Comparison

PrefixCalc vs コラッツ計算機|数列シミュレーター

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

コラッツ計算機|数列シミュレーター

Features
Read full description

コラッツ予想をシンプルに体験できる計算アプリです。 任意の自然数を入力するだけで、数列の変化を自動で計算し、わかりやすく表示します。 ■ 主な機能 ・コラッツ予想の自動計算 ・計算過程の一覧表示 ・ステップ数・最大値の表示 ・履歴保存機能(過去の計算をすぐ確認) ・計算負荷が高い場合の自動停止機能 ■ プレミアム機能 ・広告の非表示 ・計算結果のグラフ表示 ■ こんな方におすすめ ・数学や数列が好きな方 ・コラッツ予想に興味がある方 ・シンプルな計算ツールを探している方 直感的な操作で、誰でも簡単にコラッツ予想の世界を体験できます。

Screenshots

PrefixCalc2 screens
コラッツ計算機|数列シミュレーター2 screens

Verdict

The call

The clearest difference is in-app purchases: PrefixCalc at none against コラッツ計算機|数列シミュレーター's 1. PrefixCalc also leads on ads (none vs shown) and iOS requirement (12.0 vs 26.2). On price 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. コラッツ計算機|数列シミュレーター sells 1 one-off in-app purchase. PrefixCalc asks for nothing beyond the download.

Scorecard3 real differences · 3 level
PrefixCalc versus コラッツ計算機|数列シミュレーター: the parameters behind the verdict, then further details
ParameterPrefixCalcコラッツ計算機|数列シミュレーター
PriceFreeFree
Update frequency—Weekly
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better26.2
Further details — not scored
Size28 MB5 MB
Age rating4+4+
DeveloperYONAGARE LABKenji Yanase

In-app purchases

None

PrefixCalc

No in-app purchases

1 purchases

コラッツ計算機|数列シミュレーター

One-time1
  • プレミアム$0.49

Questions

Is PrefixCalc free?
PrefixCalc is free to download, with no in-app purchases.
Is コラッツ計算機|数列シミュレーター free?
コラッツ計算機|数列シミュレーター is free to download, with in-app purchases available.
Do PrefixCalc or コラッツ計算機|数列シミュレーター have ads?
コラッツ計算機|数列シミュレーター shows ads; PrefixCalc does not.

Other comparisons