R2o式わりかん電卓 vs tatetsu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
R2o式わりかん電卓
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合計金額と男女の人数を入力して「計算」ボタンをクリックするだけで、適切な男女別の集金金額を算出します。 「女性の払う額を男性よりも安くしたい」とか 「変に1円単位まで細かい額にはしたくない」とか 頭の中を駆け巡る幹事さんの悩みを解決します。 場面に応じて、適宜調整も可能。 忘年会、新年会幹事さん必携のツールです。 Version 1.0.1で操作性を改善し、1.0.2で差額算出の係数を改善し、1.0.3、1.0.4で調整機能を改善しています。 Version 1.1でアイコンを変え、Version 1.2で画面レイアウトを変更しています。
tatetsu
Easily calculate and manage shared expenses for trips or meals. This application simplifies the process of splitting bills among multiple people, clearly showing who owes what and how to settle payments.
- Split bill calculations
- Payer status tracking
- Settlement procedure guidance
- Trip expense management
- Meal expense management
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Distribution calculations of either trips or meals paid by several members is difficult, when wanting split bill. This app calculate payer statuses and settlement procedures simply.
Screenshots
Verdict
The clearest difference is update cadence: R2o式わりかん電卓 at fortnightly against tatetsu's every 26 months. R2o式わりかん電卓 also leads on iOS requirement (9.0 vs 16.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
R2o式わりかん電卓 ships an update fortnightly, tatetsu every 26 months. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.
| Parameter | R2o式わりかん電卓 | tatetsu |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| Update frequency | Fortnightly — better | Every 26 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 22 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Atsuo Kazama | Tetsuya Nishikawa |
In-app purchases
R2o式わりかん電卓
No in-app purchases
tatetsu
No in-app purchases
