appCalculator vs Touchless Countdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
appCalculator
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計算結果を記録するアプリです。 使い方は電卓と同じです。 操作方法 ［AC］：入力中の計算式、演算子、数値をクリアします。 ［+/-］：入力中の符号を変更します。 ［←］：入力中の数値を一桁消します。 ［C］：入力中の数値またか演算式をクリアします。 ［＝］：計算結果と計算式が一覧に表示されます。 ［演算］：計算結果が青文字で表示されます。 ・左上のベルマークをタップするとボタンを押した時に振動するようになります。 ・右上のゴミ箱マークをタップすると一覧が全て消すことができます。 ・一覧は最大３行表示されます。 ・一覧をタップすると演算結果が入力欄に表示されます。 ・一覧を左にスワイプすると計算式の全体表示、行の削除が行えます。
Touchless Countdown
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Countdown without touching *This app uses the proximity sensor located next to the front camera. The proximity sensor detects when your hand is close to the front camera, allowing you to operate the app without touching it. 1. Tap the button for the time (seconds) you want to count down. 2. Hold your hand near the front camera to start the countdown.
Screenshots
Verdict
The clearest difference is ads: appCalculator at none against Touchless Countdown's shown. Touchless Countdown's advantage is update cadence (fortnightly vs every 48 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.
appCalculator ships an update every 48 months, Touchless Countdown fortnightly. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.
| Parameter | appCalculator | Touchless Countdown |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 48 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 15.8.3 — better |
| Further details — not scored | ||
| Size | 0 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Masato Takahashi | Hideaki Uchikoshi |
In-app purchases
appCalculator
No in-app purchases
Touchless Countdown
No in-app purchases
Questions
Is appCalculator free?
Is Touchless Countdown free?
Do appCalculator or Touchless Countdown have ads?
Which is updated more often, appCalculator or Touchless Countdown?
Other comparisons
