# Unique Diamax vs Sim Gems Ltd

Unique Diamax and Sim Gems Ltd are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Unique Diamax ships an update every 11 days, Sim Gems Ltd every 3 weeks. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Unique Diamax | Sim Gems Ltd |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Size | 64 MB | 116 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sarvadhi Solutions](https://appshunter.io/developer/1586247907) | [Sim Gems Ltd](https://appshunter.io/developer/1769331472) |

## What reviewers say

### Unique Diamax

[App page](https://appshunter.io/ios/app/unique-diamax/id1560279795)

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

**In-app purchases:** none


### Sim Gems Ltd

[App page](https://appshunter.io/ios/app/sim-gems-ltd/id6444214920)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unique Diamax free?

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

### Is Sim Gems Ltd free?

Sim Gems Ltd is free to download, with no in-app purchases.

### Do Unique Diamax or Sim Gems Ltd have ads?

Neither Unique Diamax nor Sim Gems Ltd shows ads.

### Which is updated more often, Unique Diamax or Sim Gems Ltd?

Unique Diamax ships an update every 11 days, and Sim Gems Ltd every 3 weeks. Most recently, Unique Diamax was updated on September 9, 2026 and Sim Gems Ltd 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.*