# Matricks Acro vs Interim

The clearest difference is update cadence: Interim at every 2 weeks against Matricks Acro's every 2 months. Matricks Acro's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Matricks Acro ships an update every 2 months, Interim every 2 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Matricks Acro | Interim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 60 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [iClassPro Inc](https://appshunter.io/developer/1194756576) | [Shiwani Goswami](https://appshunter.io/developer/6797069226) |

## What reviewers say

### Matricks Acro

[App page](https://appshunter.io/ios/app/matricks-acro/id6763638242)

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

**In-app purchases:** none


### Interim

[App page](https://appshunter.io/ios/app/interim-intermittent-fasting/id6797069224)

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

**In-app purchases:** none


## Frequently asked questions

### Is Matricks Acro free?

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

### Is Interim free?

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

### Do Matricks Acro or Interim have ads?

Neither Matricks Acro nor Interim shows ads.

### Which is updated more often, Matricks Acro or Interim?

Matricks Acro ships an update every 2 months, and Interim every 2 weeks. Most recently, Matricks Acro was updated on October 24, 2026 and Interim on October 31, 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.*