# Serafim Audio vs Keysemble

The clearest difference is update cadence: Keysemble at weekly against Serafim Audio's every 3 months. Serafim Audio's advantage is iOS requirement (13.0 vs 18.6). 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.

Serafim Audio ships an update every 3 months, Keysemble weekly. The most recent releases landed on May 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Serafim Audio | Keysemble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/keysemble/id6740478334/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 18 MB | 6 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Serafim Technologies Inc.](https://appshunter.io/developer/847342450) | [JINSU GU](https://appshunter.io/developer/1713378081) |

## What reviewers say

### Serafim Audio

[App page](https://appshunter.io/ios/app/serafim-audio/id1604538713)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keysemble

[App page](https://appshunter.io/ios/app/keysemble/id6740478334)

Create and customize your own mobile keyboard layout and appearance. Choose from default themes or design your unique keyboard with extensive editing options for colors, height, and key actions. Easily switch to your personalized keyboard after setup.

**Highlights:** Custom keyboard layout creation, Detailed editing options, Theme customization (color, height, keys), Variety of default keyboard layouts, Easy switching to custom keyboards, Help guide within the app

**In-app purchases:** none


## Frequently asked questions

### Is Serafim Audio free?

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

### Is Keysemble free?

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

### Do Serafim Audio or Keysemble have ads?

Neither Serafim Audio nor Keysemble shows ads.

### Which is updated more often, Serafim Audio or Keysemble?

Serafim Audio ships an update every 3 months, and Keysemble weekly. Most recently, Serafim Audio was updated on May 16, 2026 and Keysemble on September 14, 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.*