# ReadCaddy vs TLDR Books

The clearest difference is update cadence: TLDR Books at daily against ReadCaddy's weekly. TLDR Books also leads on iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ReadCaddy sells 3 in-app purchases, starting at $2.99 per month and TLDR Books sells 1 in-app purchase, starting at $49.99 per year. Whichever you choose, the download price is not the number that matters.

ReadCaddy ships an update weekly, TLDR Books daily. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ReadCaddy | TLDR Books |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Freemium |
| Size | 49 MB | 60 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Oren Lahav](https://appshunter.io/developer/1822632366) | [Alethi Consulting Inc.](https://appshunter.io/developer/1895093658) |

## What reviewers say

### ReadCaddy

[App page](https://appshunter.io/ios/app/readcaddy/id6759986697)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadCaddy AI Text (Monthly) | $2.99 | per month |
| ReadCaddy AI Starter (Monthly) | $4.99 | per month |
| ReadCaddy AI Pro (Monthly) | $9.99 | per month |


### TLDR Books

[App page](https://appshunter.io/ios/app/tldr-books/id6762952067)

Access concise summaries of books in 5 or 10 minutes. Learn faster from key ideas, save books for later, and discover new reads by topic or author. AI-generated content aims to capture central ideas but may contain errors.

**Highlights:** 5 or 10-minute book summaries, Continue reading progress, Personalized home feed, Explore by topic/author, Save books for later, Search titles and authors, Light/dark/sepia themes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is ReadCaddy free?

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

### Is TLDR Books free?

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

### Do ReadCaddy or TLDR Books have ads?

Neither ReadCaddy nor TLDR Books shows ads.

### Which is updated more often, ReadCaddy or TLDR Books?

ReadCaddy ships an update weekly, and TLDR Books daily. Most recently, ReadCaddy was updated on October 7, 2026 and TLDR Books 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.*