Comparison

Codex Calc vs 桃うさ電卓 〜かわいい計算機アプリ〜

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

Head to head
About

Codex Calc

This app offers a powerful yet intuitive calculator experience with a variety of modes including scientific, unit conversion, and tip calculation. It features a customizable interface and a detailed history tape for all your calculations.

Highlights
  • Full scientific calculator functions
  • Unit converter
  • Tip calculator
  • RPN mode
  • History tape
  • Customizable interface
  • Multiple visual themes
Features
Read full description

Codex Calc is the calculator for the rest of us: easy and intuitive, without sacrificing power and capabilities. Calculator • Unit Converter • Tip Calculator • RPN Mode • Full Scientific • History Tape All the power you need, wrapped in a beautifully designed interface that's simple without being simplistic. ADAPTS TO YOU Do you like big buttons, or small? Like minimalist interfaces, or are you a fan of bright and flashy? Prefer small fonts to see more detail, or big text and easy to read buttons? Codex Calc adapts itself to the way *you* like to work. FEATURES Everything you'd expect, plus: • History tape records all entries and calculations • Full suite of standard and scientific calculator functions • Unit conversion mode for forward and reverse conversions • Full tip calculator mode - taxes, tip, per-person amounts • RPN mode fully integrated • Rotation lock and sound on/off toggles • Seven different professionally designed visual themes • Multi-number memory and full set of memory-store operators • Full control over history tape font size • Single and multiple-line history tape formats • Large and small button sizes • Settings for customization (number formatting, behavior of clear key, display of calculation details, much more) Calculations: • Trig functions in degrees and radians • Log and power/exponentials • Scientific notation / exponent mode • Rounding and truncating • Random number generation • Parenthesis and sub-expressions ...and more! INTUITIVE TOUCH INTERFACE Take full advantage of your device's capabilities: • Overlays - rather than making buttons smaller to fit more, Codex Calc uses intuitive overlays on the existing buttons. • Popup Menus - hidden until you need them, pop-up context menus give you more power when the default action isn't quite what you need. • Zoomable History Tape - Tap the history tape to expand for more detail, change the font size, copy contents to clipboard, or forward as an email. View as single-lines to save space, or use multi-line view for more detail. • Multiple Flexible Layouts - Portrait and landscape, large and small buttons, and seven different graphical themes. • Easy-Touch Everything - Codex Calc's entire design approach revolves around "touch to activate." Tap the tape to see it bigger, swipe to scroll, long-press a button for more options, tap the display to copy or paste, etc.

About

桃うさ電卓 〜かわいい計算機アプリ〜

Features
Read full description

桃から生まれた可愛いウサギちゃんが、電卓になりました! しかも、かわいいうえに、結構高性能です。 ●割引計算が簡単にできます ショップで割引商品があった場合に、割引機能を使えば簡単に割り引けます。 <使い方>(3560円の25%引きの場合) 3560 [割ボタン] 25 = 2670(円) ※小数点以下は切り捨てにしております。 ●簡単な税込み表示 主婦に嬉しい、税込み計算機能付き スーパーでも買いもので役に立ちます! <使い方>(1000円の税込価格の場合) 1000 [税ボタン」 = 1080(円) ●どこまでも戻れる計算履歴 計算の途中経過が表示され、押し間違えても戻れる機能付き 間違えて違う数字を入力してしまっても大丈夫です! ●便利な保存&呼出し機能 計算結果を保存したり、呼出しできる便利な機能付き 2つの計算を別々でしたいときに大変役に立ちます! ●かわいいアクション ボタンをタッチしたときの桃うさのアクションが可愛い お子様も遊び感覚で計算機を触れます! ●お子様の算数のお勉強に 桃うさんアクションが可愛いので、小さいお子様も楽しく計算が身につきます 年齢を問わず、誰にでも使いやすい計算機アプリです。

Screenshots

Codex Calc4 screens
桃うさ電卓 〜かわいい計算機アプリ〜4 screens

Verdict

The call

The clearest difference is price: 桃うさ電卓 〜かわいい計算機アプリ〜 at Free against Codex Calc's $0.99. 桃うさ電卓 〜かわいい計算機アプリ〜 also leads on update cadence (every 5 weeks vs every 6 months) and iOS requirement (7.0 vs 12.0). Codex Calc's advantage is ads (none vs shown) and review sentiment (100% vs 83%). On 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

桃うさ電卓 〜かわいい計算機アプリ〜 is free to download; Codex Calc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Codex Calc ships an update every 6 months, 桃うさ電卓 〜かわいい計算機アプリ〜 every 5 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

Scorecard5 real differences · 5 level
Codex Calc versus 桃うさ電卓 〜かわいい計算機アプリ〜: the parameters behind the verdict, then further details
ParameterCodex Calc桃うさ電卓 〜かわいい計算機アプリ〜
Price$0.99Free — better
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews — better83.3% of reviews
Number of ratings1 — better—
Update frequencyEvery 6 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.07.0 — better
Further details — not scored
Size11 MB15 MB
Age rating4+4+
DeveloperDriftwood Studio Software LLCTAKASHI ONOMURA

Customer experience

Codex Calc

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

桃うさ電卓 〜かわいい計算機アプリ〜

Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

None

Codex Calc

No in-app purchases

None

桃うさ電卓 〜かわいい計算機アプリ〜

No in-app purchases

Questions

Is Codex Calc free?
Codex Calc costs $0.99, with no in-app purchases.
Is 桃うさ電卓 〜かわいい計算機アプリ〜 free?
桃うさ電卓 〜かわいい計算機アプリ〜 is free to download, with no in-app purchases.
Do Codex Calc or 桃うさ電卓 〜かわいい計算機アプリ〜 have ads?
桃うさ電卓 〜かわいい計算機アプリ〜 shows ads; Codex Calc does not.
Which is updated more often, Codex Calc or 桃うさ電卓 〜かわいい計算機アプリ〜?
Codex Calc ships an update every 6 months, and 桃うさ電卓 〜かわいい計算機アプリ〜 every 5 weeks. Most recently, Codex Calc was updated on October 6, 2026 and 桃うさ電卓 〜かわいい計算機アプリ〜 on October 3, 2026.

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