# Zimo One vs Dun

The clearest difference is in-app purchases: Zimo One at none against Dun's 7. Zimo One also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.0). Dun's advantage is update cadence (daily vs monthly). On price and ads there is nothing between them.

Both are free to download. Dun sells 7 in-app purchases, starting at $2.49 per 7 days. Zimo One asks for nothing beyond the download.

Zimo One ships an update monthly, Dun daily. The most recent releases landed on October 30, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Zimo One | Dun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (78 ratings)](https://appshunter.io/ios/app/dun-ai-voice-keyboard/id6792556839/reviews)** |
| Number of ratings | — | **78** |
| Positive reviews | — | 36.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 288 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zimo.one](https://appshunter.io/developer/1604572673) | [Manuel Fessen](https://appshunter.io/developer/1788065349) |

## What reviewers say

### Zimo One

[App page](https://appshunter.io/ios/app/zimo-one/id6476865900)

**Features:** Vision Pro support

**In-app purchases:** none


### Dun

[App page](https://appshunter.io/ios/app/dun-ai-voice-keyboard/id6792556839)

This AI-powered keyboard transforms your spoken words into polished text across various messaging and productivity apps. It offers on-device transcription for enhanced privacy and customizable writing styles for different tones.

**Highlights:** AI-powered voice dictation, On-device speech recognition, Customizable writing styles, Automatic translation, Real keyboard interface, Privacy-focused design

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.49 | per 7 days |
| Pro Monthly | $4.99 | per month |
| Dun Pro Weekly | $4.99 | per 7 days |
| Dun Pro Monthly | $9.99 | per month |
| Pro Yearly | $29.99 | per year |
| Dun Pro Yearly | $59.99 | per year |
| Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Zimo One free?

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

### Is Dun free?

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

### Do Zimo One or Dun have ads?

Neither Zimo One nor Dun shows ads.

### Which is updated more often, Zimo One or Dun?

Zimo One ships an update monthly, and Dun daily. Most recently, Zimo One was updated on October 30, 2026 and Dun on November 1, 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.*