SimpleSign vs Viidure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimpleSign
This app displays large characters and words full screen with customizable fonts and colors. It supports sliding animations for long sentences, making it useful for various situations like displaying quiz answers or messages from a distance.
- Full-screen character and word display
- Customizable font types and colors
- Sliding animation for long sentences
- Useful for quizzes and distant communication
- Acts as a digital signboard substitute
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Display full size characters and words in the full screen. Long sentence can slide through screen with animation. - Showing score or answer of quiz in party - Contact to the person that stands far from you - Substitution of signboard etc. It is useful in many situation. [Functional Description] - Appears one character on screen from 45 different characters. - Changing color of character and background. - Changing font type. - Long sentence can be displayed by one line or paragraph with sliding animation on/off.
Viidure
Connect to your driving or sports camera via WiFi to access and process captured photos and videos. This client software supports various hardware solutions for forensic, sharing, and other needs.
- Connect to cameras via WiFi
- Access photos and videos
- Process captured media
- Supports multiple hardware solutions
- Forensic and sharing use cases
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Viidure is a client software for driving recorders, sports cameras and other devices that support multiple hardware solutions. It allows users to obtain pictures and video resources taken by the device through the device’s WiFi network, and perform certain processing to meet the user’s resource requirements. Use scenarios, such as forensics, sharing, etc.
Screenshots
Verdict
The clearest difference is review sentiment: SimpleSign at 100% against Viidure's 26%. SimpleSign also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 6). Viidure's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 9 months). On price and device support 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. Viidure sells 6 one-off in-app purchases. SimpleSign asks for nothing beyond the download.
SimpleSign holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Viidure has 14K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of SimpleSign's written reviews are positive against 26% of Viidure's.
SimpleSign ships an update every 9 months, Viidure every 5 weeks. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.
| Parameter | SimpleSign | Viidure |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.4 (14K ratings) |
| Positive reviews | 100.0% of reviews — better | 25.6% of reviews |
| Number of ratings | 4 | 14K — better |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Freemium |
| Best chart rank | — | #86 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 240 MB |
| Age rating | 4+ | 4+ |
| Developer | idota limited | Shenzhen Xiaozhen Technology Co.,Ltd. |
Customer experience
SimpleSign
Viidure
Bugs and requests
SimpleSign
Not enough reviews yet to summarise bugs or requests.
Viidure
Reported bugs
3 issues- Camera not recognized by app
- Videos not saving properly
- App freezes and becomes unresponsive
Requested features
4 requests- Add option to view rear camera
- Improve video download speeds
- Allow deletion of individual videos
- Provide instructions in multiple languages
In-app purchases
SimpleSign
No in-app purchases
Viidure
- 1 year$7.90
- 1 Year$9.90
- 2 years$12.90
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- 2 Years$15.90
- Permanent$27.90
- Perpetual$34.90
