# UDWriterPro vs Deaf Navi

The clearest difference is device support: UDWriterPro at 3 against Deaf Navi's 1. UDWriterPro also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UDWriterPro ships an update every 2 weeks, Deaf Navi fortnightly. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | UDWriterPro | Deaf Navi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free | — |
| Size | 17 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Shamrock Records, Inc.](https://appshunter.io/developer/443431466) | [MASAYOSHI TSUJI](https://appshunter.io/developer/1888467644) |

## What reviewers say

### UDWriterPro

[App page](https://appshunter.io/ios/app/udwriterpro/id1258223639)

This app enables handwritten communication, offering an innovative approach to digital notes and messages. Designed primarily for iPad, it also functions on iPhone, bridging the gap between traditional writing and modern technology.

**Highlights:** Handwritten communication, Hybrid communication tool, Designed for iPad, iPhone compatibility, Innovative handwriting

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

**In-app purchases:** none


### Deaf Navi

[App page](https://appshunter.io/ios/app/deaf-navi/id6761352199)

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

**In-app purchases:** none


## Frequently asked questions

### Is UDWriterPro free?

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

### Is Deaf Navi free?

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

### Do UDWriterPro or Deaf Navi have ads?

Neither UDWriterPro nor Deaf Navi shows ads.

### Which is updated more often, UDWriterPro or Deaf Navi?

UDWriterPro ships an update every 2 weeks, and Deaf Navi fortnightly. Most recently, UDWriterPro was updated on October 17, 2026 and Deaf Navi on October 13, 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.*