# QFlash vs Control

The clearest difference is in-app purchases: Control at none against QFlash's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. QFlash sells 2 in-app purchases, starting at $4.99 per month. Control asks for nothing beyond the download.

QFlash ships an update every 9 days, Control every 5 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | QFlash | Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 17 MB | 9 MB |
| Requires iOS | **17.6** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Pokai Lee](https://appshunter.io/developer/1826542407) | [Carlos Tarrats](https://appshunter.io/developer/1838355154) |

## What reviewers say

### QFlash

[App page](https://appshunter.io/ios/app/qflash-quick-flashcards/id6751162061)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $34.99 | per year |


### Control

[App page](https://appshunter.io/ios/app/control-llm-interface/id6752229004)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QFlash free?

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

### Is Control free?

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

### Do QFlash or Control have ads?

Neither QFlash nor Control shows ads.

### Which is updated more often, QFlash or Control?

QFlash ships an update every 9 days, and Control every 5 days. Most recently, QFlash was updated on September 10, 2026 and Control on September 10, 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.*