Libby, the library app vs Sincerely - Off My Chest
Side-by-side comparison on App Store — Updated 2026
| Metric | Libby, the library app | Sincerely - Off My Chest |
|---|---|---|
| Developer | OverDrive, Inc. | MWM |
| Rating | 4.9★ | 4.7★ |
| Reviews | 4.1M | 31.0K |
| Installs | — | — |
| Price | Free | Free |
| In-App Purchases | No | Yes (8 items) |
| Best Rank | #2 | #20 |
| Content Rating | 9+ | 17+ |
| Last Updated | 2026-02-19 | 2026-02-27 |
Libby, the library app vs Sincerely - Off My Chest: Overview
Libby, the library app and Sincerely - Off My Chest are both Book apps available on the App Store. Libby, the library app has a 4.9-star rating from 4.1M reviews, while Sincerely - Off My Chest has 4.7 stars from 31.0K reviews. In terms of rankings, Libby, the library app reaches #2 and Sincerely - Off My Chest reaches #20 in the Book charts. Libby, the library app offers no in-app purchases, while Sincerely - Off My Chest offers 8 in-app purchases.
Frequently Asked Questions
Which is better, Libby, the library app or Sincerely - Off My Chest?
Based on user ratings, Libby, the library app (4.9★) is rated higher than Sincerely - Off My Chest (4.7★). However, the best choice depends on your specific needs.
Is Libby, the library app or Sincerely - Off My Chest more popular?
Libby, the library app has more reviews (4.1M) compared to Sincerely - Off My Chest (31.0K), suggesting it is more widely used.
Are Libby, the library app and Sincerely - Off My Chest free?
Libby, the library app is free. Sincerely - Off My Chest is free with in-app purchases. View IAP prices.
What category are Libby, the library app and Sincerely - Off My Chest in?
Both apps are in the Book category on App Store. See the full Book category report.