# OnePersent vs Saves Library

The clearest difference is in-app purchases: OnePersent at none against Saves Library's 1. Saves Library's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. Saves Library sells 1 one-off in-app purchase. OnePersent asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OnePersent | Saves Library |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Size | 2 MB | 61 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YI-LIN HSIEH](https://appshunter.io/developer/6777437011) | [Ho Ming Chan](https://appshunter.io/developer/6774266496) |

## What reviewers say

### OnePersent

[App page](https://appshunter.io/ios/app/onepersent/id6777650577)

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

**In-app purchases:** none


### Saves Library

[App page](https://appshunter.io/ios/app/saves-library-posts-and-links/id6805351203)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解鎖無限收藏 | $2.99 | one-time |


## Frequently asked questions

### Is OnePersent free?

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

### Is Saves Library free?

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

### Do OnePersent or Saves Library have ads?

Neither OnePersent nor Saves Library shows ads.

### Which is updated more often, OnePersent or Saves Library?

OnePersent ships an update every 3 days, and Saves Library every 3 days. Most recently, OnePersent was updated on October 25, 2026 and Saves Library on October 24, 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.*