# AlgoMaster vs CS++ CS Foundations

The clearest difference is in-app purchases: AlgoMaster at none against CS++ CS Foundations's 1. AlgoMaster also leads on update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CS++ CS Foundations sells 1 one-off in-app purchase. AlgoMaster asks for nothing beyond the download.

AlgoMaster ships an update every 2 days, CS++ CS Foundations every 2 weeks. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AlgoMaster | CS++ CS Foundations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/algomaster-interview-prep/id6788440905/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 71 MB | 50 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AlgoMasterIO LLC](https://appshunter.io/developer/6788440907) | [Kevin Hare](https://appshunter.io/developer/1343264116) |

## What reviewers say

### AlgoMaster

[App page](https://appshunter.io/ios/app/algomaster-interview-prep/id6788440905)

Prepare for coding and system design interviews with structured learning, visual explanations, and pattern-based practice. Master core computer science concepts and build intuition for technical interviews.

**Highlights:** Curated DSA practice problems, Pattern-based interview preparation, System design lessons, Visual explanations and animations, Progress tracking, Quizzes and revision content

**In-app purchases:** none


### CS++ CS Foundations

[App page](https://appshunter.io/ios/app/cs-plus-plus-cs-foundations/id6794195358)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full CS Foundations | $9.99 | one-time |


## Frequently asked questions

### Is AlgoMaster free?

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

### Is CS++ CS Foundations free?

CS++ CS Foundations is free to download, with in-app purchases available.

### Do AlgoMaster or CS++ CS Foundations have ads?

Neither AlgoMaster nor CS++ CS Foundations shows ads.

### Which is updated more often, AlgoMaster or CS++ CS Foundations?

AlgoMaster ships an update every 2 days, and CS++ CS Foundations every 2 weeks. Most recently, AlgoMaster was updated on October 11, 2026 and CS++ CS Foundations on October 8, 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.*