# TTKEFU vs QR Code

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

Both are free to download. QR Code sells 3 in-app purchases, starting at $9.99 per 7 days. TTKEFU asks for nothing beyond the download.

TTKEFU ships an update every 2 weeks, QR Code monthly. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | TTKEFU | QR Code |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 16 MB | 21 MB |
| Requires iOS | 15.0 | **14.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [振国 孙](https://appshunter.io/developer/1028932685) | [通通 王](https://appshunter.io/developer/1657100906) |

## What reviewers say

### TTKEFU

[App page](https://appshunter.io/ios/app/ttkefu/id1028932686)

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

**In-app purchases:** none


### QR Code

[App page](https://appshunter.io/ios/app/qr-codescan-plus-generate/id6757748863)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code | $9.99 | per 7 days |
| QR Code | $24.99 | per month |
| QR Code | $39.99 | per 3 months |


## Frequently asked questions

### Is TTKEFU free?

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

### Is QR Code free?

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

### Do TTKEFU or QR Code have ads?

Neither TTKEFU nor QR Code shows ads.

### Which is updated more often, TTKEFU or QR Code?

TTKEFU ships an update every 2 weeks, and QR Code monthly. Most recently, TTKEFU was updated on October 15, 2026 and QR Code on October 19, 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.*