# TMR Memory Test vs Make Chirps

The clearest difference is update cadence: TMR Memory Test at every 3 weeks against Make Chirps's every 3 months. TMR Memory Test also leads on iOS requirement (12.0 vs 16.0). 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.

TMR Memory Test ships an update every 3 weeks, Make Chirps every 3 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TMR Memory Test | Make Chirps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/make-chirps/id6466780242/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 19 MB | 30 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Backyard Brains](https://appshunter.io/developer/367151203) | [John Keith Riles](https://appshunter.io/developer/1746793092) |

## What reviewers say

### TMR Memory Test

[App page](https://appshunter.io/ios/app/tmr-memory-test/id1467896935)

**Features:** macOS Compatibility

**In-app purchases:** none


### Make Chirps

[App page](https://appshunter.io/ios/app/make-chirps/id6466780242)

Explore the physics of gravitational waves through interactive simulations and visualizations. Understand black hole mergers and their impact on spacetime with dynamic animations and auditory experiences. Learn about LIGO's pioneering work through educational insights.

**Highlights:** Physics simulation of black hole mergers, Waveform plots and spectrogram visualizations, Auditory experience of gravitational waves, Dynamic animations of black hole collisions, Educational insights on LIGO and cosmic phenomena

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TMR Memory Test free?

TMR Memory Test is free to download, with no in-app purchases.

### Is Make Chirps free?

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

### Do TMR Memory Test or Make Chirps have ads?

Neither TMR Memory Test nor Make Chirps shows ads.

### Which is updated more often, TMR Memory Test or Make Chirps?

TMR Memory Test ships an update every 3 weeks, and Make Chirps every 3 months. Most recently, TMR Memory Test was updated on October 26, 2026 and Make Chirps on October 30, 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.*