Comparison

Planimeter GPS Area Measure vs Authenticator °

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

Head to head
About

Planimeter GPS Area Measure

Measure distances, areas, and perimeters on a map using manual input or GPS tracking. This tool is ideal for outdoor activities, land surveying, and various professional applications requiring accurate spatial calculations. Save and share your measurements in KML format.

Highlights
  • Measure distance, area, and perimeter
  • Manual and GPS tracking measurement
  • Save and share measurements in KML
  • Metric and Imperial units
  • GPS accuracy settings
  • Current location search
Features
Read full description

Planimeter GPS Area Measure is a tool to measure distance, area, and perimeter on a map. You can measure manually or by GPS tracking. You can also check the bearing and geo-coordinates of your location and share them. Points can be labeled, saved, and shared in KML format. This measurement app is useful for outdoor activities and can be used as land surveyor by amateurs and professionals in various industries like sport, farming, landscaping, paving and construction, road building and repairing, real estate business, hiking and travel, fencing, lot building and planning, solar panel installation (roof area estimation), object mapping, lawn design, and many other where land area and distance/length calculations, land survey or maps are involved. # Features: • Accurate distance measurements • Metric and Imperial units (m, km, feet, yards, miles, ha, acres) • GPS accuracy settings (if GPS available) • Current location search • Delete selected/last/all points • Zoom to Fit-in and center points on a screen - quick points search • Add points by touch • Add the current location as a point • Option to center the point added • Option to show/hide lines • Preferences: location accuracy, tracking time interval, delete points confirmation, sound option for tracking • Separate units settings for distance, area, and perimeter. # Premium Features (Require Subscription): • Area calculation • Angle between lines • Bearings to and from the point • Forward and backward navigation through points by touch on the Info Panel • GPS coordinates of a point • Manage previously saved projects: open, save, share KML files • KML files created by Planimeter can be imported to GEarth and GMaps to view on a desktop • Send data by email: picture, coordinates as a text message, KML file • Save KML or TXT in local storage • Map/Satellite View • Zoom and Edit points • Text (address) search • Find the location by entering the Latitude and Longitude coordinates • Add points by entering geo-coordinates: Lat and Lng • Target Mode for accurate pin placement • Show current coordinates in Target Mode • Draw (Stylus) Mode • Notes Mode • Full-screen option • GPS TRACKING • Manual pin placement in GPS Tracking # The app has been successfully used in different areas: • outdoor activities: sports, golf (distance between two points or holes), bike tours, trail planning, travelling, quick path measure • garden and yard: landscape planning, grass cutting, lawn care and mowing, fencing, grass seeding. • agriculture, poultry, and farming: harvesting, fertilizing, crops (corn, wheat, maize, beet, etc.), planning and estimation, field area measure, paddocks and area fencing for cows, horses, chickens, rabbits, etc. • solar energy: area estimation for solar panels, flat roof area estimation • construction: land survey, road sealing, parking lot repairing • Forestry: objects and tree mapping, damage area estimation, measuring land area • other: pond size is measured; pole lines planning; movement tracking; get exact GPS coordinates of way-points; fence calculation; geocaching. # Learn more If you have any questions about Planimeter and its functionality, please find the How To Use Quick Guide on this page: https://www.vistechprojects.com/vistech-projects-downloads Video Demo: http://youtu.be/unjYbPCIYM0 http://youtu.be/QQMilHVD5e8 # Note: Continued use of GPS in the background can significantly reduce battery life. If you like the app and find it useful, please support us with your feedback and comments. Feel free to contact support@vistechprojects.com with any questions, comments, or bug reports.

About

Authenticator °

This app enhances your online security by generating time-sensitive passwords for two-factor and multi-factor authentication. It offers seamless data synchronization across devices, Apple Watch support, and robust encryption for your sensitive information.

