Comparison

Calta vs Minimum Calc

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

Head to head
About

Calta

This calculator app offers advanced features like equation display, calculation history, and redo/undo functionality for easier use. Customize backgrounds and button shapes, and perform tax calculations with adjustable rates. It supports up to 20 digits and respects order of operations.

Highlights
  • Equation display
  • Calculation history
  • Redo and Undo functions
  • Customizable background
  • Customizable button shape
  • Tax calculation
  • Order of operations support
Features
Read full description

Caltaでは、履歴の再利用・RedoやUndoなど独自の機能を持っていますが、使い方は簡単でこれらの機能は電卓をより便利にしてくれます。 Caltaには四則演算に加え様々な優れた機能があります。 ・数式が表示される ・履歴リスト ・好きな背景に変更 ・ボタンの形状を変更 ・税計算ができる ・演算の優先順位を考慮:例)「1 - 2 × 3 = -5」 ・最大で20桁の有効桁数 ・数式のRedo, Undo 【履歴リスト】 「時計マークの履歴ボタン」を押すことで、過去の計算を閲覧することができます。それぞれの計算をタップすることで「数式の答え」をペーストできます。また、長押しすることで「数式のペースト」「名前の変更」ができます。 【背景の変更】 「歯車マークの設定ボタン」「背景を変更」からフォトライブラリの画像から好きな画像を選択することができます。また、一部分のみをくり抜くことができます。 【ボタンの形状を変更】 「歯車マークの設定ボタン」「ボタンの形状を四角にする」からボタンの形状を丸と四角に切り替えることができます 【税計算】 「税」ボタンを押すことで「税込」、長押しすることで「税抜」の計算ができます。また、設定から税率を8%と10%に切り替えられます。 【数式のRedo, Undo】 左右の矢印を押すことで、数式を一個前の状態に戻したり進めたりすることができます。

About

Minimum Calc

A versatile calculator app offering extensive customization for calculations and appearance. It features a history log, multiple rounding options, and supports split-screen multitasking on iPads.

Highlights
  • History display and reuse
  • Customizable rounding and decimal places
  • Thousands separator and decimal symbol options
  • Percentage calculation
  • Character and block deletion
  • 10 color and 68 font options
  • iPad split view/slide-over support
Features
Read full description

This is a useful calculator application with a variety of special functions such as history display, save, swipe to clear, and switch between calculation modes. There are 10 colors and 68 fonts to choose from. It also supports split view and slide-over, so it is recommended not only for iPhone users but also for iPad users. The basic specifications are as follows. [ Calculation Function ] - The number of decimal places is from 0 to 20 - Selectable rounding off, rounding up or down - Changing thousands separator and decimal symbol - Saving calculation history and reusing of history results - Approximate value representation - Percentage (%) calculation - Deletion of character and block units - Switching between calculation modes [ Appearance ] - Selectable from 10 types of colors - Selectable from 68 character fonts - Change of various display options [ Others ] - iPad split view/slide-over support - Dark mode support - Haptic feedback ON / OFF - Key sound ON / OFF

Screenshots

Calta4 screens
Minimum Calc4 screens

Verdict

The call

The clearest difference is in-app purchases: Calta at none against Minimum Calc's 1. Calta also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (11.0 vs 13.0). On price, ads 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. Minimum Calc sells 1 one-off in-app purchase. Calta asks for nothing beyond the download.

UpkeepUpdate frequency

Calta ships an update every 3 days, Minimum Calc every 2 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
Calta versus Minimum Calc: the parameters behind the verdict, then further details
ParameterCaltaMinimum Calc
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 3 days — betterEvery 2 months
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better13.0
Further details — not scored
Size23 MB7 MB
Age rating4+4+
DeveloperHiroki OkaMihoko Araki

Customer experience

Calta

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Minimum Calc

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calta

No in-app purchases

1 purchases

Minimum Calc

One-time1
  • No Ads$1.99

Questions

Is Calta free?
Calta is free to download, with no in-app purchases.
Is Minimum Calc free?
Minimum Calc is free to download, with in-app purchases available.
Do Calta or Minimum Calc have ads?
Both Calta and Minimum Calc show ads.
Which is updated more often, Calta or Minimum Calc?
Calta ships an update every 3 days, and Minimum Calc every 2 months. Most recently, Calta was updated on October 6, 2026 and Minimum Calc on October 4, 2026.

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