Ruler+ Utility vs Ruler
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!
Ruler
This utility app uses augmented reality to measure the length and area of real-world objects using your smartphone's camera. It offers unlimited measurements and an ad-free experience with premium subscriptions.
- Augmented reality measurement
- Measure length and area
- High precision with AR Kit
- Unlimited measurements (premium)
- Ad-free experience (premium)
- Subscription options available
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Ruler is the easiest and most accurate based on augmented reality. The app uses augmented reality technology(AR) to measure the real world object's area and length with your smartphone's camera. We have constantly improved this app since AR Kit was released which ensure the highest precision. Premium Services 1. Unlimited length Measurement. 2. Unlimited Area Measurement. 3. No Annoying ads. * Subscription is available like any ruler app. The payments will be charged to your iTunes account at confirmation of your purchase. * Subscription automatically renews for the same price and duration period as the original “one week”/”one month”/ unless auto-renew is turned off at least 24-hours before the end of the current period Our Standard Subscriptions are: 1. A one-week auto-renewal subscription with a 3-day trial period. 2. A one-month auto-renewal subscription with a 3-day trial period. Privacy Policy: https://sites.google.com/view/rulerios/terms-condition/privacy-policy Terms of Use: https://sites.google.com/view/rulerios/terms-condition
Screenshots
Verdict
The clearest difference is rating: Ruler at 4.3 against Ruler+ Utility's 3.0. Ruler also leads on update cadence (every 7 months vs every 40 months) and ratings volume (136 vs 2). Ruler+ Utility's advantage is review sentiment (47% vs 33%). On price, ads, in-app purchases and monetization model 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 Ruler sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Ruler holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Ruler has 136 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 47% of Ruler+ Utility's written reviews are positive against 33% of Ruler's, so the app with the better star average is not the one people write more warmly about.
Ruler+ Utility ships an update every 40 months, Ruler every 7 months. Both last shipped on October 24, 2026.
| Parameter | Ruler+ Utility | Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 4.3 (136 ratings) — better |
| Positive reviews | 46.7% of reviews — better | 33.3% of reviews |
| Number of ratings | 2 | 136 — better |
| Update frequency | Every 40 months | Every 7 months — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Kyungjin Lee | MD KHAIRUL ISLAM |
Customer experience
Ruler+ Utility
Ruler
In-app purchases
Ruler+ Utility
- Remove Ads$1.99
Ruler
- Ruler Premium Weekly3 Days trial$1.997 Days
- Ruler Monthly Premium3 Days trial$5.991 Month








