UDWriter vs GLookUp
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
UDWriter
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.
- Universal Design principles
- Handwriting memo functionality
- Select 3 colors
- Swipe to clear all
- Intuitive for all users
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"We got gold prize in IAUD Award Communication Design Category." This is a application of "hand writing memo" that is based on Universal Design. - Select 3 colors. - Swipe left on the corner, clear all. - For the first time, everyone can use this. URL Scheme is udwriter://
GLookUp
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This app shows area of Grid Locator (aka Grid Square) on the map. App can accept either 4 digit (e.g. JN47) or 6 digit (e.g. JN47RN) Input is not case-sensitive. General grid locator (Grid Square) info is found at, http://www.arrl.org/grid-squares
Screenshots
Verdict
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.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
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.
| Parameter | UDWriter | GLookUp |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 37.5% of reviews | β |
| Update frequency | Every 2 months β better | Every 14 months |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Monetization | Free with in-app purchases | β |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 12.0 | 10.0 β better |
| Further details β not scored | ||
| Size | 10 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Shamrock Records, Inc. | Kazunori Watanabe |
In-app purchases
UDWriter
- Development Support + Logo on/off option$2.99
- Input Text by Using Speech Recognition$4.99
GLookUp
No in-app purchases
Questions
Is UDWriter free?
Is GLookUp free?
Do UDWriter or GLookUp have ads?
Which is updated more often, UDWriter or GLookUp?
Other comparisons
