# MergeKey vs Adayda

The clearest difference is in-app purchases: MergeKey at none against Adayda's 8. MergeKey also leads on update cadence (every 4 days vs every 2 weeks). Adayda's advantage is iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Adayda sells 8 in-app purchases, starting at $4.99 per 7 days. MergeKey asks for nothing beyond the download.

MergeKey ships an update every 4 days, Adayda every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MergeKey | Adayda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mergekey/id6478465716/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 39 MB | 44 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Achziger](https://appshunter.io/developer/1411891455) | [Ayda M Akgoz](https://appshunter.io/developer/1814369376) |

## What reviewers say

### MergeKey

[App page](https://appshunter.io/ios/app/mergekey/id6478465716)

This keyboard dynamically adjusts key sizes and visibility as you type, offering larger tap targets and fewer errors. It supports 20 languages and includes customizable styles and privacy-focused features.

**Highlights:** Dynamic key resizing, Hides impossible keys, Supports 20 languages, Customizable styles, Privacy-focused, Typing game

**In-app purchases:** none


### Adayda

[App page](https://appshunter.io/ios/app/adayda-ai-screen-insights/id6745894007)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Adayda Plus Weekly | $4.99 | per 7 days |
| Adayda Plus Monthly | $14.99 | per month |
| Adayda Plus Quarterly | $34.99 | per 3 months |
| Adayda Premium Weekly | $34.99 | per 7 days |
| Adayda Premium Monthly | $99.99 | per month |
| Adayda Plus Yearly | $119.99 | per year |
| Adayda Premium Quarterly | $239.99 | per 3 months |
| Adayda Premium Yearly | $699.99 | per year |


## Frequently asked questions

### Is MergeKey free?

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

### Is Adayda free?

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

### Do MergeKey or Adayda have ads?

Neither MergeKey nor Adayda shows ads.

### Which is updated more often, MergeKey or Adayda?

MergeKey ships an update every 4 days, and Adayda every 2 weeks. Most recently, MergeKey was updated on October 24, 2026 and Adayda on October 28, 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.*