# NFC Developer App vs GRESCharge

The clearest difference is update cadence: NFC Developer App at every 3 weeks against GRESCharge's every 6 weeks. GRESCharge's advantage is iOS requirement (13.0 vs 15.1). 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.

NFC Developer App ships an update every 3 weeks, GRESCharge every 6 weeks. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | NFC Developer App | GRESCharge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 12 MB | 33 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Arx Research](https://appshunter.io/developer/1706202208) | [Gresgying Digital Technology Co., Ltd.](https://appshunter.io/developer/1723152051) |

## 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


### GRESCharge

[App page](https://appshunter.io/ios/app/grescharge/id6475035718)

**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 GRESCharge free?

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

### Do NFC Developer App or GRESCharge have ads?

Neither NFC Developer App nor GRESCharge shows ads.

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

NFC Developer App ships an update every 3 weeks, and GRESCharge every 6 weeks. Most recently, NFC Developer App was updated on October 5, 2026 and GRESCharge on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*