Deflector ◇ vs KuCalc3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Deflector ◇
Create custom buttons for your iPhone's Dynamic Island, Lock Screen, and Apple Watch to trigger any shortcut. On specific Japanese iPhones, utilize the Side Button for voice assistant shortcuts. Requires initial setup within the Shortcuts app.
- Dynamic Island shortcut buttons
- Lock Screen shortcut buttons
- Apple Watch shortcut buttons
- Voice assistant shortcuts (Japan)
- Shortcuts app integration
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With Deflector, you can add buttons to the Dynamic Island, Lock Screen and Apple Watch to run any shortcut. On supported iPhones in Japan, you can use your preferred voice assistant using shortcuts with the Side Button. To use Deflector, you need to set up an automation in the Shortcuts app. The automation is available within the app.
KuCalc3
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KuCalc3は、計算履歴を端末内に自動保存し、結果をすぐ再利用できるiPhone/iPad向け電卓です。 主な機能 ・四則演算、パーセント計算 ・税率を設定できる+Tax / -Tax ・計算式と結果を自動保存する履歴 ・履歴をタップして結果を再利用 ・よく使う履歴の先頭移動、個別削除、全削除 ・計算結果や式を書き留められるメモパッド ・Black、White、i Color、Candy、Cat、Orangeの6テーマ ・Round、Floor、Ceilによる丸め ・PUSH / POPで使える一時値スタック ・iPhoneとiPadの縦向き・横向きに対応 ・iPadでは電卓と履歴を並べる2ペイン表示 アカウント登録やネットワーク接続なしで、日常の計算をすぐに始められます。 履歴、メモ、税率、テーマ設定は端末内に保存されます。計算内容を外部サーバーへ送信せず、広告や利用状況分析も使用しません。 毎日の買い物、割り勘、消費税の確認など、あとで見返したい計算にKuCalc3をご活用ください。
Screenshots
Verdict
The clearest difference is update cadence: KuCalc3 at daily against Deflector ◇'s every 2 weeks. KuCalc3 also leads on iOS requirement (15.0 vs 27.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Deflector ◇ ships an update every 2 weeks, KuCalc3 daily. Both last shipped on October 31, 2026.
| Parameter | Deflector ◇ | KuCalc3 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 27.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Cizzuk Shihu | Mineaki Sakatoku |
In-app purchases
Deflector ◇
No in-app purchases
KuCalc3
No in-app purchases









