Comparison

PD Measure Ruler vs Pasadena Commons

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

Head to head
About

PD Measure Ruler

Accurately measure your pupillary distance (PD) for eyeglasses and VR headsets. Offers both manual and automatic measurement modes for precise results. Optimize your eyewear fit with this user-friendly tool.

Highlights
  • Manual PD measurement
  • Automatic PD measurement
  • Accurate and precise readings
  • User-friendly interface
  • Eyeglass fitting assistance
  • VR headset adjustment
Features
Read full description

Unlock the perfect fit for your eyeglasses with our PD Ruler App – your fast and accurate tool for measuring pupillary distance (PD) using your iPhone! Accuracy and verifiability of the result are the main priority of this application for precise inter pupillary distance measurement, making it the best app for ordering glasses online, or just keeping track of your eye measurements. *** Manual Measurement *** (Requires subscription) Our app includes a highly accurate manual measurement mode, that works for most devices. Follow the intuitive on-screen guides to ensure precise results every time, no matter what device you're using. *** Quick & Automatic *** (Requires subscription) PD Measurement Effortlessly measure your pupillary distance with just one tap on supported devices (iPhone X +). Using your iPhone camera's advanced features, our app automatically detects and calculates your PD in a matter of seconds – giving you precise results for all your eyewear needs. Perfect for Glasses & VR Headsets Whether you’re buying new eyeglasses, adjusting a VR headset, or simply checking your PD for other purposes, our app makes the process hassle-free and accurate. Key Features: - Manual Measurement Mode: Perfect for most devices, ensuring no one is left behind (with a subscription). - Automatic PD Measurement: Fast, precise results using your camera's advanced features (with a subscription). - Accuracy & Precision: Our algorithm is fine-tuned for optimal performance to give accurate readings. - User-Friendly Interface: Simple and clear instructions guide you through the measurement process effortlessly. Take the guesswork out of your eyeglass fitting process with our app. Enjoy seamless accuracy. Optimize Your Vision. Optimize Your Fit. Manual and Automatic measure features require a subscription to use. By subscribing to the app you will be able to enjoy the full functionality of the app and measure pd distance using the manual method, which works on all devices, and optionally the automatic method if your device is supported. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You can cancel your subscription at any time from your App Store account. Enjoy the app! Please contact support@vistechprojects.com for questions or inquiries. Terms of Use: https://www.vistechprojects.com/term-of-use Privacy Policy: https://www.vistechprojects.com/privacy-policy

About

Pasadena Commons

Features
Read full description

Your all-access experience at Pasadena Commons. Stay connected with real-time updates, manage reservations, submit service requests, explore upcoming events, and much more, all in one seamless platform.

Screenshots

PD Measure Ruler4 screens
Pasadena Commons4 screens

Verdict

The call

The clearest difference is in-app purchases: Pasadena Commons at none against PD Measure Ruler's 4. PD Measure Ruler's advantage is update cadence (every 6 days vs fortnightly). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PD Measure Ruler sells 4 in-app purchases, starting at $2.99 per 7 days. Pasadena Commons asks for nothing beyond the download.

UpkeepUpdate frequency

PD Measure Ruler ships an update every 6 days, Pasadena Commons fortnightly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
PD Measure Ruler versus Pasadena Commons: the parameters behind the verdict, then further details
ParameterPD Measure RulerPasadena Commons
PriceFreeFree
Rating4.0 (41 ratings) — better—
Positive reviews27.3% of reviews—
Number of ratings41 — better—
Update frequencyEvery 6 days — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size24 MB169 MB
Age rating4+4+
DeveloperVisTech.Projects LLCcove

In-app purchases

4 purchases

PD Measure Ruler

Subscriptions4
  • Weekly$2.997 Days
  • Weekly$4.997 Days
  • Weekly$7.997 Days
Show 1 more
  • Monthly$14.991 Month
None

Pasadena Commons

No in-app purchases

Questions

Is PD Measure Ruler free?
PD Measure Ruler is free to download, with in-app purchases available.
Is Pasadena Commons free?
Pasadena Commons is free to download, with no in-app purchases.
Do PD Measure Ruler or Pasadena Commons have ads?
Neither PD Measure Ruler nor Pasadena Commons shows ads.
Which is updated more often, PD Measure Ruler or Pasadena Commons?
PD Measure Ruler ships an update every 6 days, and Pasadena Commons fortnightly. Most recently, PD Measure Ruler was updated on October 24, 2026 and Pasadena Commons on October 31, 2026.

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