Comparison

Angle Meter 360 vs Rigging Calculator

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

Head to head
About

Angle Meter 360

Measure angles precisely on photos or in real-time using your camera. This user-friendly tool allows for unlimited angle measurements simultaneously, with features like scaling and color adjustment for ease of use.

Highlights
  • Angle measurement on pictures
  • Real-time camera angle measurement
  • Unlimited simultaneous angle measurements
  • Object scaling and moving
  • Adjustable tool color
Features
Read full description

Easy and user-friendly angle meter. The application allows you to measure angles on the pictures, photos or from the camera in real time. With Angle Meter 360 you are able to permanently measure unlimited number of angles. Due to the addition of new tools or deleting old it is possible to receive and compare information from several angles at once. Scaling, moving the object and the possibility of changing of instrument's color allows you to measure angles easily, fast and accurately. Functions: -angle measurement on the pictures and from the camera - measurement unlimited number of angles simultaneously - the possibility of scaling and moving the object - adjustment of the color of tools for visual convenience. Easy and user-friendly interface allows you to determine the angles very fast and accurately. You only need to place the tool on the contour of the object and you immediately receive the result.

About

Rigging Calculator

Features
Read full description

RigMaster is the rigging calculator built for working riggers, crane operators, and signal persons. LIFT PLAN PDF (PRO) • Turn any calculation into a one-page lift plan: diagram, inputs, results • Room for notes and three signature lines — prepared by, signature, date • Share it straight to the supervisor from the toolbar IPAD & UNITS • Universal app — two-column layout on iPad, any orientation • Metric or imperial — kg and metres or lb and feet, switch any time • Live sling diagram with the angle and tension on every leg FREE CALCULATORS • Sling Tension — 2-leg picks by angle, or by sling length & height (the way you actually measure) • Hitch Capacity — vertical, choker (reduced by the choke angle) and basket capacity from YOUR sling's tag rating • Angle Reference — the tension multiplier table, always in your pocket PRO CALCULATORS • 3 & 4-leg bridles with rigid/flexible load sharing • Unequal Legs / CoG Offset — tension per leg when the center of gravity isn't centered • Horizontal pull per leg — the compression a spreader beam has to carry • Load Weight Estimator — steel, concrete, aluminum and more, by shape and dimensions • Ad-free Built on first-principles trigonometry with warnings at 45° and hard alerts below 30°, following standard rigging practice (ASME B30.9 guidance). RigMaster is an estimation aid for qualified riggers. Always follow the sling tag, the load chart, and your site's rigging plan. COMMON QUESTIONS Does it work offline? Yes. Every calculation runs on the phone. No signal needed on site. Do I need an account? No. There is no login and no sign-up. What is free? Sling Tension, Hitch Capacity and the Angle Reference table are free. Pro adds 3 and 4-leg bridles, unequal legs with CoG offset, the load weight estimator and the lift plan PDF, and removes the ads. Metric or imperial? Both, switchable at any time — kg and metres, or lb and feet. Can I hand the result to the supervisor? Yes. Pro turns any calculation into a one-page lift plan PDF: diagram, inputs, results, notes and three signature lines. Does it replace the sling tag or the load chart? No. It is an estimation aid for qualified riggers. The sling tag, the load chart and your site's rigging plan always come first. Does it work on iPad? Yes. Universal app, two-column layout on iPad, any orientation. Terms of Use: https://ghapps1.wordpress.com/terms-condition/ Privacy Policy: https://ghapps1.wordpress.com/privacy-policy/

Screenshots

Angle Meter 3604 screens
Rigging Calculator4 screens

Verdict

The call

The clearest difference is update cadence: Rigging Calculator at every 2 weeks against Angle Meter 360's every 3 months. Angle Meter 360's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases 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. Angle Meter 360 sells 1 one-off in-app purchase and Rigging Calculator sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Angle Meter 360 ships an update every 3 months, Rigging Calculator every 2 weeks. Both last shipped on November 13, 2026.

Scorecard2 real differences · 8 level
Angle Meter 360 versus Rigging Calculator: the parameters behind the verdict, then further details
ParameterAngle Meter 360Rigging Calculator
PriceFreeFree
Rating4.4 (366 ratings) — better—
Positive reviews66.4% of reviews—
Number of ratings366 — better—
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size99 MB5 MB
Age rating4+4+
DeveloperALEXEY KOZLOVGrima Hdez

Bugs and requests

Angle Meter 360

Reported bugs

12 issues
  • App freezes and becomes unresponsive
  • Ads hang and cannot be closed
  • Settings reset to defaults upon app restart
  • Landscape mode not functioning properly
  • App crashes after iOS updates
Show 7 more
  • Ads display in different languages making them hard to close
  • Saved documents inaccessible
  • Ad-free purchase still shows ads
  • Camera image differs from captured image
  • Difficulty rotating to landscape orientation
  • Gray screen display issue
  • Ads with misleading content (fake memory alerts)

Requested features

18 requests
  • Persistent default settings across app sessions
  • Decimal degree format option (without results window requirement)
  • Level indicator for device alignment
  • Crosshairs on measurement points for precision
  • Offset cursor to avoid finger blocking the point
Show 13 more
  • Ability to move text display to different locations
  • Split-screen/multitasking mode support
  • Larger loupe magnification window
  • Distance measurement capability
  • Ability to save and access saved documents
  • Front-facing camera support
  • Vertical and horizontal alignment guides
  • Angle presets (90°, 180°, 270°, 360°)
  • Adjustable font size and thickness
  • Measurement units in different formats (mills, gon, etc.)
  • Ability to input specific angle values directly
  • Better video tutorial with adjustable playback speed
  • Add notes/names to angle measurements

Rigging Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Angle Meter 360

One-time1
  • Remove Ads$4.99
4 purchases

Rigging Calculator

Subscriptions3
  • Pro Weekly$0.997 Days
  • RigMaster Pro Monthly$2.991 Month
  • Pro Yearly$19.991 Year
One-time1
  • RigMaster Pro$39.99

Questions

Is Angle Meter 360 free?
Angle Meter 360 is free to download, with in-app purchases available.
Is Rigging Calculator free?
Rigging Calculator is free to download, with in-app purchases available.
Do Angle Meter 360 or Rigging Calculator have ads?
Both Angle Meter 360 and Rigging Calculator show ads.
Which is updated more often, Angle Meter 360 or Rigging Calculator?
Angle Meter 360 ships an update every 3 months, and Rigging Calculator every 2 weeks. Most recently, Angle Meter 360 was updated on November 13, 2026 and Rigging Calculator on November 13, 2026.

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