Pocket,Ruler vs Caliper&Ruler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pocket,Ruler
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A practical tool for measuring the length of small items Turn your mobile phone into a portable ruler, allowing you to measure small objects at any time. More accurate than ordinary distance meters
Caliper&Ruler
Transform your device into a precise digital caliper for measuring objects in inches and millimeters. Features intuitive drag-and-measure functionality and accurate screen calibration using common items.
- Dual measurement units (inches/millimeters)
- Intuitive drag-and-measure interface
- Accurate screen calibration
- Custom calibration options
- Universal device compatibility
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Unlock Precision – Your Essential On-Screen Measurement Tool! Turn your iPhone or iPad into a versatile digital caliper. Measure objects accurately in inches and millimeters with an intuitive and easy-to-use interface. Whether you're a DIY enthusiast, student, designer, or professional, Caliper provides precise measurements wherever you need them. Key Features: - Dual Measurement Units: Easily measure in both inches and millimeters. - Intuitive Drag-and-Measure: Simply drag the slider to measure objects instantly. - Accurate Calibration: Calibrate your screen using everyday objects such as credit cards, AA batteries, rulers, or CDs/DVDs/Blu-ray discs. - Custom Calibration: Use any object with a known length for precise adjustment. - Universal Compatibility: Designed for iPhone (landscape only) and iPad (all orientations). Download Caliper and experience accurate measurements anytime, anywhere.
Screenshots
Verdict
The clearest difference is in-app purchases: Pocket,Ruler at none against Caliper&Ruler's 1. Pocket,Ruler also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (16.6 vs 18.4). Caliper&Ruler's advantage is ads (none vs shown). 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. Caliper&Ruler sells 1 one-off in-app purchase. Pocket,Ruler asks for nothing beyond the download.
Pocket,Ruler ships an update fortnightly, Caliper&Ruler every 6 weeks. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.
| Parameter | Pocket,Ruler | Caliper&Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 18.4 |
| Further details — not scored | ||
| Size | 6 MB | 5 MB |
| Age rating | 4+ | +4 |
| Developer | 旭 王 | Jun Yamabe |
In-app purchases
Pocket,Ruler
No in-app purchases
Caliper&Ruler
- Remove Ads$2.99
Questions
Is Pocket,Ruler free?
Is Caliper&Ruler free?
Do Pocket,Ruler or Caliper&Ruler have ads?
Which is updated more often, Pocket,Ruler or Caliper&Ruler?
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