# MSPT vs MEMORY Karman Line

The clearest difference is update cadence: MSPT at every 2 months against MEMORY Karman Line's every 26 months. MEMORY Karman Line's advantage is device support (3 vs 1). On price, ads, 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.

MSPT ships an update every 2 months, MEMORY Karman Line every 26 months. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | MSPT | MEMORY Karman Line |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 26 months |
| Size | 509 MB | 104 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Qr8 Health Inc.](https://appshunter.io/developer/1231169399) | [Yellow Riders](https://appshunter.io/developer/1209479274) |

## What reviewers say

### MSPT

[App page](https://appshunter.io/ios/app/mspt/id1543930951)

**In-app purchases:** none


### MEMORY Karman Line

[App page](https://appshunter.io/ios/app/memory-karman-line/id6503296311)

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

**In-app purchases:** none


## Frequently asked questions

### Is MSPT free?

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

### Is MEMORY Karman Line free?

MEMORY Karman Line is free to download, with no in-app purchases.

### Do MSPT or MEMORY Karman Line have ads?

Neither MSPT nor MEMORY Karman Line shows ads.

### Which is updated more often, MSPT or MEMORY Karman Line?

MSPT ships an update every 2 months, and MEMORY Karman Line every 26 months. Most recently, MSPT was updated on October 1, 2026 and MEMORY Karman Line on October 3, 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.*