Ruler Box vs Driven Back
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruler Box
Learn to effectively use various types of rulers with practical examples and user cases. This app introduces over ten different rulers, with more measurement tools planned for future updates.
- Learn ruler usage
- Practical user cases
- Over ten rulers included
- Caliper measurement tools
- Upcoming ruler types
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Do you want to learn how to use the rulers? There are many rulers in the world.And also we should learn how to use them. Here we get some rulers which include some user cases.I think it can help your to lean how to use the rulers! Now there are over ten rulers!!!! more and more kinds of rulers（caliper） are comming soon!!
Driven Back
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This application is designed specifically for RV wireless WiFi cameras. Simply connect your phone to the camera’s WiFi signal, and you can instantly view clear real-time video streaming on your mobile device. Perfect for RV parking, reversing, road travel and outdoor camping. It helps you eliminate blind spots, improve driving safety, and make your towing and backing up much easier. Main Features: Real-time HD video preview for your RV WiFi camera Fast and stable WiFi Wireless connection Support roadside parking and reversing observation Simple interface, one-click connection Work for most RV / Trailer / Camper wireless camera devices No complicated settings, plug and view
Screenshots
Verdict
The clearest difference is price: Driven Back at Free against Ruler Box's $0.99. Driven Back also leads on update cadence (every 3 months vs every 7 months). Ruler Box's advantage is iOS requirement (8.0 vs 12.0). On ads, 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
Driven Back is free to download; Ruler Box costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Ruler Box ships an update every 7 months, Driven Back every 3 months. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.
| Parameter | Ruler Box | Driven Back |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.3 (94 ratings) — better | — |
| Positive reviews | 45.5% of reviews | — |
| Number of ratings | 94 — better | — |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 16 MB | 61 MB |
| Age rating | 4+ | 17+ |
| Developer | 志荣 杨 | DB Research L.L.P. |
In-app purchases
Ruler Box
No in-app purchases
Driven Back
No in-app purchases
