iThNk Measure vs Ruler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iThNk Measure
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iThNk Measure automates the data collection of checklists, inspections or audits, reducing the costs in collecting vital business information. While collecting this information iThNk Measure generates actions that need to be taken when a non compliance arises, if an immediate action cannot be taken iThNk Measure ensures that all issues are logged, prioritised, categorised and assigned appropriately into iThNk Manage. A full trail of actions allows operations management to actively collaborate on issues and projects across the business. iThNk Measure will enable organisations to standardise their approach to ISO, ASQ, performance, operations, service, safety and quality management by ensuring that everyone works to the same standard. It significantly reduces the time and cost of the data collection as well as the cost of dealing with issues that arises from the checklists, inspections or audits.
Ruler
Transform your phone into a precise measuring tool. Accurately measure objects, surfaces, and distances using your screen or camera. Ideal for home, work, or on-the-go tasks, providing quick and reliable measurements.
- Measure objects on screen
- Switch between units (cm, mm, inches)
- Save and share measurements
- Easy-to-use interface
- Accurate and fast measurements
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Turn your phone into a powerful measuring device with our app. Measure objects, surfaces, and distances precisely using your screen or camera. Whether you’re at home, at work, or on the go — our product gives you accurate measurements in seconds. Main Features: • Measure objects directly on your screen • Switch between units (cm, mm, inches) • Save and share your measurements • Sleek and easy-to-use interface Why You’ll Love It: • Always have a ruler in your pocket • Ideal for DIY, design, school, or daily use • Accurate, fast, and convenient Subscription Details: • Weekly Plan: $4.99/week • Yearly Plan: $19.99/year with a 3-day free trial Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the subscription ends. Manage or cancel your subscription anytime in your iTunes Account settings. Any unused portion of a free trial will be forfeited when a subscription is purchased. Privacy Policy: https://www.icloud.com/pages/06esymWNjEpTQKyTyk7xrSiLQ#Blank Terms of Use: https://www.icloud.com/pages/0b4ufgCLIPuBpn14hhoiELQOA#Blank_3
Screenshots
Verdict
The clearest difference is in-app purchases: iThNk Measure at none against Ruler's 7. Ruler's advantage is update cadence (every 2 days vs every 6 months). On price, ads, device support and iOS requirement 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. Ruler sells 7 in-app purchases, starting at $2.99 per 7 days. iThNk Measure asks for nothing beyond the download.
iThNk Measure ships an update every 6 months, Ruler every 2 days. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | iThNk Measure | Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 6 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 8 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Intelligent Thinking (Pty) Ltd | Myroslav Drozd |
In-app purchases
iThNk Measure
No in-app purchases
Ruler
- Smart Ruler3 Days trial$2.997 Days
- Smart Ruler3 Days trial$4.997 Days
- Smart Ruler3 Days trial$6.997 Days
Show 4 moreShow fewer
- Smart Ruler$9.991 Year
- Smart Ruler$14.991 Year
- Smart Ruler$19.991 Year
- Smart Ruler$24.991 Year









