FIN vs DYAX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
DYAX
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DYAX - Real-Time Paper Trading & Live News
Screenshots
Verdict
The clearest difference is in-app purchases: DYAX at none against FIN's 2. DYAX also leads on update cadence (daily vs every 4 days). FIN's advantage is iOS requirement (13.0 vs 15.1). On price, ads 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. FIN sells 2 one-off in-app purchases. DYAX asks for nothing beyond the download.
FIN ships an update every 4 days, DYAX daily. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | FIN | DYAX |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 20 MB | 13 MB |
| Age rating | 4+ | 17+ |
| Developer | Yasumi Abe | CHAN HYUK LEE |
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
DYAX
No in-app purchases









