TETSUO vs BUG DROP
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
TETSUO
Tap a mysterious creature to help it grow and age. Collect memories of your time together to complete a photo album. Aim for high scores and see your creature evolve.
- Tap to grow creature
- Creature ages over time
- Collect memories
- Complete photo album
- High score tracking
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*はまる！ *最高！ *きもかわ(はぁと) *腕がつりそう *ネタアプリ *よくわからん *おれもてつお 等、ユーザー様に大反響を頂いております！ 打てば打つほど成長するふしぎな生物「てつお」。 てつおちゃんをタップして経験値をためましょう。経験値がたまるごとに成長し、年をとります。 てつおちゃんが年をとるごとに「おもひで」がアルバムに記載されます。 てつおちゃんとの「おもひで」を集めて、素敵なアルバムを完成させましょう。 *ハイスコアはげーむせんたーボタンを押すことで自動的に登録されます。 コーディング：アプリ開発マン
BUG DROP
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BUG DROP is a super-simple bullet-hell shooter where you control a fighter jet with just one finger and shoot down falling bugs. Enjoy smooth auto-fire shooting, but one hit from enemy bullets means game over. Your dodging decisions and positioning determine your score. Features One-finger control: just drag to move Auto-fire: focus on aiming and dodging Weapon level-up: higher scores increase bullet count Unique attack patterns: flies, spiders, roaches, and centipedes swarm you with bullets Rankings (Top 20): challenge yourself again and again for the highest score Quick to play, but hard to stop once you start. Test your reflexes here.
Screenshots
Verdict
The clearest difference is ads: TETSUO at none against BUG DROP's shown. TETSUO also leads on iOS requirement (7.1 vs 18.2). BUG DROP's advantage is update cadence (every 5 days vs every 2 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
TETSUO ships an update every 2 months, BUG DROP every 5 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.
| Parameter | TETSUO | BUG DROP |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.1 — better | 18.2 |
| Further details — not scored | ||
| Size | 17 MB | 28 MB |
| Age rating | 12+ | 4+ |
| Developer | NAKAYUBI CORPORATION | sho tsugawa |
In-app purchases
TETSUO
No in-app purchases
BUG DROP
No in-app purchases
