# Vision Viewer vs History Lib

The clearest difference is ads: History Lib at none against Vision Viewer's shown. Vision Viewer's advantage is iOS requirement (13.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Vision Viewer ships an update every 3 weeks, History Lib monthly. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Vision Viewer | History Lib |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 61 MB | 5 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [YOON HO YOUNG](https://appshunter.io/developer/1864792745) | [建谌 潘](https://appshunter.io/developer/1858767683) |

## What reviewers say

### Vision Viewer

[App page](https://appshunter.io/ios/app/vision-viewer/id6757133739)

**Features:** macOS Compatibility

**In-app purchases:** none


### History Lib

[App page](https://appshunter.io/ios/app/history-lib/id6761198319)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vision Viewer free?

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

### Is History Lib free?

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

### Do Vision Viewer or History Lib have ads?

Vision Viewer shows ads; History Lib does not.

### Which is updated more often, Vision Viewer or History Lib?

Vision Viewer ships an update every 3 weeks, and History Lib monthly. Most recently, Vision Viewer was updated on October 17, 2026 and History Lib on October 15, 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.*