Smart割り勘 vs tatetsu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart割り勘
This app simplifies splitting bills for various social gatherings, from casual get-togethers to formal events. It allows for flexible calculations, including preferential treatment for certain individuals and detailed tracking of shared expenses for potluck-style events. Results can be easily shared with participants.
- Automatic bill splitting by amount and number of people
- Customizable splits for preferential treatment
- Detailed expense tracking for shared supplies
- Round-off calculations in specific denominations
- Share results via LINE or email
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割り勘の計算をスマートに解決するアプリです。 幹事さんにおすすめ！ 4つの割り勘スタイルに対応 ◆均等 - シンプルに全員で均等に割り勘。 ◆合コン - 男性・女性で負担額を変えたいときに。ステッパーで金額を細かく調整できます。 ◆グループ - 「多めに払う人」「普通に払う人」「少なめに払う人」のグループに分けて計算。グループの追加・削除・名前変更も自由自在です。 ◆宅飲み - それぞれが食材や飲み物を持ち寄った場合も対応。払った金額を入力するだけで、誰がいくら受け取る／支払うかを自動計算します。 ◆こだわりのポイント - 500円・100円・10円単位で端数を調整できます。 - 徴収額が会計金額を下回らないよう設計。お金が足りなくて慌てる心配がありません。 - 計算結果はLINEやメールでかんたんに共有できます。
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 review sentiment: Smart割り勘 at 100% against tatetsu's 50%. Smart割り勘 also leads on update cadence (every 4 months vs every 26 months). tatetsu's advantage is price (Free vs $0.99). On ads, in-app purchases, device support and iOS requirement 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
tatetsu is free to download; Smart割り勘 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Smart割り勘 ships an update every 4 months, tatetsu every 26 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.
| Parameter | Smart割り勘 | tatetsu |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Update frequency | Every 4 months — better | Every 26 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 25 MB |
| Age rating | 17+ | 4+ |
| Developer | Yasuyuki Someya | Tetsuya Nishikawa |
Customer experience
Smart割り勘
tatetsu
In-app purchases
Smart割り勘
No in-app purchases
tatetsu
No in-app purchases
