Alternatives · Business Phones
Sideline alternatives
As of Nov 13, 2026, the best Sideline alternative for most people is Grasshopper (3.0 GPA), second in our ranking of business phone systems. The best free one is Google Voice (2.4 GPA). The catch, in its listing's words: "Google Voice for personal Gmail accounts, US only."
Sideline compared with 5 alternatives: Line2, Grasshopper, Google Voice, Quo and Textline.
Sideline is a paid product, starting at $14.49 per month as labeled in the App Store (billing period not shown). 1 of the 5 alternatives is free or has a free plan. 3 more offer a free trial.
Listings checked up to Nov 12, 2026 · Where the facts come from
Black Friday: is there a Sideline sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| SidelineThis tool | From $14.49/mo | No | iOS, Android |
| Line2 | From $7.99/mo | No | Web, Windows, iOS, Android |
| Grasshopper | Free trial · from $14/mo | Trial only | macOS, Windows, iOS, Android |
| Google Voice | Free plan · from $10/mo | Yes | Web, iOS, Android |
| Quo | Free trial · from $15/mo | Trial only | Web, macOS, Windows, iOS, Android |
| Textline | Free trial | Trial only | Web, iOS, Android, Browser extension |
Price against what you get
Sideline starts at $14.49 a month and scores 2.0 out of 4 on features, ease of use and platforms. 3 of the 4 alternatives on this chart score higher and start lower: Line2, Grasshopper and Google Voice.
Quo scores higher without starting lower.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from Sideline
Line2
A second US or Canada phone number on your phone, for one flat fee
- Line2 starts at $7.99 per month, billed yearly ($9.99 billed monthly).
- Line2 also lists a web app and a Windows app.
- Line2 also covers transcription.
Suits: Freelancers and sellers who want a separate number for strangers
Grasshopper
Virtual business number on your own phone, priced per account
- Grasshopper starts at $14 per month, billed annually.
- Grasshopper also lists macOS and Windows apps.
- Grasshopper also covers transcription and shared inbox.
Suits: Solo founders who want a business number on their own phone
Google Voice
Google's phone number service for calls and texts on any device
- Google Voice starts at $10 per month for one user; team plans $10 per user / month plus Workspace.
- Google Voice has a free plan, which Sideline lacks.
- Google Voice also lists a web app.
- Google Voice also covers transcription.
Suits: Individuals in the US who want a free second number
Quo
Business phone app for calls and texts on shared team numbers
- Quo starts at $15 per user / month, billed annually ($19 billed monthly).
- Quo also lists a web app and macOS and Windows apps.
- Quo also covers transcription, shared inbox and AI support agent.
Suits: Small businesses that want a second number apart from personal phones
Textline
Business texting platform with a shared team inbox
- Textline also lists a web app and a browser extension.
- Textline also covers shared inbox, surveys and live chat.
- Textline does not cover business phone line, which Sideline does.
Suits: Support and operations teams that answer customers by text
Limits worth knowing in Sideline
- Only iOS and Android apps are listed; the site pages read for this entry show no team or multi-user plan.
- The App Store shows several in-app purchases without a billing period, so the plan names are the only guide to monthly or yearly.
- The vendor's own site states no price; amounts come from the App Store listing for the US.
- A user review on Google Play mentions $9.99 a month, which differs from the App Store figures.
Common questions
What are the alternatives to Sideline?
The alternatives to Sideline in this directory are Line2, Grasshopper, Google Voice, Quo and Textline. Each one has a side-by-side comparison with Sideline.
Is there a free alternative to Sideline?
Yes. Google Voice has a free plan alongside paid ones.
Which Sideline alternatives work on Windows?
The Sideline listing does not include a Windows app. Line2, Grasshopper and Quo list one.
Which Sideline alternatives work on macOS?
The Sideline listing does not include a macOS app. Grasshopper and Quo list one.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 17, 2026 to Nov 12, 2026. Vendors change prices without notice, so confirm on their site before you buy.