# Sumsy vs JacketJot

The clearest difference is update cadence: Sumsy at every 2 days against JacketJot's every 2 months. Sumsy also leads on ratings volume (13 vs 3). JacketJot's advantage is rating (4.3 vs 4.1) and iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Sumsy sells 2 in-app purchases, starting at $2.99 per month and JacketJot sells 6 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

JacketJot holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 13 and 3 respectively.

Sumsy ships an update every 2 days, JacketJot every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sumsy | JacketJot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (13 ratings)](https://appshunter.io/ios/app/sumsy-book-summary-and-scanner/id6464416310/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/jacketjot/id6754807828/reviews)** |
| Number of ratings | **13** | 3 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 27 MB | 22 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [REMESHY LTD](https://appshunter.io/developer/1519992155) | [Fenton McDuffus](https://appshunter.io/developer/1850192138) |

## What reviewers say

### Sumsy

[App page](https://appshunter.io/ios/app/sumsy-book-summary-and-scanner/id6464416310)

Instantly get book summaries by scanning covers. Offers multi-language support, audio narration, and saves your favorite reads. Perfect for quickly grasping the essence of any book.

**Highlights:** Instant book summaries via cover scan, Multi-language support (7+ languages), Audio narration of summaries, Save favorite books and summaries, Offline access to saved content

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $14.99 | per year |


### JacketJot

[App page](https://appshunter.io/ios/app/jacketjot/id6754807828)

Instantly identify books by scanning their cover or ISBN. Get AI-powered summaries, key takeaways, and create a smart personal library. Offers study tools and multilingual support for enhanced reading comprehension.

**Highlights:** AI-powered summaries, Barcode & ISBN scanning, Smart library organization, Cloud sync, Study tools (citations, essays, quizzes), Multilingual support, Read Aloud

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JacketJot - learning app, exam prep | $7.99 | per month |
| JacketJot - book summary | $9.99 | per month |
| JacketJot - AI reading assistant | $14.99 | per month |
| JacketJot - learning app, exam prep | $59.99 | per year |
| JacketJot - book summary | $74.99 | per year |
| JacketJot - AI Reading assistant | $119.99 | per year |


## Frequently asked questions

### Is Sumsy free?

Sumsy is free to download, with in-app purchases available.

### Is JacketJot free?

JacketJot is free to download, with in-app purchases available.

### Which has better reviews, Sumsy or JacketJot?

JacketJot is rated higher. Sumsy averages 4.1 out of 5 from 13 ratings, while JacketJot averages 4.3 from 3 ratings.

### Do Sumsy or JacketJot have ads?

Neither Sumsy nor JacketJot shows ads.

### Which is updated more often, Sumsy or JacketJot?

Sumsy ships an update every 2 days, and JacketJot every 2 months. Most recently, Sumsy was updated on October 24, 2026 and JacketJot on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*