# Papertrell V2 vs 23 Devs Library

The clearest difference is in-app purchases: 23 Devs Library at none against Papertrell V2's 9. 23 Devs Library also leads on iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Papertrell V2 sells 9 one-off in-app purchases. 23 Devs Library asks for nothing beyond the download.

## The numbers

| Metric | Papertrell V2 | 23 Devs Library |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Size | 92 MB | 29 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trellisys.net](https://appshunter.io/developer/327320942) | [NINA SAVELJEVA](https://appshunter.io/developer/962670684) |

## What reviewers say

### Papertrell V2

[App page](https://appshunter.io/ios/app/papertrell-v2/id6451319528)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack of 1 Credit | $0.99 | one-time |
| Pack of 2 Credits | $1.99 | one-time |
| Pack of 3 Credits | $2.99 | one-time |
| Pack of 4 Credits | $3.99 | one-time |
| Pack of 5 Credits | $4.99 | one-time |
| Pack of 6 Credits | $5.99 | one-time |
| Pack of 7 Credits | $6.99 | one-time |
| Pack of 8 Credits | $7.99 | one-time |
| Pack of 10 Credits | $9.99 | one-time |


### 23 Devs Library

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Papertrell V2 free?

Papertrell V2 is free to download, with in-app purchases available.

### Is 23 Devs Library free?

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

### Do Papertrell V2 or 23 Devs Library have ads?

Neither Papertrell V2 nor 23 Devs Library 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.*