# QR Thing vs PromptLeaf

The clearest difference is in-app purchases: QR Thing at none against PromptLeaf's 1. PromptLeaf's advantage is update cadence (every 3 days vs every 8 days) and iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. PromptLeaf sells 1 one-off in-app purchase. QR Thing asks for nothing beyond the download.

QR Thing ships an update every 8 days, PromptLeaf every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | QR Thing | PromptLeaf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Size | 4 MB | 4 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Lukas Fulling](https://appshunter.io/developer/1702327543) | [献慧 陈](https://appshunter.io/developer/1896370005) |

## What reviewers say

### QR Thing

[App page](https://appshunter.io/ios/app/qr-thing/id6759196505)

**Features:** Vision Pro support

**In-app purchases:** none


### PromptLeaf

[App page](https://appshunter.io/ios/app/promptleaf/id6762447077)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Perpetual interest | $0.99 | one-time |


## Frequently asked questions

### Is QR Thing free?

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

### Is PromptLeaf free?

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

### Do QR Thing or PromptLeaf have ads?

Neither QR Thing nor PromptLeaf shows ads.

### Which is updated more often, QR Thing or PromptLeaf?

QR Thing ships an update every 8 days, and PromptLeaf every 3 days. Most recently, QR Thing was updated on October 25, 2026 and PromptLeaf on October 24, 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.*