# Memory Trace vs Orbital Numbers

The clearest difference is iOS requirement: Memory Trace at 13.0 against Orbital Numbers's 15.6. 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.

## The numbers

| Metric | Memory Trace | Orbital Numbers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 17 MB | 38 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Art Canales](https://appshunter.io/developer/1892981625) | [Nguyet Nguyen Thi Anh](https://appshunter.io/developer/1896620374) |

## What reviewers say

### Memory Trace

[App page](https://appshunter.io/ios/app/memory-trace/id6762116513)

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

**In-app purchases:** none


### Orbital Numbers

[App page](https://appshunter.io/ios/app/orbital-numbers/id6768979446)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Memory Trace free?

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

### Is Orbital Numbers free?

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

### Do Memory Trace or Orbital Numbers have ads?

Neither Memory Trace nor Orbital Numbers shows ads.

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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.*