Highlights
  • One-Time Passwords (OTP)
  • Seamless Data Synchronization
  • Apple Watch Support
  • End-to-End Encryption
  • Import/Export Encrypted Backups
  • Auto-Lock & Biometric Authentication
Features
Read full description

Cutting-edge security meets convenience: Authenticator° is the ultimate iOS app designed to make your digital life safer and hassle-free. Now supporting Apple Watch, we safeguard your accounts across Twitter, Reddit, LinkedIn, Instagram, TikTok, Amazon, Facebook, Dropbox, and more, providing an unparalleled layer of protection. Key Features: • One-Time Passwords (OTP) – Boost your account security with two-factor or multi-factor authentication, using unique, time-sensitive passwords generated on-demand. • Seamless Data Synchronization – Sync your authentication data across multiple devices effortlessly, ensuring you have access to your accounts whenever you need them. • Apple Watch Support – Your one-time passwords are now a glance away. Enjoy seamless integration with your Apple Watch for quick, convenient authentication. • End-to-End Encryption – Enjoy peace of mind knowing your sensitive information is protected with the highest level of encryption, keeping your data secure from prying eyes. • Import/Export Encrypted Backups – Create private, encrypted backups of your data and effortlessly import or export them to ensure your information is always safe and accessible. • Auto-Lock & Biometric Authentication – Tailor the auto-lock time to your needs and use Touch ID or Face ID for seamless access to your accounts without compromising security. • No Account Required – There's no need to create a separate account for Authenticator°. Simply sign in with your Apple ID for data syncing and iCloud backups or opt for "device only" mode to keep your data exclusively on your device. With Authenticator°, you'll never have to worry about the security of your online accounts again. Take control of your digital life and keep your information safe from hackers and identity thieves with the ultimate authentication app. Download Authenticator° today and experience a new level of online security and convenience. Authenticator° subscription: Authenticator° Premium unlocks features like Data Sync Across Devices, End-to-End Data Encryption, Unlimited Tokens, and Encrypted File Export/Import. Available plan pricing is shown in the app before purchase. Payment will be charged to your App Store account at confirmation of purchase, and subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or turn off auto-renewal in your account settings after purchase. See the instructions here: https://support.apple.com/en-us/HT202039 You can read the terms of use and privacy policy here: https://kapi90.github.io/authenticator_privacy_policy.html End User License Agreement (EULA) of the App Store applies: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Planimeter GPS Area Measure4 screens
Authenticator °4 screens

Verdict

The call

The clearest difference is rating: Authenticator ° at 4.8 against Planimeter GPS Area Measure's 4.2. Authenticator ° also leads on review sentiment (77% vs 53%) and update cadence (every 2 weeks vs every 5 weeks). On price, ratings volume, ads and in-app purchases 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. Planimeter GPS Area Measure sells 7 in-app purchases, starting at $4.99 per 7 days and Authenticator ° sells 14 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Authenticator ° holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 491 and 594 respectively. Written reviews point the same way: 53% of Planimeter GPS Area Measure's written reviews are positive against 77% of Authenticator °'s.

UpkeepUpdate frequency

Planimeter GPS Area Measure ships an update every 5 weeks, Authenticator ° every 2 weeks. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 7 level
Planimeter GPS Area Measure versus Authenticator °: the parameters behind the verdict, then further details
ParameterPlanimeter GPS Area MeasureAuthenticator °
PriceFreeFree
Rating4.2 (491 ratings)4.8 (594 ratings) — better
Positive reviews53.3% of reviews76.7% of reviews — better
Number of ratings491594 — better
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.015.0
Further details — not scored
Size30 MB55 MB
Age rating4+4+
DeveloperVisTech.Projects LLCBence Kaposzta

Customer experience

Planimeter GPS Area Measure

All ratings491 ratings
Positive78.8%
Neutral6.3%
Negative14.9%
Written reviews92 reviews
Positive53.3%
Neutral8.7%
Negative38.0%

