Super Ruler vs Vernier Caliper Micrometer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Super Ruler
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Now you can Measure everything with beautiful on-screen ruler. A simple, user-friendly and accurate ruler for your phone -Caliper mode - Pick your units: mm, cm, inches, m, inch, foot, and yards - Control ruler length as you want, even you can put 100 meter if you want - no calibration needed - Copy current length to clipboard and paste it in another app - Save your current measurement screen as image - Very simple so everyone can use it
Vernier Caliper Micrometer
This utility app transforms your iPhone or iPad into a precise measuring tool for short lengths. It supports both inch and centimeter units, features calibration, and offers a user-friendly interface.
- Measures short lengths
- Supports inches and centimeters
- Unit switching
- Calibration feature
- Easy to use interface
- Attractive UI
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This app turns your iPhone into a vernier caliper. Features: + Designed for measuring short length + Support both inch and centimeter + Unit switch + Calibration + Easy to use + Good-looking UI
Screenshots
Verdict
The clearest difference is in-app purchases: Super Ruler at none against Vernier Caliper Micrometer's 1. Vernier Caliper Micrometer's advantage is ads (none vs shown) and update cadence (every 20 months vs every 109 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. Vernier Caliper Micrometer sells 1 one-off in-app purchase. Super Ruler asks for nothing beyond the download.
Super Ruler ships an update every 109 months, Vernier Caliper Micrometer every 20 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.
| Parameter | Super Ruler | Vernier Caliper Micrometer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.1 (22 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 22 — better |
| Update frequency | Every 109 months | Every 20 months — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Hany Elmehy | 齐 陈 |
In-app purchases
Super Ruler
No in-app purchases
Vernier Caliper Micrometer
- Remove Ads$0.99
Questions
Is Super Ruler free?
Is Vernier Caliper Micrometer free?
Do Super Ruler or Vernier Caliper Micrometer have ads?
Which is updated more often, Super Ruler or Vernier Caliper Micrometer?
Other comparisons
