# MergeKey vs Summafy AI

The clearest difference is update cadence: MergeKey at every 4 days against Summafy AI's every 2 weeks. Summafy AI's advantage is iOS requirement (14.0 vs 18.0). 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.

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

## The numbers

| Metric | MergeKey | Summafy AI |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 39 MB | 35 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Achziger](https://appshunter.io/developer/1411891455) | [Reno Softwares](https://appshunter.io/developer/1778003915) |

## 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


### Summafy AI

[App page](https://appshunter.io/ios/app/summafy-ai/id6741574785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MergeKey free?

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

### Is Summafy AI free?

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

### Do MergeKey or Summafy AI have ads?

Neither MergeKey nor Summafy AI shows ads.

### Which is updated more often, MergeKey or Summafy AI?

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