# OptiUniverse vs RealTime Space

The clearest difference is in-app purchases: OptiUniverse at none against RealTime Space's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RealTime Space sells 1 one-off in-app purchase. OptiUniverse asks for nothing beyond the download.

OptiUniverse ships an update every 10 days, RealTime Space every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | OptiUniverse | RealTime Space |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 421 MB | 65 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Doroshenko](https://appshunter.io/developer/1058512649) | [Nice Dreamz llc](https://appshunter.io/developer/1834116530) |

## What reviewers say

### OptiUniverse

[App page](https://appshunter.io/ios/app/optiuniverse/id6751552499)

**Features:** macOS Compatibility

**In-app purchases:** none


### RealTime Space

[App page](https://appshunter.io/ios/app/realtime-space/id6788646103)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Forever | $0.99 | one-time |


## Frequently asked questions

### Is OptiUniverse free?

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

### Is RealTime Space free?

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

### Do OptiUniverse or RealTime Space have ads?

Neither OptiUniverse nor RealTime Space shows ads.

### Which is updated more often, OptiUniverse or RealTime Space?

OptiUniverse ships an update every 10 days, and RealTime Space every 2 weeks. Most recently, OptiUniverse was updated on October 24, 2026 and RealTime Space on October 24, 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.*