ReadableCalc vs Flex Counter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReadableCalc
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ReadableCalc is a calculator app that displays large numbers—like 3 trillion 500 billion—in readable units. It’s designed to make extremely large numbers more intuitive at a glance. Main Features • Supports four basic operations (+, −, ×, ÷) • Displays results in English numeric units for easy readability • Handles decimals and negative numbers • DEL button for deleting one character at a time (Long press to clear the entire expression) • Long press on expressions or results to copy • Tap on the “readable” result to toggle display between: • Short scale / Long scale / Kanji numerals Additional features in landscape mode: • “00”, “000”, and “0000” buttons for quickly adding zeros • “x²” and “x³” buttons for quick exponentiation Note: • Numbers exceeding 200 digits may be rounded due to calculation and display limitations. Please be cautious if you need high precision. • Short scale and Long scale support numbers up to 10^198. • Kanji numeral display supports up to 10^72. Larger numbers are shown in Arabic numerals instead.
Flex Counter
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Flex Counterは、シンプルさと使いやすさを追求した多機能カウンターアプリです。 ■ 直感的な操作 画面の左右(または上下)をタップするだけで、カウントの増減が可能。片手でも楽に操作できます。 ■ 自由なカスタマイズ ・画面レイアウト:横分割/縦分割を選択 ・分割比率:マイナス/プラスエリアの比率を自由に調整 ・配色:お好みの色でカスタマイズ ・配置の反転:マイナス/プラスの位置を入れ替え可能 ■ 複数カウンターの管理 ・カウンターを無制限に作成 ・名前をつけて整理 ・ドラッグで並び替え ・検索機能で素早くアクセス ■ 目標設定 ・目標値を設定してプログレスバーで進捗を確認 ・目標達成時に通知でお知らせ ■ 詳細設定 ・増減値(ステップ)を変更可能(1以外の値でもカウント可能) ・リセット後の初期値を設定可能 ・触覚フィードバック対応 数取り、在庫管理、エクササイズの回数記録、読書の進捗管理、参加者のカウントなど、さまざまな用途にお使いいただけます。
Screenshots
Verdict
The clearest difference is device support: ReadableCalc at 3 against Flex Counter's —. ReadableCalc also leads on iOS requirement (12.0 vs 14.0). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ReadableCalc | Flex Counter |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | — |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 28 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | YONAGARE LAB | KEISHI TAJIMA |
In-app purchases
ReadableCalc
No in-app purchases
Flex Counter
No in-app purchases
Questions
Is ReadableCalc free?
Is Flex Counter free?
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