Ruler+ Utility vs Scene Finder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruler+ Utility
Transform your smartphone into a versatile measuring tool. Instantly measure the length of objects using your phone's screen, with options for fixed or scroll modes. Save your measurements and choose between centimeters or inches for precise results.
- Smartphone ruler
- Fixed and scroll measurement modes
- Save measurements
- Centimeter and inch support
- Fine-tune scale
- Intuitive interface
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This app transforms your smartphone into a handy ruler. Whenever you’re curious about the length of something, you can measure it instantly with just your smartphone! From a pencil on your desk to the thickness of a book, 'Ruler' is perfect for quickly checking lengths. Without any complex explanations or difficult features, just open the app and measure according to the scale. Its intuitive interface allows anyone to measure quickly and accurately. Measurement methods: 1) Fixed Ruler: Place the object you want to measure on your smartphone, touch the screen with your finger, and move it to the end of the object to measure its length. 2) Scroll Ruler: Use this method to measure objects longer than your smartphone. Place your smartphone next to the object, hold it with your thumb and middle finger, touch the screen with your index finger, and move the phone gradually to measure the length. Main Features: - Easily save the measurements you take - Measure in both centimeters (cm) and inches (inch) - Fine-tune the scale for more precise measurements - Choose between fixed and scroll modes depending on your needs Never worry about not having a ruler again. With 'Ruler', you can measure anything conveniently at any time. Experience smart measurement now!
Scene Finder
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Never Watch Hours of Security Footage Again SceneFinder uses powerful AI to instantly find when people appear in your security videos — analyzing hours of footage in seconds to detect human presence and movement. 100% Private. 100% On-Device. Unlike cloud services, your videos never leave your device. All AI processing happens locally using advanced CoreML technology, ensuring complete privacy for your home and family. Works on iPhone, iPad & Mac One purchase works across all your Apple devices. Analyze on your iPhone while mobile, review on your iPad's larger screen, or process multiple videos on your Mac — your choice. Perfect For: • Home security camera recordings • Finding when visitors or delivery people arrived • Checking who entered specific areas • Monitoring outdoor spaces for intruders • Reviewing footage after security incidents Smart Person Detection: • Person Appeared — Know exactly when someone enters the frame • Person Left — Track when areas become empty • Automatic Clip Creation — Saves 10-second clips of each event • Smart Timeline — Jump instantly to detected moments • Detailed Events — See timestamps and confidence levels • Share Findings — Export clips and reports easily (Premium) Free vs Premium: FREE: Videos up to 10 minutes, one at a time, with ads PREMIUM: Unlimited video length, batch processing, no ads, share clips Why SceneFinder? • Universal — iPhone, iPad & Mac with one purchase • Private — No cloud, no uploads, no tracking • Fast — Find people in videos instantly • Accurate — Advanced AI trained on human detection • Ethical — No facial recognition, just presence detection Stop wasting time scrubbing through footage. Let SceneFinder's AI instantly find when people appear in your videos — on any Apple device. Download now and analyze your first video in seconds — completely free.
Screenshots
Verdict
The clearest difference is iOS requirement: Ruler+ Utility at 13.0 against Scene Finder's 17.0. On price, 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
Both are free to download. Ruler+ Utility sells 1 one-off in-app purchase and Scene Finder sells 3 in-app purchases, starting at $5.00 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Ruler+ Utility | Scene Finder |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 46.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 40 months | — |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 24 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Kyungjin Lee | Shih-Kung Chen |
In-app purchases
Ruler+ Utility
- Remove Ads$1.99
Scene Finder
- Weekly Premium$5.007 Days
- Annual Premium7 Days trial$36.001 Year
- Lifetime Premium$72.00









