# eReadBook vs CNA2026

The clearest difference is update cadence: CNA2026 at every 3 weeks against eReadBook's every 10 months. eReadBook's advantage is iOS requirement (10.0 vs 15.6). 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.

eReadBook ships an update every 10 months, CNA2026 every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | eReadBook | CNA2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Size | 1.5 GB | 47 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Childhood Technology Co.,Ltd](https://appshunter.io/developer/375730659) | [Canadian Nuclear Association](https://appshunter.io/developer/775237894) |

## What reviewers say

### eReadBook

[App page](https://appshunter.io/ios/app/ereadbook/id6443910427)

**Features:** macOS Compatibility

**In-app purchases:** none


### CNA2026

[App page](https://appshunter.io/ios/app/cna2026/id6760858332)

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

**In-app purchases:** none


## Frequently asked questions

### Is eReadBook free?

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

### Is CNA2026 free?

CNA2026 is free to download, with no in-app purchases.

### Do eReadBook or CNA2026 have ads?

Neither eReadBook nor CNA2026 shows ads.

### Which is updated more often, eReadBook or CNA2026?

eReadBook ships an update every 10 months, and CNA2026 every 3 weeks. Most recently, eReadBook was updated on November 3, 2026 and CNA2026 on October 31, 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.*