# Computer Science Calculations vs AHM Directory

The clearest difference is in-app purchases: AHM Directory at none against Computer Science Calculations's 3. AHM Directory also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. AHM Directory asks for nothing beyond the download.

Computer Science Calculations ships an update monthly, AHM Directory every 4 weeks. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Computer Science Calculations | AHM Directory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ahm-directory/id1498397249/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | — | Free |
| Size | 26 MB | 16 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Asociacion Hondurena de Maquiladores (Apps)](https://appshunter.io/developer/1494010748) |

## 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 |


### AHM Directory

[App page](https://appshunter.io/ios/app/ahm-directory/id1498397249)

Access a comprehensive directory of affiliated manufacturing companies and service providers. Easily search for contacts, stay updated with a news feed, and connect via social media links.

**Highlights:** Company directory, Searchable database, News feed, Social media links, Contact information

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

**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 AHM Directory free?

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

### Do Computer Science Calculations or AHM Directory have ads?

Computer Science Calculations shows ads; AHM Directory does not.

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

Computer Science Calculations ships an update monthly, and AHM Directory every 4 weeks. Most recently, Computer Science Calculations was updated on October 11, 2026 and AHM Directory on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*