Comparison

Patterns Calc vs しろにゃん電卓

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

Head to head
About

Patterns Calc

This app offers a customizable calculator with various visual styles and one-handed operation. It includes features for tax calculations, memo functions, and easy sharing of results. Users can personalize the appearance and layout for a more efficient calculation experience.

Highlights
  • Customizable visual styles
  • One-handed mode
  • Tax calculation with drag-and-drop
  • Dual memo functions
  • Easy screenshot sharing
  • iPad compatibility
Features
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— Features of Patterns Calc — — Premium Features— ◉ One-handed mode ◉ Change Patterns as many times as you want ◉ Change the Patterns automatically ◉ Drag and drop the "Memo" button for easy calculation. ◉ Two memo function — free Features — ◉ Drag-and-drop the "%" button to easily change the value to include tax. ◉ You can change the Patterns after see the reward ads ◉ Share your screenshot easily ◉ Many styles to choose ◉ Easy to read numbers ◉ Easy to press buttons ◉ Easy one memo function ◉ iPad compatible! ◉ Swipe right to correct. ◉ Swipe left to correct a single number. ◉ Change button color from black ⇄ white. ◉ Switch between "+", "-", "×", "÷" as many times as you like even if you make a mistake What you can't do The calculation method is not a "formula" method. The calculation method is not an "equation" method. The calculation is done in order, so「 x, ÷」 is not calculated first until you press "=" exsample is ( 10 + 20) × 3 = 90. Maximum numbers will be performed up to 9,999,999,999 or -9,999,999,999 to damage the screen design ■■ Paid version ■■ Paid version has no ads and all functions are open! ・Memo becomes two. ・You can drag and drop memos and use them for calculations. ・You can enjoy changing the style in three modes "Preferred" "Every time I start it" and "Once a day" ・You will be able to use a simple "one-handed calculator" by simply sliding it. ●Restore Your Purchases You can restore your purchases when you changed your iOS devices or reinstalled the app from [Restore Purchases] in the Settings -> Upgrade. Please note that you need to login to your iTunes settings in the iOS -> iTunes with the same Apple ID you used before. ●Manage or Cancel Go to Settings > [your name] > iTunes & App Store. Tap your Apple ID at the top of the screen. Tap View Apple ID. You might need to sign in or use Touch ID. https://support.apple.com/en-us/HT202039 ●Payment will be charged to your Apple ID account at the confirmation of purchase. ●The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. ●Your account will be charged for renewal within 24 hours prior to the end of the current period. ●You can manage and cancel your subscriptions by going to your App Store account settings after purchase. ●You will not be able to cancel the subscription once activated. ●Privacy Policy and Term of Use https://www.patternscalc.com/2021/05/privacy-policy-body-font-family.html We have also created a pattern-themed calculator called Patterns Calc, so you can choose the one you like best. More info ◉ satomic apps web site https://satomic.net ◉ satomic twitter twitter https://twitter.com/satomic13 ◉ Developer's Twitter https://twitter.com/HikaruSatomi1

About

しろにゃん電卓

A cute and simple calculator app that makes everyday calculations fun with charming character animations. It handles basic arithmetic, tax, and discount calculations, with a clear display and helpful features like calculation history and haptic feedback.

Highlights
  • Basic arithmetic operations
  • Tax and discount calculations
  • Calculation history
  • Large, easy-to-read display
  • Character animations on button press
  • Haptic feedback and VoiceOver support
Features
Read full description

毎日の計算を、しろにゃんといっしょに。 「しろにゃん電卓」は、かわいくて使いやすいシンプルな電卓・計算機アプリです。 足し算・引き算・掛け算・割り算はもちろん、税込・税抜計算や割引計算にも対応。 お買い物や日常のちょっとした計算を、すぐに始められます。 ボタンを押すと、しろにゃんや仲間たちのイラストがかわいく反応。 便利な電卓に、ちょっとだけ楽しい時間を加えました。 【主な機能】 ■ シンプルな電卓 足し算・引き算・掛け算・割り算など、日常で使う基本的な計算に対応しています。 ■ 税込・税抜計算 10%の消費税に対応。商品の税込価格や税抜価格を簡単に計算できます。 ■ 割引計算 「20%OFFならいくら?」といった、お買い物中の割引価格を簡単に計算できます。 ■ 計算履歴 計算結果を履歴で確認できます。履歴は1件ずつ削除したり、まとめてリセットしたりできます。 ■ 大きく見やすい表示 数字や計算結果を見やすく表示。長い計算式は横スクロールで確認できます。 ■ しろにゃんたちが反応 ボタンを押すたびにキャラクターのイラストが切り替わり、計算の時間を楽しく彩ります。 ■ 操作時の振動・VoiceOver対応 ボタン操作がわかりやすい軽い振動と、数字・演算子・計算結果の読み上げに対応しています。 【背景・キャラクターの着せ替え】 昼・夜の背景と、しろにゃん・わんこは無料で使えます。 買い切りオプションを購入すると、すべての背景とキャラクターが解放されます。 購入の復元にも対応しています。 【広告なし・ログイン不要】 広告は表示されません。アカウント登録やログインも必要ありません。 個人情報の収集も行いません。 シンプルだけど、ちょっとかわいい。 お買い物や毎日の計算に気軽に使える、しろにゃんの電卓です。

Screenshots

Patterns Calc3 screens
しろにゃん電卓1 screens

Verdict

The call

The clearest difference is ads: しろにゃん電卓 at none against Patterns Calc's shown. Patterns Calc's advantage is review sentiment (100% vs 67%) and update cadence (every 3 weeks vs every 30 months). On price, in-app purchases, monetization model 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. Patterns Calc sells 2 in-app purchases, starting at $0.99 per month and しろにゃん電卓 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Patterns Calc ships an update every 3 weeks, しろにゃん電卓 every 30 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Patterns Calc versus しろにゃん電卓: the parameters behind the verdict, then further details
ParameterPatterns Calcしろにゃん電卓
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 30 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size112 MB2 MB
Age rating4+4+
DeveloperHikaru SatomiNoshi.corporation

Customer experience

Patterns Calc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

しろにゃん電卓

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

2 purchases

Patterns Calc

Subscriptions2
  • Premium Plan$0.991 Month
  • Premium Plan$7.491 Year
1 purchases

しろにゃん電卓

One-time1
  • 限定解除$1.99

Questions

Is Patterns Calc free?
Patterns Calc is free to download, with in-app purchases available.
Is しろにゃん電卓 free?
しろにゃん電卓 is free to download, with in-app purchases available.
Do Patterns Calc or しろにゃん電卓 have ads?
Patterns Calc shows ads; しろにゃん電卓 does not.
Which is updated more often, Patterns Calc or しろにゃん電卓?
Patterns Calc ships an update every 3 weeks, and しろにゃん電卓 every 30 months. Most recently, Patterns Calc was updated on November 3, 2026 and しろにゃん電卓 on October 30, 2026.

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