# WatchGas NFC Bottle vs NFC Expert+

The clearest difference is in-app purchases: WatchGas NFC Bottle at none against NFC Expert+'s 1. WatchGas NFC Bottle also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. NFC Expert+ sells 1 one-off in-app purchase. WatchGas NFC Bottle asks for nothing beyond the download.

WatchGas NFC Bottle ships an update every 2 months, NFC Expert+ every 6 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | WatchGas NFC Bottle | NFC Expert+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 17 MB | 17 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [WatchGas](https://appshunter.io/developer/1736959878) | [Webisso LLC](https://appshunter.io/developer/1840724828) |

## What reviewers say

### WatchGas NFC Bottle

[App page](https://appshunter.io/ios/app/watchgas-nfc-bottle/id6737022423)

**In-app purchases:** none


### NFC Expert+

[App page](https://appshunter.io/ios/app/nfc-expert-plus/id6761196721)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NFC Expert+ Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is WatchGas NFC Bottle free?

WatchGas NFC Bottle is free to download, with no in-app purchases.

### Is NFC Expert+ free?

NFC Expert+ is free to download, with in-app purchases available.

### Do WatchGas NFC Bottle or NFC Expert+ have ads?

Neither WatchGas NFC Bottle nor NFC Expert+ shows ads.

### Which is updated more often, WatchGas NFC Bottle or NFC Expert+?

WatchGas NFC Bottle ships an update every 2 months, and NFC Expert+ every 6 months. Most recently, WatchGas NFC Bottle was updated on November 4, 2026 and NFC Expert+ on October 31, 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.*