# Readle vs CRB

The clearest difference is update cadence: Readle at monthly against CRB's every 4 months. Readle also leads on iOS requirement (8.1 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Readle ships an update monthly, CRB every 4 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Readle | CRB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 5 MB | 18 MB |
| Requires iOS | **8.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NECTEC](https://appshunter.io/developer/440151026) | [SilkCode GmbH](https://appshunter.io/developer/687848362) |

## What reviewers say

### Readle

[App page](https://appshunter.io/ios/app/readle/id830556938)

**Features:** macOS Compatibility

**In-app purchases:** none


### CRB

[App page](https://appshunter.io/ios/app/crb-ebooks/id1625700965)

**In-app purchases:** none


## Frequently asked questions

### Is Readle free?

Readle is free to download, with no in-app purchases.

### Is CRB free?

CRB is free to download, with no in-app purchases.

### Do Readle or CRB have ads?

Neither Readle nor CRB shows ads.

### Which is updated more often, Readle or CRB?

Readle ships an update monthly, and CRB every 4 months. Most recently, Readle was updated on October 13, 2026 and CRB on October 11, 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.*