This app helps reduce back pain and strengthen back muscles through short, guided exercises. It uses a posture sensor that vibrates to remind users to maintain proper posture.






23+ iOS apps curated and reviewed
The best iback apps on iPhone average 3.3★ across 23+ titles — we've ranked them by what real users actually keep on their phones. Updated April 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | ||
| 2 | Free | 4.5★ (181) | No | Yes | Sep 2026 | ||
| 3 | Free | 1.3★ (9) | No | No | May 2026 | ||
| 4 | Free | 4.4★ (18K) | No | Yes | Sep 2026 | ||
| 5 | Free | 3.0★ (2) | No | No | Jul 2026 | ||
| 6 | Free | 3.0★ (2) | No | No | May 2026 | ||
| 7 | Free | 3.0★ (1) | No | No | May 2026 | ||
| 8 | Free | 5.0★ (3) | Yes | No | Jun 2026 |






This app helps reduce back pain and strengthen back muscles through short, guided exercises. It uses a posture sensor that vibrates to remind users to maintain proper posture.





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