Comparison

Olypsys Measure vs Structr

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

Head to head
About

Olypsys Measure

This app uses your phone's camera to measure and identify various sealing components like O-rings and gaskets. Simply photograph the part on a calibration grid to get dimensions and find matching catalogue parts.

Highlights
  • Measure O-rings, gaskets, circlips, washers
  • Identify catalogue parts that fit
  • Supports multiple international standards
  • CAD export for Pro users
  • Corrects for shadows, tilt, and distortion
  • Save measurements with project details
Features
Read full description

Measure and identify O-rings, gaskets, circlips and washers with your phone. Put the part flat on an Olypsys calibration grid and take a photo. You get its dimensions in seconds, and the app tells you which catalogue parts fit. WHAT IT MEASURES Free: O-rings and backup rings. Pro: worn and compression-set O-rings, FEP O-rings, X-rings, square rings, V-rings, O-ring cord, gaskets, circlips and washers. Enterprise: enhanced-accuracy O-ring measurement and remote capture. STANDARDS MATCHING Measured parts are compared against catalogue sizes from standards including AS568, BS 4518, GB/T 3452.1, JIS B 2401, DIN 471, DIN 472, DIN 6799, ASME B16.21 and EN 1514-1. You see ranked candidates with a confidence score, part number and manufacturer. CAD EXPORT (PRO) Download any traced gasket, circlip or washer as DXF, SVG or .o2d for cutting or quoting. WHAT PEOPLE USE IT FOR Goods-inward inspection. Identifying worn or unmarked parts for replacement. Quality checks before assembly. Go/No-go checking against your own tolerances or a standard size. Measurements save with a project reference, location and application. Free accounts keep three days of history. Pro keeps all of it. The computer vision corrects for shadows, camera tilt and lens distortion, so results repeat between photos. You need an Olypsys calibration grid. Print one, or buy a durable mat. Pro and Enterprise are subscriptions. Enterprise is sold through Olypsys and its distributors: contact sales@olypsys.com.

About

Structr

Features
Read full description

Stop guessing what builds really cost. Structr helps DIY creators track and share the true time and cost behind every project. Whether you're building for YouTube, TikTok, or your own projects, Structr makes it easy to create clean, simple breakdowns your audience actually cares about. CREATE PROJECTS FAST Add your project name, total cost, and hours in seconds. No spreadsheets. No clutter. SHOW THE REAL NUMBERS Give your audience what they always ask for โ€” how much it cost and how long it took. ADD RECEIPTS Attach photos of materials and purchases to keep everything organized and transparent. SHARE YOUR BUILDS Generate simple, easy-to-read summaries you can link in your bio or video descriptions. BUILT FOR BUILDERS No bloated features. Just a clean, focused tool to track and share your work. Perfect for: โ€ข DIY creators โ€ข Renovations โ€ข Woodworking projects โ€ข Home builds and upgrades Stop answering the same questions in your comments. Start showing the full breakdown with Structr. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Olypsys Measure4 screens
Structr4 screens

Verdict

The call

The clearest difference is update cadence: Structr at weekly against Olypsys Measure's every 4 weeks. Structr also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Olypsys Measure sells 3 in-app purchases, starting at $10.00 per month and Structr sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Olypsys Measure ships an update every 4 weeks, Structr weekly. The most recent releases landed on November 3, 2026 and October 15, 2026 respectively.

Scorecard2 real differences ยท 6 level
Olypsys Measure versus Structr: the parameters behind the verdict, then further details
ParameterOlypsys MeasureStructr
PriceFreeFree
Positive reviews66.7% of reviewsโ€”
Update frequencyEvery 4 weeksWeekly โ€” better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumโ€”
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS16.415.1 โ€” better
Further details โ€” not scored
Size101 MB47 MB
Age rating4+4+
DeveloperOlypsys Technologies LtdNic Van Kampen

In-app purchases

3 purchases

Olypsys Measure

Subscriptions3
  • Olypsys Pro Monthly3 Days trial$10.001 Month
  • Pro (yearly)$80.001 Year
  • Olypsys Enterprise Yearly$600.001 Year
2 purchases

Structr

Subscriptions2
  • Structr PRO Monthly$6.991 Month
  • Structr PRO Annual$69.991 Year

Questions

Is Olypsys Measure free?
Olypsys Measure is free to download, with in-app purchases available.
Is Structr free?
Structr is free to download, with in-app purchases available.
Do Olypsys Measure or Structr have ads?
Neither Olypsys Measure nor Structr shows ads.
Which is updated more often, Olypsys Measure or Structr?
Olypsys Measure ships an update every 4 weeks, and Structr weekly. Most recently, Olypsys Measure was updated on November 3, 2026 and Structr on October 15, 2026.

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