Caliper&Ruler vs SMART DIGITAL TOOLS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
SMART DIGITAL TOOLS
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This is a software for recording and analyzing the measurement data by bluetooth transmission tools. It supports to connect multiple bluetooth digital tools simultaneously. The operator needs to do some simple setup only, and then, the operator can operate variety of bluetooth digital tools to measure the dimensions of the workpiece. The data measured by each bluetooth digital tools can be entered into the corresponding data statistics sheet with one key, moreover, the APP will automatically deal statistics on the measured data and calculate parameters such as passing rate, average value and maximum value ,and so on. Users can share the saved data to other mobile phones, computers or other terminal device according to their needs. Especially suitable for mobile testing environment,such as workshop inspection, outdoor operations etc. it greatly improves the efficiency and portability of data collection.
Screenshots
Verdict
The clearest difference is in-app purchases: SMART DIGITAL TOOLS at none against Caliper&Ruler's 1. SMART DIGITAL TOOLS also leads on iOS requirement (12.0 vs 18.4). On price, ads 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. SMART DIGITAL TOOLS asks for nothing beyond the download.
| Parameter | Caliper&Ruler | SMART DIGITAL TOOLS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 32 MB |
| Age rating | +4 | 4+ |
| Developer | Jun Yamabe | TERMA ELECTRONICS CO., LTD |
In-app purchases
Caliper&Ruler
- Remove Ads$2.99
SMART DIGITAL TOOLS
No in-app purchases
Questions
Is Caliper&Ruler free?
Is SMART DIGITAL TOOLS free?
Do Caliper&Ruler or SMART DIGITAL TOOLS have ads?
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