# 23 Devs Library vs Leero

The clearest difference is in-app purchases: 23 Devs Library at none against Leero's 5. 23 Devs Library also leads on iOS requirement (12.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Leero sells 5 in-app purchases, starting at $4.99 per month. 23 Devs Library asks for nothing beyond the download.

## The numbers

| Metric | 23 Devs Library | Leero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (10 ratings)](https://appshunter.io/ios/app/leero-book-and-reading-tracker/id6759789674/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 92.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Freemium |
| Size | 29 MB | 122 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [NINA SAVELJEVA](https://appshunter.io/developer/962670684) | [Vladimir Sevastianov](https://appshunter.io/developer/1668034076) |

## What reviewers say

### 23 Devs Library

[App page](https://appshunter.io/ios/app/23-devs-library/id6472991915)

**Features:** macOS Compatibility

**In-app purchases:** none


### Leero

[App page](https://appshunter.io/ios/app/leero-book-and-reading-tracker/id6759789674)

This app helps you log books, track reading sessions, and build a reading journal. Set goals, build streaks, and view stats to stay motivated and remember what you read. Organize your library and enhance your reading habit.

**Highlights:** Log books (want to read, reading, finished), Track reading sessions (pages, time), Set daily reading goals, Build reading streaks, Save notes and quotes, View reading statistics, Add books via search or scan

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Early Adopter | $19.99 | per year |
| Premium | $39.99 | per year |
| Early Adopter Lifetime | $39.99 | one-time |
| Premium Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is 23 Devs Library free?

23 Devs Library is free to download, with no in-app purchases.

### Is Leero free?

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

### Do 23 Devs Library or Leero have ads?

Neither 23 Devs Library nor Leero shows ads.

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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.*