Comparison

Olypsys Measure vs Bolt Thread Identifier

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

Head to head
About

Olypsys Measure

This app helps businesses accurately measure and identify O-rings using their phone. It matches measurements against international standards and maintains an audit record with project details. Ideal for quality control during goods-inward inspection, part replacement, and pre-assembly checks.

Highlights
  • Accurate O-ring measurement
  • O-ring identification
  • Match against international standards
  • Audit record keeping
  • Project reference and location tagging
  • Goods-inward inspection tool
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

Bolt Thread Identifier

Identify bolt thread pitches by taking a photo. This app uses AI to match SAE-UNC, SAE-UNF, or metric pitches after a simple distance calibration. It's a handy tool for anyone working with fasteners.

Highlights
  • Photo-based thread pitch measurement
  • AI-driven pitch matching
  • Supports SAE-UNC, SAE-UNF, and metric threads
  • Simple distance calibration
  • Useful for fabricators and mechanics
Features
Read full description

Measure the thread pitch of common bolts by snapping a photo and performing a simple distance calibration. Custom AI algorithms will then return the matching SAE-UNC, SAE-UNF, or metric pitches. Fabricators, mechanics, home owners, and hobbyists in general will find the Bolt Thread Identifier App a useful addition to their tool box.

Screenshots

Olypsys Measure4 screens
Bolt Thread Identifier4 screens

Verdict

The call

The clearest difference is rating: Olypsys Measure at 3.0 against Bolt Thread Identifier's 2.3. Olypsys Measure also leads on review sentiment (67% vs 33%) and update cadence (every 4 weeks vs every 11 months). Bolt Thread Identifier's advantage is in-app purchases (none vs 3). On price, ratings volume, ads and device support 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. Olypsys Measure sells 3 in-app purchases, starting at $10.00 per month. Bolt Thread Identifier asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Olypsys Measure holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 67% of Olypsys Measure's written reviews are positive against 33% of Bolt Thread Identifier's.

UpkeepUpdate frequency

Olypsys Measure ships an update every 4 weeks, Bolt Thread Identifier every 11 months. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

Scorecard6 real differences · 4 level
Olypsys Measure versus Bolt Thread Identifier: the parameters behind the verdict, then further details
ParameterOlypsys MeasureBolt Thread Identifier
PriceFreeFree
Rating3.0 (4 ratings) — better2.3 (3 ratings)
Positive reviews66.7% of reviews — better33.3% of reviews
Number of ratings4 — better3
Update frequencyEvery 4 weeks — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better26.0
Further details — not scored
Size101 MB58 MB
Age rating4+4+
DeveloperOlypsys Technologies LtdGeared Design Consulting L.L.C.

Customer experience

Olypsys Measure

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bolt Thread Identifier

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

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
None

Bolt Thread Identifier

No in-app purchases

Questions

Is Olypsys Measure free?
Olypsys Measure is free to download, with in-app purchases available.
Is Bolt Thread Identifier free?
Bolt Thread Identifier is free to download, with no in-app purchases.
Which has better reviews, Olypsys Measure or Bolt Thread Identifier?
Olypsys Measure is rated higher. Olypsys Measure averages 3.0 out of 5 from 4 ratings, while Bolt Thread Identifier averages 2.3 from 3 ratings.
Do Olypsys Measure or Bolt Thread Identifier have ads?
Neither Olypsys Measure nor Bolt Thread Identifier shows ads.
Which is updated more often, Olypsys Measure or Bolt Thread Identifier?
Olypsys Measure ships an update every 4 weeks, and Bolt Thread Identifier every 11 months. Most recently, Olypsys Measure was updated on September 17, 2026 and Bolt Thread Identifier on September 20, 2026.

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