iDotMatrix vs PhotoTag
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iDotMatrix
Design custom images and animations for dot matrix screens. Create GIFs, DIY pictures, and import videos. Set alarms, lighting effects, reminders, and display music rhythms.
- Design dot matrix pictures
- Create GIF animations
- DIY custom images
- Import videos for display
- Set alarms and reminders
- Display music rhythms
- Scoreboard and stopwatch functions
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iDotMatrix is a creative software for designing various pictures and animations for dot matrix screens. In addition to the beautiful pictures and gif animations built into the app, users can also use this software to create gif animations, DIY pictures, DIY dot matrix pictures, and more. Import the video you want to display on the dot matrix screen, set various alarm clocks, lighting effects, set alarm clocks and schedule reminders, and display music rhythms on the screen, which can be used as a scoreboard, stopwatch, and more. iDotMatrix 是一款为点阵屏设计各种图片，动画的创造性软件，app除了内置精美的图片和gif动画外，用户还可以使用该软件随心所欲创造gif动画，DIY图片，DIY点阵图片，还可以导入您想在点阵屏显示的视频，设置各类闹钟、灯光效果，设置闹钟和日程提醒，在屏上展示音乐律动，可以作为记分板、秒表、使用。
PhotoTag
This utility app assists with screen display devices. It offers a supplementary function for managing and interacting with your device's visual output.
- Screen display assistance
- Supplementary device functions
- Utility for visual output management
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PhotoTag connects to the P30 / P31 / P30+ series smart photo tag devices via Bluetooth, helping users with photo editing and display. It also provides users of the PhotoTag Astrology Edition device (P30+) with localized content services such as birth charts, fortune lots, and astrology dice, delivering an integrated hardware-software experience.
Screenshots
Verdict
The clearest difference is rating: PhotoTag at 3.0 against iDotMatrix's 2.8. iDotMatrix's advantage is ratings volume (85 vs 14). On price, review sentiment, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
PhotoTag holds the better App Store score, 3.0 against 2.8. That said, the two scores are not equally well evidenced: iDotMatrix has 85 ratings behind it against 14, so its average is the more settled of the two. Written reviews split almost evenly too, at 34% and 33% positive.
iDotMatrix ships an update every 2 weeks, PhotoTag every 9 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.
| Parameter | iDotMatrix | PhotoTag |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (85 ratings) | 3.0 (14 ratings) — better |
| Positive reviews | 33.6% of reviews — better | 33.3% of reviews |
| Number of ratings | 85 — better | 14 |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 82 MB | 100 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Heaton Technology Co., Ltd. | 金哲 朴 |
Customer experience
iDotMatrix
PhotoTag
Bugs and requests
iDotMatrix
Reported bugs
4 issues- App crashes on startup after updates
- Issues with connecting the device to the app
- Problems with saving and loading custom designs
- Energy saving mode not working as expected
Requested features
5 requests- Add more color options, including darker shades
- Implement a search tool in the content library
- Allow more customization of the clock and time display
- Improve animation import and playback features
- Add support for importing GIFs and videos directly
PhotoTag
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iDotMatrix
No in-app purchases
PhotoTag
No in-app purchases
