Oshi vs Coteka
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oshi
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A countdown app for your oshi's special events. Features: - Countdown & count-up (track days since a memorable date) - Customize backgrounds with your favorite photos or colors - Home screen & Lock screen widgets - Live Activity (Dynamic Island / Lock screen real-time display) - Reminder notifications (on the day & days before) - Share to social media Supported Languages: Japanese, English, Korean, Chinese (Simplified/Traditional), Spanish, Portuguese, French, Thai, Indonesian Concerts, live shows, birthdays, fan meetings... every day until you see your oshi becomes more exciting.
Coteka
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The simple way for two people to track shared expenses and settle up. Coteka is a shared-expense app for couples, partners, roommates, and any two people who manage money together. Just add what you paid, and Coteka automatically keeps your balance up to date—so you always know who should pay whom, without spreadsheets or awkward reminders. ■ Perfect if you… • Share living costs with a partner or roommate • Cover dates, trips, groceries, or other costs and settle up later • Lose track of who has been paying more • Are tired of tracking shared expenses in chats or notes ■ Features • Quick entry: add an amount and note, then choose who paid and how to split it • Automatic balance: always see who should pay whom and how much • Flexible splits: split equally, by income ratio, or assign the full cost to one person • Individual adjustments: fine-tune each person's share for personal items or uneven expenses • Calendar view: see monthly spending and recently added entries at a glance • Graph view: see monthly spending, category breakdowns, and recurring costs at a glance • Recurring expenses: automatically track rent, utilities, subscriptions, and other regular costs • Notifications: stay updated on payment and settlement changes, recurring expense settings, and upcoming entries • Settlement history: record the amount and date whenever you settle up • Free to use, with ads shown in supported parts of the app ■ Start in seconds • No account setup or login required—open the app and start right away • Begin on your own, then invite your partner with a link when you're ready ■ Made for the world • Supports multiple languages and currencies • Light and dark mode Stop asking “wait, who paid for that?”—settle up the simple way with Coteka.
Screenshots
Verdict
The clearest difference is in-app purchases: Coteka at none against Oshi's 1. Coteka also leads on iOS requirement (16.4 vs 26.2). Oshi's advantage is update cadence (daily vs every 3 weeks). 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. Oshi sells 1 one-off in-app purchase. Coteka asks for nothing beyond the download.
Oshi ships an update daily, Coteka every 3 weeks. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.
| Parameter | Oshi | Coteka |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.2 | 16.4 — better |
| Further details — not scored | ||
| Size | 5 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | YOSHIKI KOAKUTSU | Chamshot, Inc. |
In-app purchases
Oshi
- Remove Ads$0.99
Coteka
No in-app purchases









