Comparison

PrefixCalc vs KuCalc3

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

Head to head
About

PrefixCalc

Features
Read full description

This calculator supports Metric‑prefix such as kilo and giga. The calculator supports quetta (10^30) and quecto (10^-30), which were added in 2022. Main Functions ・Support for arithmetic operations (+ - ×÷) ・Results converted to Japanese numerals for display ・Delete one character at a time with the "DEL" button  Press and hold to delete all ・Press and hold to copy calculation formulas and results  English (Short scale, Long scale) and  Chinese numerals can also be selected. ・Calculations that include prefixes such as 2M+1k, 2M×1μ, etc. Note: ・Very large numbers that exceed 200 digits may be rounded off for display and calculation purposes.  Please note this when precision is required. ・Short scale and Long scale are currently supported up to 10^198. ・Kanji notation is supported up to 10^72.  If it is greater than the number, it will be displayed in Arabic numerals.

About

KuCalc3

Features
Read full description

KuCalc3は、計算履歴を端末内に自動保存し、結果をすぐ再利用できるiPhone/iPad向け電卓です。 主な機能 ・四則演算、パーセント計算 ・税率を設定できる+Tax / -Tax ・計算式と結果を自動保存する履歴 ・履歴をタップして結果を再利用 ・よく使う履歴の先頭移動、個別削除、全削除 ・計算結果や式を書き留められるメモパッド ・Black、White、i Color、Candy、Cat、Orangeの6テーマ ・Round、Floor、Ceilによる丸め ・PUSH / POPで使える一時値スタック ・iPhoneとiPadの縦向き・横向きに対応 ・iPadでは電卓と履歴を並べる2ペイン表示 アカウント登録やネットワーク接続なしで、日常の計算をすぐに始められます。 履歴、メモ、税率、テーマ設定は端末内に保存されます。計算内容を外部サーバーへ送信せず、広告や利用状況分析も使用しません。 毎日の買い物、割り勘、消費税の確認など、あとで見返したい計算にKuCalc3をご活用ください。

Screenshots

PrefixCalc2 screens
KuCalc34 screens

Verdict

The call

The clearest difference is iOS requirement: PrefixCalc at 12.0 against KuCalc3's 15.0. 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.

Scorecard1 real difference · 5 level
PrefixCalc versus KuCalc3: the parameters behind the verdict, then further details
ParameterPrefixCalcKuCalc3
PriceFreeFree
Update frequency—Daily
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size28 MB19 MB
Age rating4+4+
DeveloperYONAGARE LABMineaki Sakatoku

In-app purchases

None

PrefixCalc

No in-app purchases

None

KuCalc3

No in-app purchases

Questions

Is PrefixCalc free?
PrefixCalc is free to download, with no in-app purchases.
Is KuCalc3 free?
KuCalc3 is free to download, with no in-app purchases.
Do PrefixCalc or KuCalc3 have ads?
Neither PrefixCalc nor KuCalc3 shows ads.

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