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.
PrefixCalc
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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.
コラッツ計算機|数列シミュレーター
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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
Verdict
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
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.
| Parameter | PrefixCalc | コラッツ計算機|数列シミュレーター |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 28 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | YONAGARE LAB | Kenji Yanase |
In-app purchases
PrefixCalc
No in-app purchases
コラッツ計算機|数列シミュレーター
- プレミアム$0.49
Questions
Is PrefixCalc free?
Is コラッツ計算機|数列シミュレーター free?
Do PrefixCalc or コラッツ計算機|数列シミュレーター have ads?
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