# CardsFlash vs NFC Proof

The clearest difference is in-app purchases: NFC Proof at none against CardsFlash's 3. NFC Proof also leads on update cadence (every 2 weeks vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CardsFlash sells 3 one-off in-app purchases. NFC Proof asks for nothing beyond the download.

CardsFlash ships an update every 5 weeks, NFC Proof every 2 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CardsFlash | NFC Proof |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 1 MB | 3 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Steurer](https://appshunter.io/developer/984557127) | [The NFC Mint LLC](https://appshunter.io/developer/725418088) |

## What reviewers say

### CardsFlash

[App page](https://appshunter.io/ios/app/cardsflash-flashcards-learn/id1591831530)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso | $0.99 | one-time |
| Cappuccino | $2.99 | one-time |
| Single Origin Aeropress | $5.99 | one-time |


### NFC Proof

[App page](https://appshunter.io/ios/app/nfc-proof/id6754207988)

**In-app purchases:** none


## Frequently asked questions

### Is CardsFlash free?

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

### Is NFC Proof free?

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

### Do CardsFlash or NFC Proof have ads?

Neither CardsFlash nor NFC Proof shows ads.

### Which is updated more often, CardsFlash or NFC Proof?

CardsFlash ships an update every 5 weeks, and NFC Proof every 2 weeks. Most recently, CardsFlash was updated on October 14, 2026 and NFC Proof on October 7, 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.*