Appt vs Count Biki
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Appt
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Almost half of all people with a mobile phone use accessibility features. Much more than you would expect, right? Unfortunately, most apps do not take these accessibility features into account. As a result, millions of people are unable to use apps. Download the Appt app and learn how to make your app accessible!
Count Biki
Learn and practice Japanese numbers with interactive quizzes. Features adjustable difficulty, multiple voices, and detailed session summaries. Ideal for all levels of Japanese language learners.
- Japanese number mastery
- Customizable quiz modes
- Variable voice settings
- Session summaries
- Multiple listening topics
- In-app purchases for premium features
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Master numbers in Japanese, at your own pace. For beginners through advanced Japanese language learners. How It Works -------------------- • Listen to a randomly generated number in Japanese. • Type the answer in numerals. Features -------------------- • Dozens of topics • Question limit, time limit, and infinite quiz modes • Multiple voices • Variable voice rate and pitch • View session summary with incorrect answers Listening Topics -------------------- • Numbers • Money • Time Durations • Dates & Times Transylvania Tier -------------------- • Unlock Transylvania Tier by leaving any size tip via In-App Purchases. • You'll get access to alternate app icons and support ongoing development.
Screenshots
Verdict
The clearest difference is in-app purchases: Appt at none against Count Biki's 3. Count Biki's advantage is update cadence (fortnightly vs every 4 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. Count Biki sells 3 one-off in-app purchases. Appt asks for nothing beyond the download.
Appt ships an update every 4 months, Count Biki fortnightly. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.
| Parameter | Appt | Count Biki |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (3 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Stichting Appt | TwoCentStudios |
In-app purchases
Appt
No in-app purchases
Count Biki
- Small Tip$0.99
- Medium Tip$4.99
- Large Tip$19.99
