# uSpectrumX vs Ayuska

The clearest difference is update cadence: Ayuska at every 5 weeks against uSpectrumX's every 3 months. uSpectrumX's advantage is iOS requirement (9.0 vs 11.0). On price, ads, 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.

uSpectrumX ships an update every 3 months, Ayuska every 5 weeks. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | uSpectrumX | Ayuska |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 25 MB | 23 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [United Power Research Technology Corporation](https://appshunter.io/developer/1501316337) | [AVADH UNIVERSAL LIMITED](https://appshunter.io/developer/1833521241) |

## What reviewers say

### uSpectrumX

[App page](https://appshunter.io/ios/app/uspectrumx/id1318581445)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ayuska

[App page](https://appshunter.io/ios/app/ayuska/id6465859809)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is uSpectrumX free?

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

### Is Ayuska free?

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

### Do uSpectrumX or Ayuska have ads?

Neither uSpectrumX nor Ayuska shows ads.

### Which is updated more often, uSpectrumX or Ayuska?

uSpectrumX ships an update every 3 months, and Ayuska every 5 weeks. Most recently, uSpectrumX was updated on September 16, 2026 and Ayuska on September 9, 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.*