Comparison

Calculator on Watch vs 計算機 +読み上げたり式や履歴が見える

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

Head to head

Calculator on Watch

Calculate Everywhere On Wrist

$0.99

🔧 Utilities

★ 4.01 ratingsView app →

About

Calculator on Watch

A straightforward and functional calculator designed for smartwatches. It offers a simple, user-friendly interface for quick calculations directly on your wrist.

Highlights

Simple interface
Easy to use
Highly functional
Beautiful design
On-wrist calculations

Features

Read full description

The best smart calculator on Apple Watch! It is simple, easy to use, highly function and beautiful!!

About

計算機 +読み上げたり式や履歴が見える

Features

Read full description

計算過程がみれるので、より確実な計算が可能な計算機です。計算履歴からは任意の計算結果の集計等が可能です。読み上げ機能もあるので教育にも向いていそうです。振動機能はバイブ機能ありの端末のみ対応。 ■このアプリでの計算結果について、正確性を保証はいたしません。また、このアプリの利用によって発生した損害、損失等に対し一切の責任をおいませんので予めご了承ください。

Screenshots

Calculator on Watch2 screens

計算機 +読み上げたり式や履歴が見える3 screens

Verdict

The call

The clearest difference is price: 計算機 +読み上げたり式や履歴が見える at Free against Calculator on Watch's $0.99. 計算機 +読み上げたり式や履歴が見える also leads on update cadence (every 8 days vs every 17 months) and iOS requirement (9.0 vs 12.0). On 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

CostPrice · In-app purchases · Ads · Monetization

計算機 +読み上げたり式や履歴が見える is free to download; Calculator on Watch costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Calculator on Watch ships an update every 17 months, 計算機 +読み上げたり式や履歴が見える every 8 days. The most recent releases landed on October 29, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level

Calculator on Watch versus 計算機 +読み上げたり式や履歴が見える: the parameters behind the verdict, then further details
Parameter	Calculator on Watch	計算機 +読み上げたり式や履歴が見える
Price	$0.99	Free — better
Rating	4.0 (1 ratings) — better	—
Positive reviews	25.0% of reviews	—
Number of ratings	1 — better	—
Update frequency	Every 17 months	Every 8 days — better
Ads	No	No
In-app purchases	No	No
Monetization	Paid	—
Devices	iPhone, iPod, Apple Watch	iPhone, iPad, iPod
Requires iOS	12.0	9.0 — better
Further details — not scored
Size	17 MB	21 MB
Age rating	4+	4+
Developer	Sing Fu Chan	Mamoru Yano

In-app purchases

None

Calculator on Watch

No in-app purchases

None

計算機 +読み上げたり式や履歴が見える

No in-app purchases

Questions

Is Calculator on Watch free?

Calculator on Watch costs $0.99, with no in-app purchases.

Is 計算機 +読み上げたり式や履歴が見える free?

計算機 +読み上げたり式や履歴が見える is free to download, with no in-app purchases.

Do Calculator on Watch or 計算機 +読み上げたり式や履歴が見える have ads?

Neither Calculator on Watch nor 計算機 +読み上げたり式や履歴が見える shows ads.

Which is updated more often, Calculator on Watch or 計算機 +読み上げたり式や履歴が見える?

Calculator on Watch ships an update every 17 months, and 計算機 +読み上げたり式や履歴が見える every 8 days. Most recently, Calculator on Watch was updated on October 29, 2026 and 計算機 +読み上げたり式や履歴が見える on October 6, 2026.