plan. Simple Calendar Pro does not.
- Simple Calendar Pro can be bought with a one-time purchase.
- 2.6GPA
aCalendar
Free plan · from $2.49 one-time
Android calendar with widgets, tasks and one-time upgrades.
- aCalendar has a free plan. Simple Calendar Pro does not.
- Simple Calendar Pro is open source, according to its own site.
- aCalendar also covers tasks.
- 2.2GPA
Business Calendar 2
Free plan · from $1.49
Android calendar and task app with widgets and a Pro upgrade.
- Business Calendar 2 has a free plan. Simple Calendar Pro does not.
- Simple Calendar Pro is open source, according to its own site.
- Simple Calendar Pro can be bought with a one-time purchase.
- 2.8GPA
CalenGoo
Free trial · from $5.99 one-time
Highly configurable calendar and task app sold as a one-time purchase.
- Only CalenGoo lists iOS, Windows, macOS and Linux apps.
- Simple Calendar Pro is open source, according to its own site.
- CalenGoo also covers templates, tasks and natural-language input.
Part 06 · Questions
Quick answers
The questions people ask about it, each answered in a line or two
12
Questions, each answered in a line or two
The short version of everything above, for when you only need the answer. Each one is told in full in its part of the guide.
Is Simple Calendar Pro free?
No. Simple Calendar Pro is a paid product, starting at $2.99 one-time.
How much does Simple Calendar Pro cost?
Simple Calendar Pro lists one plan. Simple Calendar Pro: $2.99 one-time.
What platforms does Simple Calendar Pro work on?
Simple Calendar Pro is available on Android.
Does Simple Calendar Pro have an iPhone app?
No iPhone app was listed when its pages were read on Nov 13, 2026. Simple Calendar Pro is listed for Android.
Does Simple Calendar Pro have a Windows app?
No Windows app was listed when its pages were read on Nov 13, 2026. Simple Calendar Pro is listed for Android.
Is Simple Calendar Pro open source?
Yes. Simple Calendar Pro is open source, according to its own site.
Does Simple Calendar Pro work offline?
Yes, according to its own site. What works without a connection differs by plan and platform, so check the vendor's page for the detail.
What does Simple Calendar Pro integrate with?
Simple Calendar Pro's listing names Google Calendar, Microsoft Outlook, Nextcloud and Exchange.
Who makes Simple Calendar Pro?
Simple Calendar Pro is made by Simple Mobile Tool.
What are the alternatives to Simple Calendar Pro?
The closest alternatives to Simple Calendar Pro in our directory are Fossify Calendar, Etar, aCalendar, Business Calendar 2 and CalenGoo.
How does Simple Calendar Pro compare with other calendar and scheduling apps?
Simple Calendar Pro's GPA of 2.0 is higher than 11 of the 114 other calendar and scheduling apps we grade, and level with 10.
Could I make my own version of Simple Calendar Pro?
A calendar at its plainest is events on a grid. You could make the core of Simple Calendar Pro for yourself: calendar.
Where this guide comes from
The prices, plans, platforms and features were read from Simple Calendar Pro’s own pages on Nov 13, 2026, and the grades were given on Nov 13, 2026. Graded from this listing, whose facts were read from Simple Mobile Tool's own pages on 13 November 2026. Not based on using the product, and shorter than our full reviews. Its Google Play page did not show the price as plain text when we checked, so that figure is the listing's.
Every tool we list gets five grades, A to F, each with its reason, and a GPA that averages them. How each is decided is at toolgpa.com/grades. This guide is ToolGPA’s own work; it is not made, paid for or approved by Simple Mobile Tool. Prices change, so check simplemobiletools.com before you buy.
Part 07 · About
About ToolGPA
Who made this guide, what else is on the site, and how to cite it
7,721
Tools graded, in 95 categories
ToolGPA grades software the way a school report grades a pupil: five subjects, a letter for each with the reason written beside it, and a GPA that averages them. Prices, plans and platforms are read from each maker’s own pages and dated, so you always know how fresh a figure is.
Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. Every tool on the site has a guide like this one, free to download and pass on. It all lives at toolgpa.com.
7,721
tools graded
95
categories
739
price changes on record
579
apps priced in 12 countries
What else is on toolgpa.com
- Simple Calendar Pro, kept up to dateEverything in this guide, with prices and grades as they are todaytoolgpa.com/tools/simple-calendar-pro
- How grades are givenThe rules behind every letter and every GPAtoolgpa.com/grades
- Value chartsWhat each tool costs against what it scores, for every categorytoolgpa.com/charts
- CompareAny two tools side by side, plan by plantoolgpa.com/compare
- Price changesEvery price rise and cut on record, each with its sourcetoolgpa.com/price-changes
- Prices by countryWhat apps cost on the App Store in 12 countriestoolgpa.com/prices-by-country
- Pay lessEvery public discount: yearly billing, students, nonprofitstoolgpa.com/save
- Keep or makeWhich tools are worth paying for, and which you could build yourselftoolgpa.com/keep-or-make
Scan for the live page
Prices and grades as they are today
Quoting this guide?
Please name ToolGPA and link to the live page, so readers can check the figures for themselves:
ToolGPA, "Simple Calendar Pro: The Insider's Guide", checked Nov 13, 2026. https://toolgpa.com/tools/simple-calendar-pro
Know someone choosing between calendar and scheduling apps?
Send them this guide: toolgpa.com/tools/simple-calendar-pro/guide
ToolGPA elsewhere: youtube.com/@toolgpa
See our other guides
The best-graded calendar and scheduling apps after Simple Calendar Pro, each with an Insider's Guide of its own.
- Calendar & Scheduling Insider's GuideEvery one of the 115 calendar and scheduling apps we grade, compared
- Notion Calendar Insider's GuideFree calendar app that connects to Notion databases3.6 GPA
- Google Calendar Insider's GuideOnline calendar from Google, free with a personal account3.4 GPA
- World Time Buddy Insider's GuideVisual time zone converter and world clock for planning calls3.4 GPA
Choosing software? Every tool graded, every price dated.
Compare tools at toolgpa.com ›Everything in this guide is ToolGPA’s own summary of what Simple Calendar Pro’s pages, its app-store listings and public reviews said on the dates shown. Grades are our judgement under the rules at toolgpa.com/grades. Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. Simple Calendar Pro is a trademark of its owner, and this guide is not made, paid for or approved by Simple Mobile Tool. Prices and plans change: check simplemobiletools.com before you buy.