# IDFA Reader vs OneSignal Parking

The clearest difference is ads: OneSignal Parking at none against IDFA Reader's shown. OneSignal Parking also leads on update cadence (every 4 weeks vs every 21 months). IDFA Reader's advantage is iOS requirement (11.0 vs 13.0). On price, 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 Reader ships an update every 21 months, OneSignal Parking every 4 weeks. The most recent releases landed on September 8, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | IDFA Reader | OneSignal Parking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 21 months | **Every 4 weeks** |
| Size | 23 MB | 27 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [矾建 孔](https://appshunter.io/developer/1481446695) | [STRV s.r.o.](https://appshunter.io/developer/330549300) |

## What reviewers say

### IDFA Reader

[App page](https://appshunter.io/ios/app/idfa-reader/id1607539208)

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

**In-app purchases:** none


### OneSignal Parking

[App page](https://appshunter.io/ios/app/onesignal-parking/id6504570544)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDFA Reader free?

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

### Is OneSignal Parking free?

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

### Do IDFA Reader or OneSignal Parking have ads?

IDFA Reader shows ads; OneSignal Parking does not.

### Which is updated more often, IDFA Reader or OneSignal Parking?

IDFA Reader ships an update every 21 months, and OneSignal Parking every 4 weeks. Most recently, IDFA Reader was updated on September 8, 2026 and OneSignal Parking on August 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.*