Cave Bowling vs Unstable!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Cave Bowling
Experience a prehistoric twist on bowling! Aim your ball through rocky landscapes, avoiding obstacles and ancient creatures to strike the pins and collect bones. Discover multiple solutions for each of the 80 levels.
- 80 prehistoric stages
- Auto-saving best solutions
- Fine-adjustable controls
- 3-star ranking system
- Multiple solutions per level
- Collectors Icon #25
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Striiiiike! Warp back in time and join our forefathers in an exciting game of CAVE BOWLING! Set aim and send the bowling ball flying through rocky landscapes filled with crazy obstacles and prehistoric animals. Can you strike the pins and collect all bones without knocking down the cheerful audience? If you love our other physics-based ball game, Cat Physics, chances are you'll have a blast with Cave Bowling too! * * * * * * * * * * * * * * * * * * * * * * * * - "Donut Games rolls another strike" -- TouchArcade - "Game of the day" -- MacWorld IDG.se - "New & Noteworthy" -- Apple, Jan 2011 - "Cave Bowling features original design, mechanics and challenges, something many iPhone games lack these days." -- Gamezebo - "We've basically been at the point where it's safe to just blindly download anything Donut Games releases, and I'm glad to say Cave Bowling continues that tradition." -- TouchArcade * * * * * * * * * * * * * * * * * * * * * * * * GAME FEATURES: - 80 prehistoric stages - Auto-saving feature that records your best solution to each level - Fine-adjustable controls - Donut Games' famous 3-star ranking system - Multiple solutions for each level: Increased replay value - Donut Games' Collectors Icon #25 - And much more... * * * * * * * * * * * * * * * * * * * * * * * * Enjoy another Donut Games release!
Unstable!
Control a bar to defend falling balls from a central core. Collect power-ups to enhance your gameplay and see how long you can survive. Enjoy endless, casual fun with new levels and music.
- Defend falling balls
- Move bar with touch/drag
- Collect power-ups
- Endless gameplay
- New level, new song
- Casual mechanics
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Easy game! Touch or drag your finger on the screen to move the bar and defend the balls coming out of the core. How far can you go? Immortal? Invincible? Wonderful? Final Level? • Simple and casual mechanics. • A new level always a new song. • A new game idea for you to enjoy your time! • Endless gameplay! Free Play! Fast Replay! •Collect the power-ups, Slow, Double Points, Extra Ball and Expand Bar! Have fun. And don't forget! We'd love to hear your opinion! sign: amoraleite
Screenshots
Verdict
The clearest difference is price: Unstable! at Free against Cave Bowling's $0.99. Unstable! also leads on update cadence (every 4 months vs every 13 months). Cave Bowling's advantage is rating (4.7 vs 3.8) and ads (none vs shown). On 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
Unstable! is free to download; Cave Bowling costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Cave Bowling holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Cave Bowling has 108 ratings behind it against 5, so its average is the more settled of the two.
Cave Bowling ships an update every 13 months, Unstable! every 4 months. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.
| Parameter | Cave Bowling | Unstable! |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.7 (108 ratings) — better | 3.8 (5 ratings) |
| Positive reviews | 94.5% of reviews | — |
| Number of ratings | 108 — better | 5 |
| Update frequency | Every 13 months | Every 4 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 9 MB | 153 MB |
| Age rating | 4+ | +4 |
| Developer | Donut Games | Leonardo Amora |
Customer experience
Cave Bowling
Unstable!
Bugs and requests
Cave Bowling
Reported bugs
3 issues- Game freezes or crashes on certain levels
- Audio cuts out or glitches during gameplay
- Inconsistent scoring and star ratings
Requested features
4 requests- More levels and content updates
- Ability to skip difficult levels
- Option to mute or customize sound effects
- Leaderboards and achievements
Unstable!
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cave Bowling
No in-app purchases
Unstable!
No in-app purchases
