# PostExo vs Bookinou

The clearest difference is in-app purchases: PostExo at none against Bookinou's 14. PostExo also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, update cadence and ads there is nothing between them.

Both are free to download. Bookinou sells 14 one-off in-app purchases. PostExo asks for nothing beyond the download.

PostExo ships an update every 3 weeks, Bookinou monthly. The most recent releases landed on December 30, 2025 and October 22, 2026 respectively.

## The numbers

| Metric | PostExo | Bookinou |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/bookinou/id1459349012/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 69.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 47 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PostExo](https://appshunter.io/developer/1538146516) | [PIMELY](https://appshunter.io/developer/1529891841) |

## What reviewers say

### PostExo

[App page](https://appshunter.io/ios/app/postexo/id1457164471)

**Features:** Apple Wallet

**In-app purchases:** none


### Bookinou

[App page](https://appshunter.io/ios/app/bookinou/id1459349012)

This app allows families to record personalized audio stories for children, which can then be played on a connected screenless audio device. It encourages reading by linking audio narratives to physical books and offers fun sound effects.

**Highlights:** Record custom audio stories, Link audio to physical books, Add sound effects, Create unlimited audio library, Family accounts for remote recording, Page-turn sound cues

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Histoire à 0,99 euro | $0.99 | one-time |
| Histoire à 1,19 euro | $0.99 | one-time |
| Histoire à 1,99 euros | $1.99 | one-time |
| Histoire à 2,49 euros | $1.99 | one-time |
| Pack of 8 coins | $2.00 | one-time |
| Histoire à 2,99 euros | $2.99 | one-time |
| Histoire à 3,49 euros | $2.99 | one-time |
| Histoire à 3,99 euros | $3.99 | one-time |
| Histoire à 4,99 euros | $3.99 | one-time |
| Pack of 20 coins | $4.00 | one-time |
| Histoire à 6,99 euros | $5.99 | one-time |
| Histoire à 7,99 euros | $6.99 | one-time |
| Pack of 80 coins | $18.00 | one-time |
| Pack of 200 coins | $45.00 | one-time |


## Frequently asked questions

### Is PostExo free?

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

### Is Bookinou free?

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

### Do PostExo or Bookinou have ads?

Neither PostExo nor Bookinou shows ads.

### Which is updated more often, PostExo or Bookinou?

PostExo ships an update every 3 weeks, and Bookinou monthly. Most recently, PostExo was updated on December 30, 2025 and Bookinou on October 22, 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.*