# Echo vs Category Cards

The clearest difference is update cadence: Category Cards at every 2 days against Echo's every 10 days. Category Cards also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Echo against 5.0 for Category Cards. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Echo ships an update every 10 days, Category Cards every 2 days. The most recent releases landed on September 11, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Echo | Category Cards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/echo-rhythm-memory-puzzles/id6477832538/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/category-cards/id6759043135/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 126 MB | 202 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Idan Yehuda Schechter](https://appshunter.io/developer/1730752185) | [Fat Cat With a Hat](https://appshunter.io/developer/1847966967) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-rhythm-memory-puzzles/id6477832538)

A tactile rhythm game that combines sound, timing, and instinct. Listen to patterns, match sounds, and sharpen your rhythm skills through thousands of handcrafted levels. Progress by earning coins and mastering complex patterns in this engaging and responsive experience.

**Highlights:** Tactile rhythm gameplay, Thousands of handcrafted levels, Focus on sound and timing, Offline play supported, No login required, Haptic feedback emphasis

**In-app purchases:** none


### Category Cards

[App page](https://appshunter.io/ios/app/category-cards/id6759043135)

A relaxing card puzzle game where players match image and word cards to their correct categories. Stack cards, clear the board, and use the 'Deal' option to draw new cards when stuck. Enjoy colorful visuals and simple yet challenging gameplay.

**Highlights:** Match image and word cards, Sort items into categories, Stack cards correctly, Clear the board to progress, Draw new cards with 'Deal', Colorful visuals, Brain training

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Echo free?

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

### Is Category Cards free?

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

### Which has better reviews, Echo or Category Cards?

Echo and Category Cards are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Echo or Category Cards have ads?

Both Echo and Category Cards show ads.

### Which is updated more often, Echo or Category Cards?

Echo ships an update every 10 days, and Category Cards every 2 days. Most recently, Echo was updated on September 11, 2026 and Category Cards on June 3, 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.*