249+ iOS apps curated and reviewed
The best logcaliper apps on iPhone average 3.9★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (5) | No | No | May 2026 |
| 2 |  | Free | 4.6★ (5.1K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.8★ (5.9K) | No | Yes | Aug 2026 |
| 4 |  | Free | 5.0★ (3) | No | No | May 2026 |
| 5 |  | Free | — | No | Yes | May 2026 |
| 6 |  | Free | 4.8★ (3.3K) | No | No | Aug 2026 |
| 7 |  | Free | 1.0★ (2) | No | No | May 2026 |
| 8 |  | Free | — | No | No | May 2026 |
This utility app assists IT professionals in calculating and comparing data storage needs for big data and SIEM solutions. It converts various data sizes and rates, estimates storage capacity, and helps size log management systems.
This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.
This app offers science-based strength training, including workout planning, tracking, and exercise tutorials. It supports individual training, group workouts, and offers optional upgrades for personalized plans, advanced features, and one-on-one coaching.
This app helps independent contractors log important order details with photos, timestamps, and notes. Easily retrieve logs by date and time to dispute claims or for personal records. It offers a paper-like logging experience without recurring fees or ads.
This app helps diabetics meticulously record and monitor vital health metrics like blood sugar, weight, and blood pressure. Visualize trends with customizable charts and easily share detailed reports with healthcare providers via email.
Practice reading a vernier caliper with this free and easy application. Simply slide your finger to grip an object and take your measurement. Enter your guess to see if you're correct and improve your skills.
Easily track your teen's driving hours for driver's education and DMV requirements. This app simplifies logging essential details like date, duration, and time of day without ads or clutter.
This free business suite and calculator app offers tools for woodworkers, including project management, inventory tracking, quoting, and invoicing. It prioritizes user privacy with all data stored locally and provides various shop-specific calculators for lumber, cuts, and finishes.
This medical logbook simplifies the recording of surgical information with an intuitive interface and keyword suggestions. It helps anaesthetists worldwide capture essential details for operations and generate exportable reports. The app also supports data import and local/online backups.
This utility app streamlines the recording of locator data for drilling projects. It generates real-time bore profiles and as-built reports, eliminating the need for manual logbooks. Users can track drill string positions, add obstacles, and share documentation directly from the site.
Practice reading a vernier caliper with this free and easy application. Slide your finger to grip objects, enter your measurement guess, and check your accuracy. This version includes leaderboards and a higher precision scale option.
Easily estimate the green weight of logs for arborists. Input tree species, log width, and length to get accurate calculations based on US Forest Service data. Supports 156 North American species and offers both Imperial and Metric modes.
A pocket guide for foresters and natural resource professionals, offering quick reference for essential field measurements. It includes data on basic forest and land measurements, tree measurements, volume tables, and site index charts.