Comparison

Calculator∫ vs レコーダー

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

Head to head

Calculator∫

Free

🔧 Utilities

★ 4.67 ratingsView app →

About

Calculator∫

Perform calculations quickly and accurately with large buttons. Personalize the interface by selecting custom background and text colors. This straightforward utility is designed for intuitive use.

Highlights

Large buttons for easy input
Accurate calculations
Customizable background colors
Customizable text colors
Intuitive user interface

Features

Read full description

This simple calculator app is designed for ease of use. Quickly and accurately perform calculations with the large buttons. Personalize the calculator by choosing your own colors for the background and text.

About

レコーダー

Features

Read full description

スピークバディパーソナルコーチング用の音声録音アプリです。

Screenshots

Calculator∫2 screens

レコーダー2 screens

Verdict

The call

The clearest difference is update cadence: Calculator∫ at weekly against レコーダー's every 20 months. Calculator∫ also leads on iOS requirement (4.3 vs 12.2). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Calculator∫ ships an update weekly, レコーダー every 20 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level

Calculator∫ versus レコーダー: the parameters behind the verdict, then further details
Parameter	Calculator∫	レコーダー
Price	Free	Free
Rating	4.6 (7 ratings) — better	—
Positive reviews	83.8% of reviews	—
Number of ratings	7 — better	—
Update frequency	Weekly — better	Every 20 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	4.3 — better	12.2
Further details — not scored
Size	1 MB	1 MB
Age rating	4+	4+
Developer	7th Gear	SpeakBUDDY Ltd.

In-app purchases

None

Calculator∫

No in-app purchases

None

レコーダー

No in-app purchases

Questions

Is Calculator∫ free?

Calculator∫ is free to download, with no in-app purchases.

Is レコーダー free?

レコーダー is free to download, with no in-app purchases.

Do Calculator∫ or レコーダー have ads?

Neither Calculator∫ nor レコーダー shows ads.

Which is updated more often, Calculator∫ or レコーダー?

Calculator∫ ships an update weekly, and レコーダー every 20 months. Most recently, Calculator∫ was updated on November 1, 2026 and レコーダー on November 3, 2026.