Ruler Professional vs BoviShow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruler Professional
Transform your iOS device into a versatile measuring tool. Accurately measure lengths in both centimeters and inches using on-screen markers. Ideal for quick, on-the-go measurements.
- Device as a ruler
- Metric and imperial units
- Adjustable measurement markers
- Real-time distance display
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Turn your iPod Touch, iPhone or iPad into a ruler! You want to measure in centimeters? or inches? We support both the metric and English systems. You want to measure the length of an object? You can move the two red lines in the app and the distance between the two lines will be displayed to you immediately!
BoviShow
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[主要功能] ◼ 即時影音收看：可即時收看多路攝影機直播畫面 ◼ 歷史影音收看：可收看指定攝影機之歷史影音回放，並可同步檢視GPS位置及軌跡追蹤。 ◼ PTZ控制：可於即時影音收看時同步控制支援PTZ功能之攝影機。
Screenshots
Verdict
The clearest difference is in-app purchases: BoviShow at none against Ruler Professional's 1. On price, update cadence, ads 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. Ruler Professional sells 1 one-off in-app purchase. BoviShow asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Ruler Professional | BoviShow |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (3 ratings) — better | — |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 months | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | KBIC International Ltd | BOVIA Co., Ltd |
In-app purchases
Ruler Professional
- Ad Removal$0.99
BoviShow
No in-app purchases
