# IDFA Viewer vs bosfastread

The clearest difference is update cadence: bosfastread at every 4 months against IDFA Viewer's every 9 months. On price, ads, 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.

IDFA Viewer ships an update every 9 months, bosfastread every 4 months. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | IDFA Viewer | bosfastread |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Size | 5 MB | 33 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [翠芬 梁](https://appshunter.io/developer/1792659056) | [Bluebirdcorp](https://appshunter.io/developer/1290195462) |

## What reviewers say

### IDFA Viewer

[App page](https://appshunter.io/ios/app/idfa-viewer-device-info-viewer/id6748586602)

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

**In-app purchases:** none


### bosfastread

[App page](https://appshunter.io/ios/app/bosfastread/id6756559620)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDFA Viewer free?

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

### Is bosfastread free?

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

### Do IDFA Viewer or bosfastread have ads?

Neither IDFA Viewer nor bosfastread shows ads.

### Which is updated more often, IDFA Viewer or bosfastread?

IDFA Viewer ships an update every 9 months, and bosfastread every 4 months. Most recently, IDFA Viewer was updated on October 12, 2026 and bosfastread on October 9, 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.*