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.
工場電卓
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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!!
My Screen Protractor
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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
Verdict
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
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.
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.
| Parameter | 工場電卓 | My Screen Protractor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 13 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 2 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Tashiro Iron Works Co.,Ltd. | mintaek lee |
In-app purchases
工場電卓
- 工場電卓 広告非表示$0.99
- 座標・角度計算機能パック$0.99
My Screen Protractor
No in-app purchases









