# NFC vs Twinkle Clock

The clearest difference is price: Twinkle Clock at Free against NFC's $99.99. Twinkle Clock also leads on ads (none vs shown) and update cadence (fortnightly vs every 11 months). NFC's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0).

Twinkle Clock is free to download; NFC costs $99.99 up front. Twinkle Clock sells 1 one-off in-app purchase. NFC asks for nothing beyond the download.

NFC ships an update every 11 months, Twinkle Clock fortnightly. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | NFC | Twinkle Clock |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Fortnightly** |
| Size | 39 MB | 23 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [宗仁 李](https://appshunter.io/developer/924915319) | [Hiroyasu Hirai](https://appshunter.io/developer/455568461) |

## What reviewers say

### NFC

[App page](https://appshunter.io/ios/app/nfc-next-fuel-check/id6446984604)

**Features:** macOS Compatibility

**In-app purchases:** none


### Twinkle Clock

[App page](https://appshunter.io/ios/app/twinkle-clock/id6467501688)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Twinkle Clock Pro | $24.99 | one-time |


## Frequently asked questions

### Is NFC free?

NFC costs $99.99, with no in-app purchases.

### Is Twinkle Clock free?

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

### Do NFC or Twinkle Clock have ads?

NFC shows ads; Twinkle Clock does not.

### Which is updated more often, NFC or Twinkle Clock?

NFC ships an update every 11 months, and Twinkle Clock fortnightly. Most recently, NFC was updated on October 12, 2026 and Twinkle Clock on October 8, 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.*