Comparison

工場電卓 vs My Screen Protractor

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

Head to head
About

工場電卓

Features
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様々な加工技術を要する工場現場で必要な計算ができる優れた工場電卓。 ありそうでなかった便利な機能満載です。 [シンプル電卓] -電卓演算モード(1+2×3=9) -四則演算モード(1+2×3=7) [NCフライス関連機能パック] -スキャロップからXYピッチを計算 -XYピッチからスキャロップを計算 -1刃辺りの送り量を計算 -送り速度を計算 -切削速度から回転数を計算 -回転数から切削速度を計算 [座標・角度計算機能パック(有料、お試し5回つき)] -座標から角度を計算 -半径と角度からXY座標を計算 -角度変換 角度(°)-角度(度分秒) 座標・角度計算機能パックは、アプリ内購入が必要です。 また、計算した履歴を残すことができます。 バージョンアップにて新しい計算が続々登場する予定です。 乞うご期待!!

About

My Screen Protractor

Features
Read full description

Measure angles on your screen with a simple touch. No physical protractor needed — get precise angle measurements anytime, anywhere. 【Touch-Based Angle Measurement】 Tap to set the vertex point, then draw two lines by dragging. The angle is calculated automatically. Intuitive controls make it easy for anyone to use. 【Real-Time Angle Display】 See the angle update in real time as you draw. A visual arc and label clearly show the measured angle with one decimal place precision. 【Clean Grid Background】 A grid overlay helps you align lines and better visualize angles at a glance. 【Dark Mode Support】 Switch to dark mode for comfortable use in any lighting condition. 【Multi-Language Support】 Available in 10 languages including English, Korean, Japanese, Chinese, and more. Perfect for architecture, interior design, DIY projects, math homework, blueprint reading, and any moment you need to measure an angle.

Screenshots

工場電卓4 screens
My Screen Protractor3 screens

Verdict

The call

The clearest difference is in-app purchases: My Screen Protractor at none against 工場電卓's 2. My Screen Protractor also leads on update cadence (weekly vs every 13 months). 工場電卓's advantage is iOS requirement (6.0 vs 13.0). On price, 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. 工場電卓 sells 2 one-off in-app purchases. My Screen Protractor asks for nothing beyond the download.

UpkeepUpdate frequency

工場電卓 ships an update every 13 months, My Screen Protractor weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 3 level
工場電卓 versus My Screen Protractor: the parameters behind the verdict, then further details
Parameter工場電卓My Screen Protractor
PriceFreeFree
Update frequencyEvery 13 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better13.0
Further details — not scored
Size2 MB21 MB
Age rating4+4+
DeveloperTashiro Iron Works Co.,Ltd.mintaek lee

In-app purchases

2 purchases

工場電卓

One-time2
  • 工場電卓 広告非表示$0.99
  • 座標・角度計算機能パック$0.99
None

My Screen Protractor

No in-app purchases

Questions

Is 工場電卓 free?
工場電卓 is free to download, with in-app purchases available.
Is My Screen Protractor free?
My Screen Protractor is free to download, with no in-app purchases.
Do 工場電卓 or My Screen Protractor have ads?
Neither 工場電卓 nor My Screen Protractor shows ads.
Which is updated more often, 工場電卓 or My Screen Protractor?
工場電卓 ships an update every 13 months, and My Screen Protractor weekly. Most recently, 工場電卓 was updated on November 1, 2026 and My Screen Protractor on October 31, 2026.

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