# IDFA Viewer vs Explainrr

The clearest difference is in-app purchases: IDFA Viewer at none against Explainrr's 2. IDFA Viewer also leads on iOS requirement (18.0 vs 26.1). Explainrr's advantage is update cadence (every 3 days vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. Explainrr sells 2 in-app purchases, starting at $4.99 per month. IDFA Viewer asks for nothing beyond the download.

IDFA Viewer ships an update every 10 months, Explainrr every 3 days. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | IDFA Viewer | Explainrr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 days** |
| Size | 5 MB | 6 MB |
| Requires iOS | **18.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jesus Alfredo Hernandez Alarcon](https://appshunter.io/developer/1575157355) | [Wellness AI LLC](https://appshunter.io/developer/1895620904) |

## What reviewers say

### IDFA Viewer

[App page](https://appshunter.io/ios/app/idfa-viewer/id6751819289)

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

**In-app purchases:** none


### Explainrr

[App page](https://appshunter.io/ios/app/explainrr/id6775562296)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Explainrr Monthly | $4.99 | per month |
| Explainr Annual | $29.99 | per year |


## Frequently asked questions

### Is IDFA Viewer free?

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

### Is Explainrr free?

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

### Do IDFA Viewer or Explainrr have ads?

Neither IDFA Viewer nor Explainrr shows ads.

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

IDFA Viewer ships an update every 10 months, and Explainrr every 3 days. Most recently, IDFA Viewer was updated on October 30, 2026 and Explainrr on October 26, 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.*