# System Design Refresher vs AlgoMaster

The clearest difference is update cadence: AlgoMaster at every 2 days against System Design Refresher's monthly. AlgoMaster also leads on iOS requirement (16.4 vs 26.2). 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.

System Design Refresher ships an update monthly, AlgoMaster every 2 days. The most recent releases landed on September 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | System Design Refresher | AlgoMaster |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Free |
| Size | 18 MB | 71 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Saurabh Sharma](https://appshunter.io/developer/1883599017) | [AlgoMasterIO LLC](https://appshunter.io/developer/6788440907) |

## What reviewers say

### System Design Refresher

[App page](https://appshunter.io/ios/app/system-design-refresher/id6760277935)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is System Design Refresher free?

System Design Refresher is free to download, with no in-app purchases.

### Is AlgoMaster free?

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

### Do System Design Refresher or AlgoMaster have ads?

Neither System Design Refresher nor AlgoMaster shows ads.

### Which is updated more often, System Design Refresher or AlgoMaster?

System Design Refresher ships an update monthly, and AlgoMaster every 2 days. Most recently, System Design Refresher was updated on September 12, 2026 and AlgoMaster on September 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.*