一発修正君 vs Trigonometric Calculation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
一発修正君
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回転機器のセンターリングの修正に役立ちます。 無料で、面倒な計算もしなくて済みます。 仕上げ屋さんには、嬉しいツールです。 現状の状態も数値入力時に画像にて確認できます。 色々なパターンの測定方法と計算に対応しました。 ベースが複数の場合の計算にも対応しました。 英語表記を追加しました。
Trigonometric Calculation
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This is a calculation application for finding angles and side lengths of triangles. 1 We would appreciate a review if there are any problems such as calculation glitches. 2 I hope you will use this application for simple calculations. Please understand that we cannot be held responsible for any impact or disadvantage related to the quality of production activities caused by the calculations in this application.
Screenshots
Verdict
The clearest difference is ads: 一発修正君 at none against Trigonometric Calculation's shown. Trigonometric Calculation's advantage is update cadence (every 6 weeks vs every 11 months). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.
一発修正君 ships an update every 11 months, Trigonometric Calculation every 6 weeks. The most recent releases landed on October 26, 2026 and October 13, 2026 respectively.
| Parameter | 一発修正君 | Trigonometric Calculation |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 11 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 6 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | yoshida kogyo,y.k. | Risako Asai |
In-app purchases
一発修正君
No in-app purchases
Trigonometric Calculation
No in-app purchases
Questions
Is 一発修正君 free?
Is Trigonometric Calculation free?
Do 一発修正君 or Trigonometric Calculation have ads?
Which is updated more often, 一発修正君 or Trigonometric Calculation?
Other comparisons
