Kot Tra vs FIN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kot Tra
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Kot Tra is a simple and powerful expense tracker designed to help you manage your money with confidence. - Track income, expenses, and transfers - Manage multiple accounts (cash, bank, wallet) - Support multiple currencies with exchange rates - Fully offline – your data stays on your device - Smart filters by date, account, and type - Backup & export your data anytime - Clean, modern, and easy-to-use design Your privacy comes first. Kot Tra does NOT collect personal data, does NOT require an account, and does NOT send data to any server. Premium option: Upgrade to Premium to remove ads and enjoy a clean experience. Whether you want to control daily spending or manage multiple accounts, Kot Tra helps you stay organized and in control of your finances.
FIN
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FIN helps you settle group travel expenses in minutes. Know exactly who pays whom, even when multiple currencies are involved. Add payments, choose who paid and who joined, and FIN will calculate who should pay whom. It helps reduce the number of transfers and makes it easier to share the result with your group. Mixed currencies are supported by setting exchange rates for each trip. You can also choose the base currency for each trip, such as JPY, USD, EUR, or THB. Amounts are converted and organized clearly, so post-trip settlement is easier to understand. Main features: ・Split expenses among selected members ・Choose who paid and who joined each payment ・Choose a base currency for each trip ・Use multiple currencies with custom rates ・Set fixed amounts when someone pays more ・Calculate who should pay whom ・Copy and share the settlement result ・Save members and reuse them more easily with FIN Plus FIN is designed to stay simple. No login is required, and your data is stored on your device.
Screenshots
Verdict
The clearest difference is in-app purchases: Kot Tra at none against FIN's 2. FIN's advantage is update cadence (every 4 days vs every 2 months). On price, ads, 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
Both are free to download. FIN sells 2 one-off in-app purchases. Kot Tra asks for nothing beyond the download.
Kot Tra ships an update every 2 months, FIN every 4 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.
| Parameter | Kot Tra | FIN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 20 MB | 20 MB |
| Age rating | 9+ | 4+ |
| Developer | Sapirin Soprey | Yasumi Abe |
In-app purchases
Kot Tra
No in-app purchases
FIN
- FIN Plus 5回パック$3.99
- App Storeや購入画面向け。ローカリゼーションで設定。$6.99









