# NFC Developer App vs IDFA Reader

The clearest difference is ads: NFC Developer App at none against IDFA Reader's shown. NFC Developer App also leads on update cadence (every 3 weeks vs every 21 months). IDFA Reader's advantage is iOS requirement (11.0 vs 15.1). 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.

NFC Developer App ships an update every 3 weeks, IDFA Reader every 21 months. The most recent releases landed on October 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | NFC Developer App | IDFA Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 21 months |
| Size | 12 MB | 23 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Arx Research](https://appshunter.io/developer/1706202208) | [矾建 孔](https://appshunter.io/developer/1481446695) |

## What reviewers say

### NFC Developer App

[App page](https://appshunter.io/ios/app/nfc-developer-app/id1603654326)

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

**In-app purchases:** none


### IDFA Reader

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

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

**In-app purchases:** none


## Frequently asked questions

### Is NFC Developer App free?

NFC Developer App is free to download, with no in-app purchases.

### Is IDFA Reader free?

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

### Do NFC Developer App or IDFA Reader have ads?

IDFA Reader shows ads; NFC Developer App does not.

### Which is updated more often, NFC Developer App or IDFA Reader?

NFC Developer App ships an update every 3 weeks, and IDFA Reader every 21 months. Most recently, NFC Developer App was updated on October 5, 2026 and IDFA Reader on September 23, 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.*