# Soroban vs EchoMuseum

The clearest difference is iOS requirement: EchoMuseum at 17.6 against Soroban's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Soroban ships an update every 2 weeks, EchoMuseum every 3 weeks. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Soroban | EchoMuseum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 17 MB | 6 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Shweta Kumari](https://appshunter.io/developer/1894430929) | [北京竞律网络科技有限公司](https://appshunter.io/developer/1647096676) |

## What reviewers say

### Soroban

[App page](https://appshunter.io/ios/app/soroban-mental-math-abacus/id6762503522)

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

**In-app purchases:** none


### EchoMuseum

[App page](https://appshunter.io/ios/app/echomuseum/id6764727941)

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

**In-app purchases:** none


## Frequently asked questions

### Is Soroban free?

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

### Is EchoMuseum free?

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

### Do Soroban or EchoMuseum have ads?

Neither Soroban nor EchoMuseum shows ads.

### Which is updated more often, Soroban or EchoMuseum?

Soroban ships an update every 2 weeks, and EchoMuseum every 3 weeks. Most recently, Soroban was updated on October 15, 2026 and EchoMuseum on October 13, 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.*