Rul3r vs Infinite Ruler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rul3r
This utility app provides a portable ruler for on-the-go measurements. It also includes a suite of additional tools like a protractor, spirit level, and various meters for diverse measurement needs.
- Portable ruler
- Protractor
- Spirit level
- Altimeter
- Decibel meter
- Plumb line
Read full descriptionHide full description
Did you ever want to measure the length of something but you had no ruler at hand? Rul3r was created exactly for situations like this, so that a portable ruler is always available to you on your phone, whenever you need it. What's more, Rul3r provides a lot more tools: * Protractor * Plumb Line * Spirit Level * Elevation, Air Pressure and Location meter * Decibel Meter * Ordinal Date Converter
Infinite Ruler
Measure objects with precision using a digital ruler that extends beyond your screen. Choose fractional inch or centimeter units and calibrate for accuracy. Ideal for quick measurements when a physical tool isn't available.
- Fractional inch or centimeter measurement
- Adjustable precision (1/8, 1/16, 1/32 inch)
- Extendable ruler beyond screen length
- Customizable zero point
- Live distance markers
- On-device calibration
Read full descriptionHide full description
Infinite Ruler The perfect app for when you've forgotten your tape measurer in the shed and want to know how tall your coffee mug is. Or maybe you need to settle an argument about how big your cat's head is. Measure in centimeters or fractional inches, then keep going beyond the length of one screen. • Choose 1/8, 1/16 or 1/32-inch precision • Move the zero point to start anywhere • Place A and B markers for a live distance • Continue measuring across as many ruler pages as you need • Put the scale on the left or right edge • Calibrate per phone for better real-world accuracy Your measurements and calibration values stay on your device.
Screenshots
Verdict
The clearest difference is review sentiment: Infinite Ruler at 100% against Rul3r's 45%. Infinite Ruler also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 1). Rul3r's advantage is ratings volume (1.1K vs 2) and update cadence (every 2 months vs every 7 months). On price 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. Rul3r sells 1 one-off in-app purchase. Infinite Ruler asks for nothing beyond the download.
Infinite Ruler holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Rul3r has 1.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 45% of Rul3r's written reviews are positive against 100% of Infinite Ruler's.
Rul3r ships an update every 2 months, Infinite Ruler every 7 months. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.
| Parameter | Rul3r | Infinite Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.1K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 44.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 1.1K — better | 2 |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 7 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | YOYASOFT LLC | Eric Savoie |
Customer experience
Rul3r
Infinite Ruler
In-app purchases
Rul3r
- Remove Ads$2.99
Infinite Ruler
No in-app purchases
Questions
Is Rul3r free?
Is Infinite Ruler free?
Which has better reviews, Rul3r or Infinite Ruler?
Do Rul3r or Infinite Ruler have ads?
Which is updated more often, Rul3r or Infinite Ruler?
Other comparisons
