UDWriter vs voice
Price, ratings, monetisation and update history for both apps, side by side — 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
Read full descriptionHide full description
"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://
voice
This app allows users to communicate through text when speaking is difficult, such as when wearing a mask. It offers customizable cards with illustrations and text for various situations, and can even track CO2 contributions.
- Customizable text cards
- Situation-specific illustrations
- CO2 contribution tracking
- Multiple list management
- Photo integration for cards
- Neumorphism design
Read full descriptionHide full description
Voice is an application designed to "communicate" when speaking is difficult. It is designed to be used not only by the hearing impaired, but by anyone. Please try various ways to use it. 【Possible usage situations】 ◉ When you feel that you cannot communicate with the mask ◉ When you need to tell to a Shop staff or not you need chopsticks or a plastic bag. ◉ When telling the how many people will be to restaurant ◉ When you want to use written communication ◉ When you tell to pay by cash, card, or code pay ◉ When asking if drinks are available. ◉ When you want to give the number of a product you want. ◉ And You can also use it as a to-do list. 【Voice features】 ◉ One tap the you want to talk, tell! ◉ Switch cards from ON ⇄ OFF ◉ Press SET button to view only the selected cards, so you can instantly change whether you want them or not ◉ If not used or not received it, will be automatically counted the CO2 and graphed ◉ Can share your own CO2 contribution! ◉ Many illustrations for various situations ◉ There are three lists, and you can switch between them instantly ◉ You can add, change, or delete lists at will ◉ The order of the cards can be changed freely ◉ You can also add a photo in the card to create an original card ◉ The card can be rotated 180 degrees to show it to the recipient ◉ The text of the thank you message can be freely set ◉ Beautiful Neumorphism design ◉ Compatible with iPhone and iPad! ■■ Paid version ■■ ▲The paid version has no ads▲ ●Restore Your Purchases You can restore your purchases when you changed your iOS devices or reinstalled the app from [Restore Purchases] in the Settings -> Upgrade. Please note that you need to login to your iTunes settings in the iOS -> iTunes with the same Apple ID you used before. ●Manage or Cancel Go to Settings > [your name] > iTunes & App Store. Tap your Apple ID at the top of the screen. Tap View Apple ID. You might need to sign in or use Touch ID. https://support.apple.com/en-us/HT202039 ●Payment will be charged to your Apple ID account at the confirmation of purchase. ●The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. ●Your account will be charged for renewal within 24 hours prior to the end of the current period. ●You can manage and cancel your subscriptions by going to your App Store account settings after purchase. ●You will not be able to cancel the subscription once activated. ●Privacy Policy and Term of Use https://www.satomic.net/home/voice/terms-conditions We have also created a pattern-themed calculator called Patterns Calc, so you can choose the one you like best. More info ◉ satomic apps web site https://satomic.net ◉ satomic twitter https://twitter.com/HikaruSatomi1
Screenshots
Verdict
The clearest difference is review sentiment: voice at 100% against UDWriter's 38%. UDWriter's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. UDWriter sells 2 one-off in-app purchases and voice sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
UDWriter ships an update every 2 months, voice every 4 months. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.
| Parameter | UDWriter | voice |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 37.5% of reviews | 100.0% of reviews — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 10 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Shamrock Records, Inc. | Hikaru Satomi |
Customer experience
UDWriter
voice
In-app purchases
UDWriter
- Development Support + Logo on/off option$2.99
- Input Text by Using Speech Recognition$4.99
voice
- Premium Plan$0.991 Month
- Premium Plan$6.991 Year








