# Mission Monument vs Space Time Layering

The clearest difference is price: Mission Monument at Free against Space Time Layering's $9.99. Mission Monument also leads on update cadence (daily vs every 4 days). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Mission Monument is free to download; Space Time Layering costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mission Monument ships an update daily, Space Time Layering every 4 days. The most recent releases landed on November 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Mission Monument | Space Time Layering |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 179 MB | 142 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kollektiv17](https://appshunter.io/developer/1530165371) | [Frank Groh](https://appshunter.io/developer/558291960) |

## What reviewers say

### Mission Monument

[App page](https://appshunter.io/ios/app/mission-monument/id1601677059)

**In-app purchases:** none


### Space Time Layering

[App page](https://appshunter.io/ios/app/space-time-layering/id6618141598)

**In-app purchases:** none


## Frequently asked questions

### Is Mission Monument free?

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

### Is Space Time Layering free?

Space Time Layering costs $9.99, with no in-app purchases.

### Do Mission Monument or Space Time Layering have ads?

Neither Mission Monument nor Space Time Layering shows ads.

### Which is updated more often, Mission Monument or Space Time Layering?

Mission Monument ships an update daily, and Space Time Layering every 4 days. Most recently, Mission Monument was updated on November 7, 2026 and Space Time Layering on October 15, 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.*