Sincerely - Off My Chest vs ChatGPT
Side-by-side comparison on App Store — Updated 2026
| Metric | Sincerely - Off My Chest | ChatGPT |
|---|---|---|
| Developer | MWM | OpenAI OpCo, LLC |
| Rating | 4.7★ | 4.8★ |
| Reviews | 31.0K | 6.1M |
| Installs | — | — |
| Price | Free | Free |
| In-App Purchases | Yes (8 items) | Yes (5 items) |
| Best Rank | #20 | #1 |
| Content Rating | 17+ | 12+ |
| Last Updated | 2026-02-27 | 2026-03-10 |
Sincerely - Off My Chest vs ChatGPT: Overview
Sincerely - Off My Chest and ChatGPT are both BOOKS apps available on the App Store. Sincerely - Off My Chest has a 4.7-star rating from 31.0K reviews, while ChatGPT has 4.8 stars from 6.1M reviews. In terms of rankings, Sincerely - Off My Chest reaches #20 and ChatGPT reaches #1 in the BOOKS charts. Sincerely - Off My Chest offers 8 in-app purchases, while ChatGPT offers 5 in-app purchases.
Frequently Asked Questions
Which is better, Sincerely - Off My Chest or ChatGPT?
Based on user ratings, ChatGPT (4.8★) is rated higher than Sincerely - Off My Chest (4.7★). However, the best choice depends on your specific needs.
Is Sincerely - Off My Chest or ChatGPT more popular?
ChatGPT has more reviews (6.1M) compared to Sincerely - Off My Chest (31.0K), suggesting it is more widely used.
Are Sincerely - Off My Chest and ChatGPT free?
Sincerely - Off My Chest is free with in-app purchases. ChatGPT is free with in-app purchases. View IAP prices.
What category are Sincerely - Off My Chest and ChatGPT in?
Both apps are in the BOOKS category on App Store. See the full BOOKS category report.