Authenticator °

All ratings594 ratings
Positive94.4%
Neutral3.0%
Negative2.5%
Written reviews103 reviews
Positive76.7%
Neutral7.8%
Negative15.5%

User reviews

Planimeter GPS Area Measure

From 491 App Store ratings

What we love

  • 👍 Easy and intuitive to use
  • 🚀 Accurate measurements
  • 💡 Convenient way to measure areas
  • 🚀 Great for planning land projects
  • 👍 Simple and straightforward

Room to improve

  • 🔒 Requires paid subscription for full features
  • 🐛 Location detection issues
  • 🐛 Outdated satellite imagery
  • 🐛 Buggy and unstable at times
  • 👎 Difficult to use, cryptic interface

Authenticator °

From 594 App Store ratings

What we love

  • 👍 Easy to install and use
  • 🔒 Secure password management
  • 🚀 Efficient and fast
  • 👍 Great user interface
  • 🔒 Robust security features

Room to improve

  • 🐛 Occasional crashes or bugs
  • 🔒 Concerns about cloud storage security
  • 🤔 Forced 5-star review before use
  • 🤔 Unclear or confusing onboarding process

Bugs and requests

Planimeter GPS Area Measure

Reported bugs

4 issues
  • Inconsistent location tracking
  • Saved files losing data/points
  • Compatibility issues with older devices
  • Freezing and crashing on some devices

Requested features

5 requests
  • Add ability to manually enter coordinates
  • Improve zoom and pin placement accuracy
  • Implement ability to delete/move pins
  • Integrate with cloud storage for file sharing
  • Add support for circular measurements

Authenticator °

Reported bugs

3 issues
  • List of saved sites/accounts disappearing
  • Trouble logging in or resetting password
  • Incompatibility with older devices

Requested features

4 requests
  • Allow renaming of accounts
  • Add pop-up notifications like other authenticators
  • Improve sync with desktop/laptop
  • Provide more theme/customization options

In-app purchases

7 purchases

Planimeter GPS Area Measure

Subscriptions7
  • Full Access2 variants$4.997 Days
  • Full Access$9.991 Month
  • Full Access$49.991 Year
Show 4 more
  • Full Access7 Days trial$49.991 Year
  • Full Access14 Days trial$49.991 Year
  • Full Access$99.991 Year
  • Full Access7 Days trial$99.991 Year
14 purchases

Authenticator °

Subscriptions11
  • Monthly7 Days trial$9.991 Month
  • Monthly$9.991 Month
  • Monthly3 Days trial$9.991 Month
Show 8 more
  • 3 Month$12.993 Months
  • 1 Year, 50% off$19.991 Year
  • 1 Year Discounted$22.991 Year
  • 1 Year, 30% off$27.991 Year
  • 1 Year with initial offer1 Month trial$34.991 Year
  • Annual subscription7 Days trial$39.991 Year
  • 1 Year$39.991 Year
  • 1 Year3 Days trial$39.991 Year
One-time3
  • Free Lifetime subscriptionFree
  • Lifetime, intro offer$0.29
  • Lifetime$59.99

Questions

Is Planimeter GPS Area Measure free?
Planimeter GPS Area Measure is free to download, with in-app purchases available.
Is Authenticator ° free?
Authenticator ° is free to download, with in-app purchases available.
Which has better reviews, Planimeter GPS Area Measure or Authenticator °?
Authenticator ° is rated higher. Planimeter GPS Area Measure averages 4.2 out of 5 from 491 ratings, while Authenticator ° averages 4.8 from 594 ratings.
Do Planimeter GPS Area Measure or Authenticator ° have ads?
Neither Planimeter GPS Area Measure nor Authenticator ° shows ads.
Which is updated more often, Planimeter GPS Area Measure or Authenticator °?
Planimeter GPS Area Measure ships an update every 5 weeks, and Authenticator ° every 2 weeks. Most recently, Planimeter GPS Area Measure was updated on September 30, 2026 and Authenticator ° on September 28, 2026.

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