# Adaptivity (B) vs Kotlin Recipes

The clearest difference is rating: Adaptivity (B) at 5.0 against Kotlin Recipes's 4.5. Adaptivity (B) also leads on in-app purchases (none vs 5) and update cadence (every 2 months vs every 4 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Kotlin Recipes sells 5 one-off in-app purchases. Adaptivity (B) asks for nothing beyond the download.

Adaptivity (B) holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 9 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Adaptivity (B) ships an update every 2 months, Kotlin Recipes every 4 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Adaptivity (B) | Kotlin Recipes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/adaptivity-b/id1054670026/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/kotlin-recipes-code-and-sql/id1459431509/reviews) |
| Number of ratings | **9** | 8 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 7 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Geoff Hackworth](https://appshunter.io/developer/463855590) | [Fedor Obraztsov](https://appshunter.io/developer/1012115119) |

## What reviewers say

### Adaptivity (B)

[App page](https://appshunter.io/ios/app/adaptivity-b/id1054670026)

Visualize how app layouts appear on various devices and adapt to different settings like orientation, multitasking, and text size changes. This free version offers essential tools for developers and designers to preview their work.

**Highlights:** Visualize layout sizes, Display sizes in points or pixels, Toggle status bar visibility, Support for iPad multitasking, Dark appearance support, Force right-to-left layout, Handoff actions

**Features:** Vision Pro support

**In-app purchases:** none


### Kotlin Recipes

[App page](https://appshunter.io/ios/app/kotlin-recipes-code-and-sql/id1459431509)

This app provides runnable Kotlin code examples and SQL queries for developers. It offers a cheat sheet for common syntax needs, covering various language features and database operations. Users can edit and run code directly within the app, with offline access for most features.

**Highlights:** Runnable Kotlin code examples, SQL query examples, Code editor and runner, Offline reference, Searchable code snippets, Kotlin 2.0 changes

**Features:** iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Оperations with example | $0.99 | one-time |
| Unlock the paid topics | $0.99 | one-time |
| Kotlin Samples | $0.99 | one-time |
| SQL queries | $0.99 | one-time |
| Full version | $2.99 | one-time |


## Frequently asked questions

### Is Adaptivity (B) free?

Adaptivity (B) is free to download, with no in-app purchases.

### Is Kotlin Recipes free?

Kotlin Recipes is free to download, with in-app purchases available.

### Which has better reviews, Adaptivity (B) or Kotlin Recipes?

Adaptivity (B) is rated higher. Adaptivity (B) averages 5.0 out of 5 from 9 ratings, while Kotlin Recipes averages 4.5 from 8 ratings.

### Do Adaptivity (B) or Kotlin Recipes have ads?

Neither Adaptivity (B) nor Kotlin Recipes shows ads.

### Which is updated more often, Adaptivity (B) or Kotlin Recipes?

Adaptivity (B) ships an update every 2 months, and Kotlin Recipes every 4 months. Most recently, Adaptivity (B) was updated on October 29, 2026 and Kotlin Recipes on October 30, 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.*