Comparison

Caliper&Ruler vs SMART DIGITAL TOOLS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Dual measurement units (inches/millimeters)
  • Intuitive drag-and-measure interface
  • Accurate screen calibration
  • Custom calibration options
  • Universal device compatibility
Features
Read full description

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.

About

SMART DIGITAL TOOLS

Features
Read full description

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

Caliper&Ruler4 screens
SMART DIGITAL TOOLS3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Caliper&Ruler sells 1 one-off in-app purchase. SMART DIGITAL TOOLS asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Caliper&Ruler versus SMART DIGITAL TOOLS: the parameters behind the verdict, then further details
ParameterCaliper&RulerSMART DIGITAL TOOLS
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.412.0 — better
Further details — not scored
Size5 MB32 MB
Age rating+44+
DeveloperJun YamabeTERMA ELECTRONICS CO., LTD

In-app purchases

1 purchases

Caliper&Ruler

One-time1
  • Remove Ads$2.99
None

SMART DIGITAL TOOLS

No in-app purchases

Questions

Is Caliper&Ruler free?
Caliper&Ruler is free to download, with in-app purchases available.
Is SMART DIGITAL TOOLS free?
SMART DIGITAL TOOLS is free to download, with no in-app purchases.
Do Caliper&Ruler or SMART DIGITAL TOOLS have ads?
Neither Caliper&Ruler nor SMART DIGITAL TOOLS shows ads.

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