Comparison

ProjectorCalc vs My Cloud Audio Player

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

Head to head
About

ProjectorCalc

This utility app helps lighting technicians and projectionists calculate projected image dimensions. It determines image width, height, diagonal length, brightness, area, and pixel density based on projector and location details. It also estimates keystone distortion.

Highlights
  • Calculate image width, height, and diagonal length
  • Determine brightness in Nits
  • Calculate total projected area
  • Compute pixels per inch
  • Estimate keystone distortion
Features
Read full description

Winner of the 2010 Live Design Projection Product of the Year - Software/App Category ProjectorCalc is a program for professional lighting technicians and projectionists. Its primary purpose is to determine the size of a projected image given various information about the projector and it's location. ProjectorCalc allows users to enter details for a projector and its location in relation to a projection surface. ProjectorCalc will calculate image width, image height, diagonal length, brightness in Nits, total projected area, and how many pixels per inch the projected image will be. Additionally, ProjectorCalc can give you an estimate of how much keystone distortion will occur by calculating the length of each side of the distorted image.

About

My Cloud Audio Player

Features
Read full description

Audio Player for iCloud drive. A user should have iCloud account. You can make play list from iCloud drive by selecting files or all files in the folder, then can play it. There are some useful functions such as speed control or play repeatedly by selecting start point and end point.

Screenshots

ProjectorCalc3 screens
My Cloud Audio Player3 screens

Verdict

The call

The clearest difference is price: My Cloud Audio Player at Free against ProjectorCalc's $2.99. My Cloud Audio Player also leads on update cadence (every 2 months vs every 49 months). ProjectorCalc's advantage is in-app purchases (none vs 1) and iOS requirement (9.2 vs 15.0). On 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

My Cloud Audio Player is free to download; ProjectorCalc costs $2.99 up front. My Cloud Audio Player sells 1 one-off in-app purchase. ProjectorCalc asks for nothing beyond the download.

UpkeepUpdate frequency

ProjectorCalc ships an update every 49 months, My Cloud Audio Player every 2 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
ProjectorCalc versus My Cloud Audio Player: the parameters behind the verdict, then further details
ParameterProjectorCalcMy Cloud Audio Player
Price$2.99Free — better
Rating5.0 (2 ratings) — better—
Positive reviews37.5% of reviews—
Number of ratings2 — better—
Update frequencyEvery 49 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.2 — better15.0
Further details — not scored
Size10 MB4 MB
Age rating4+4+
DeveloperD!HV LightingWontai Ki

In-app purchases

None

ProjectorCalc

No in-app purchases

1 purchases

My Cloud Audio Player

One-time1
  • Remove Ads$0.99

Questions

Is ProjectorCalc free?
ProjectorCalc costs $2.99, with no in-app purchases.
Is My Cloud Audio Player free?
My Cloud Audio Player is free to download, with in-app purchases available.
Do ProjectorCalc or My Cloud Audio Player have ads?
Neither ProjectorCalc nor My Cloud Audio Player shows ads.
Which is updated more often, ProjectorCalc or My Cloud Audio Player?
ProjectorCalc ships an update every 49 months, and My Cloud Audio Player every 2 months. Most recently, ProjectorCalc was updated on October 7, 2026 and My Cloud Audio Player on October 16, 2026.

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