# Audiary vs Sumi Book

The clearest difference is update cadence: Sumi Book at every 5 days against Audiary's fortnightly. Sumi Book also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Audiary sells 1 one-off in-app purchase and Sumi Book sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Audiary ships an update fortnightly, Sumi Book every 5 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Audiary | Sumi Book |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 86 MB | 53 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mathieu Collet](https://appshunter.io/developer/1865267338) | [Oktay Demir](https://appshunter.io/developer/6777725671) |

## What reviewers say

### Audiary

[App page](https://appshunter.io/ios/app/audiary/id6757362410)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audiary Premium | $5.99 | one-time |


### Sumi Book

[App page](https://appshunter.io/ios/app/sumi-book/id6777730252)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Fine Press — Monthly | $3.99 | per month |
| The Fine Press — Annual | $24.99 | per year |
| The Fine Press — Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Audiary free?

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

### Is Sumi Book free?

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

### Do Audiary or Sumi Book have ads?

Neither Audiary nor Sumi Book shows ads.

### Which is updated more often, Audiary or Sumi Book?

Audiary ships an update fortnightly, and Sumi Book every 5 days. Most recently, Audiary was updated on November 9, 2026 and Sumi Book on November 5, 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.*