# Computer Science Calculations vs AffirmCoach

The clearest difference is in-app purchases: AffirmCoach at none against Computer Science Calculations's 3. AffirmCoach also leads on ads (none vs shown) and update cadence (every 5 days vs monthly). Computer Science Calculations's advantage is iOS requirement (15.0 vs 18.6). On price and device support there is nothing between them.

Both are free to download. Computer Science Calculations sells 3 in-app purchases, starting at $0.99 per 3 months. AffirmCoach asks for nothing beyond the download.

Computer Science Calculations ships an update monthly, AffirmCoach every 5 days. The most recent releases landed on October 20, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Computer Science Calculations | AffirmCoach |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free |
| Size | 26 MB | 4 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Yen Heng Chen](https://appshunter.io/developer/1863782898) |

## What reviewers say

### Computer Science Calculations

[App page](https://appshunter.io/ios/app/computer-science-calculations/id1488787780)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $0.99 | per 3 months |
| PRO Version (1 year) | $2.49 | per year |
| PRO Version (Lifetime) | $89.99 | one-time |


### AffirmCoach

[App page](https://appshunter.io/ios/app/affirmcoach/id6756939860)

This communication coach helps you refine drafts into warm, sincere messages. It assists in adjusting tone, personalizing content with profiles, and saving message history locally. The app focuses on helping you express your feelings more clearly without ads or tracking.

**Highlights:** Refine message drafts, Adjust message tone, Personalize with partner profiles, Save message history, Privacy-focused design, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Computer Science Calculations free?

Computer Science Calculations is free to download, with in-app purchases available.

### Is AffirmCoach free?

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

### Do Computer Science Calculations or AffirmCoach have ads?

Computer Science Calculations shows ads; AffirmCoach does not.

### Which is updated more often, Computer Science Calculations or AffirmCoach?

Computer Science Calculations ships an update monthly, and AffirmCoach every 5 days. Most recently, Computer Science Calculations was updated on October 20, 2026 and AffirmCoach on October 2, 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.*