wddvApp vs Unit and Value Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
wddvApp
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WiFi Digital Door Viewer. WDDVApp is a Door Viewer as well as Home Security system. A door mounted, battery operated, Wi-Fi Digital Door Viewer supporting, over the cloud, one-way video and two-way (PTT) audio streaming-to and monitored-from iOS applications. With its indoor LCD and emergency activation also provide home security functionality. Created by EXITEC ltd &Maris ltd.
Unit and Value Converter
Easily convert between various measurement systems for everyday tasks. This app offers fast, accurate conversions for speed, weight, and distance, with a history of your calculations. It's a simple, lightweight tool for travelers, students, and anyone needing to understand different units.
- Converts speed, weight, and distance
- Intuitive interface
- History of recent calculations
- Automatic result updates
- Lightweight and simple
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The Unit Converter was designed to make everyday life easier for anyone who needs to work with different measurement systems around the world. Whether traveling, studying, working, or just curious, this app offers a fast and intuitive way to convert units and understand equivalences that may not be part of your daily routine. It provides fast and accurate conversions between speed, weight, and distance, and also keeps a history of recent calculations. Just enter the desired value, choose the source and target units, and tap “=” to view the result. If you change the units after converting, the app updates the result automatically. Simple, lightweight, and hassle-free.
Screenshots
Verdict
The clearest difference is ads: wddvApp at none against Unit and Value Converter's shown. wddvApp also leads on iOS requirement (8.0 vs 12.0). Unit and Value Converter's advantage is update cadence (every 9 days vs every 5 weeks). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
wddvApp ships an update every 5 weeks, Unit and Value Converter every 9 days. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.
| Parameter | wddvApp | Unit and Value Converter |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (24 ratings) — better |
| Number of ratings | — | 24 — better |
| Update frequency | Every 5 weeks | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 7 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Henis Electronic Technology Co., Ltd. | Matheus Estoque |
In-app purchases
wddvApp
No in-app purchases
Unit and Value Converter
No in-app purchases
Questions
Is wddvApp free?
Is Unit and Value Converter free?
Do wddvApp or Unit and Value Converter have ads?
Which is updated more often, wddvApp or Unit and Value Converter?
Other comparisons
