# UDWriter vs GLookUp

The clearest difference is in-app purchases: GLookUp at none against UDWriter's 2. GLookUp also leads on iOS requirement (10.0 vs 12.0). UDWriter's advantage is update cadence (every 2 months vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. UDWriter sells 2 one-off in-app purchases. GLookUp asks for nothing beyond the download.

UDWriter ships an update every 2 months, GLookUp every 14 months. The most recent releases landed on August 27, 2026 and March 8, 2026 respectively.

## The numbers

| Metric | UDWriter | GLookUp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 19 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shamrock Records, Inc.](https://appshunter.io/developer/443431466) | [Kazunori Watanabe](https://appshunter.io/developer/709465263) |

## What reviewers say

### UDWriter

[App page](https://appshunter.io/ios/app/udwriter/id632058683)

A handwriting memo app designed with Universal Design principles for intuitive use. Offers three color options and a simple swipe gesture to clear the screen. Accessible for all users from the first use.

**Highlights:** Universal Design principles, Handwriting memo functionality, Select 3 colors, Swipe to clear all, Intuitive for all users

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Development Support + Logo on/off option | $2.99 | one-time |
| Input Text by Using Speech Recognition | $4.99 | one-time |


### GLookUp

[App page](https://appshunter.io/ios/app/glookup/id992189796)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UDWriter free?

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

### Is GLookUp free?

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

### Do UDWriter or GLookUp have ads?

Neither UDWriter nor GLookUp shows ads.

### Which is updated more often, UDWriter or GLookUp?

UDWriter ships an update every 2 months, and GLookUp every 14 months. Most recently, UDWriter was updated on August 27, 2026 and GLookUp on March 8, 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.*