# JS Hearing vs Randomness Generator

The clearest difference is ads: JS Hearing at none against Randomness Generator's shown. Randomness Generator's advantage is update cadence (every 2 days vs every 9 days) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

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

JS Hearing ships an update every 9 days, Randomness Generator every 2 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | JS Hearing | Randomness Generator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 12 MB | 7 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Jusha Display Technology Co., Ltd.](https://appshunter.io/developer/1700633319) | [Owned by Me](https://appshunter.io/developer/1651859785) |

## What reviewers say

### JS Hearing

[App page](https://appshunter.io/ios/app/js-hearing/id6751797755)

**In-app purchases:** none


### Randomness Generator

[App page](https://appshunter.io/ios/app/randomness-generator/id6758778902)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JS Hearing free?

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

### Is Randomness Generator free?

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

### Do JS Hearing or Randomness Generator have ads?

Randomness Generator shows ads; JS Hearing does not.

### Which is updated more often, JS Hearing or Randomness Generator?

JS Hearing ships an update every 9 days, and Randomness Generator every 2 days. Most recently, JS Hearing was updated on November 12, 2026 and Randomness Generator on November 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*