# ACM interactions vs Almanac

The clearest difference is update cadence: Almanac at every 4 days against ACM interactions's every 14 months. ACM interactions's advantage is iOS requirement (10.2 vs 18.0). 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.

ACM interactions ships an update every 14 months, Almanac every 4 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ACM interactions | Almanac |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 days** |
| Size | 21 MB | 45 MB |
| Requires iOS | **10.2** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Association for Computing Machinery](https://appshunter.io/developer/405041865) | [danyal sarfraz](https://appshunter.io/developer/1854018591) |

## What reviewers say

### ACM interactions

[App page](https://appshunter.io/ios/app/acm-interactions/id615463454)

**Features:** macOS Compatibility

**In-app purchases:** none


### Almanac

[App page](https://appshunter.io/ios/app/almanac-ancient-cycles/id6819094751)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ACM interactions free?

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

### Is Almanac free?

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

### Do ACM interactions or Almanac have ads?

Neither ACM interactions nor Almanac shows ads.

### Which is updated more often, ACM interactions or Almanac?

ACM interactions ships an update every 14 months, and Almanac every 4 days. Most recently, ACM interactions was updated on October 26, 2026 and Almanac on October 24, 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.*