# QT Random Number Generator vs OneLock

The clearest difference is ads: OneLock at none against QT Random Number Generator's shown. OneLock also leads on update cadence (every 4 months vs every 11 months) and iOS requirement (15.5 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

QT Random Number Generator ships an update every 11 months, OneLock every 4 months. The most recent releases landed on September 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | QT Random Number Generator | OneLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/qt-random-number-generator/id6483002122/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 22 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Web Services Utah LLC](https://appshunter.io/developer/1740012772) | [Yushian (Beijing) Technology Co., Ltd.](https://appshunter.io/developer/899034694) |

## What reviewers say

### QT Random Number Generator

[App page](https://appshunter.io/ios/app/qt-random-number-generator/id6483002122)

Generate random numbers quickly and easily for various purposes. This app offers a clean interface and accurate results without requiring an account or internet connection. It's perfect for games, decision-making, or any situation needing a random outcome.

**Highlights:** Generate random numbers, Set maximum value, Clean, modern interface, Quick and accurate results, No account required, Works offline

**In-app purchases:** none


### OneLock

[App page](https://appshunter.io/ios/app/onelock/id6739830100)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QT Random Number Generator free?

QT Random Number Generator is free to download, with no in-app purchases.

### Is OneLock free?

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

### Do QT Random Number Generator or OneLock have ads?

QT Random Number Generator shows ads; OneLock does not.

### Which is updated more often, QT Random Number Generator or OneLock?

QT Random Number Generator ships an update every 11 months, and OneLock every 4 months. Most recently, QT Random Number Generator was updated on September 11, 2026 and OneLock on September 17, 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.*