漂流島 vs Pi Clicker
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
漂流島
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漂流島(Adrift Isle)は、無人島をタップで育てる“放置+育成”インクリメンタルゲーム。スキマ時間にサクッと、じっくりやり込みも。 ▼ こんなゲーム ・島をタップして漂着物を集める ・資源で建物を建て、生産を自動化 ・時代(渚→…→高次元)を進めて文明を発展 ・図鑑・ミッション・シーズンパスでコツコツ収集 ・転生で「星のかけら」を稼いでどんどん強化 ・世界を切り替えて新環境へ(深海・ゾンビ 等) ▼ 特長 ・オフラインでも資源が貯まる、放置にやさしい設計 ・ワンタップで気軽に、コツコツ広がる達成感 ・日本語/英語対応 流れ着いた無人島を、あなただけの楽園に育てよう。
Pi Clicker
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A game about digging out what comes after 3.1415... Tap to earn compute (OPS), research algorithms to automate it, and spend your OPS to decode the digits of pi (π) one at a time. Decoded digits pile up on screen, and each one makes your computation a little faster. ■ Research real algorithms Gregory–Leibniz series (1671), Machin's formula (1706), Monte Carlo (1949), FFT multiplication (1971), Chudnovsky series (1988) and more — researching real algorithms speeds up your computation. Each one comes with a short explanation, its formula, and references. ■ Pi digit tape Read back the digits you decoded as a full-screen table. ■ Recomputation Hit a wall, commission a new machine, and start over from 3.14. You keep a permanent bonus based on your deepest verified digit, so each run goes faster and deeper than the last. ■ Milestones from history Archimedes's polygons, Shanks's hand computation, ENIAC's 2,037 digits — each depth you reach decodes another piece of history. ■ Idle-friendly Computation continues while the app is closed. ・CRT terminal pixel UI (font: DotGothic16) ・28 Game Center achievements, 3 leaderboards ・English / Japanese ・No ads, no in-app purchases, no data collection
Screenshots
Verdict
The clearest difference is in-app purchases: Pi Clicker at none against 漂流島's 9. Pi Clicker also leads on ads (none vs shown). 漂流島's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence 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. 漂流島 sells 9 one-off in-app purchases. Pi Clicker asks for nothing beyond the download.
漂流島 ships an update every 8 days, Pi Clicker fortnightly. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.
| Parameter | 漂流島 | Pi Clicker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Masashi Kono | Toru Kano |
In-app purchases
漂流島
- 150 Gems$0.99
- Boost Pack$1.99
- Perm Production +50%$2.99
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- Premium Pass$2.99
- Perm Production x2$2.99
- Starter Pack$3.99
- 800 Gems$4.99
- 2000 Gems$9.99
- 5000 Gems$29.99
Pi Clicker
No in-app purchases









