OCO vs Rainmaker
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
OCO
Engage in a captivating one-touch puzzle-platformer with over 7000 levels. Master simple controls to navigate challenging environments, create your own levels, and enjoy a unique audio-visual experience. Compete in daily challenges and strive for perfect solutions.
- Simple one-touch controls
- Over 7000 challenging puzzles
- Level editor and sharing system
- Daily challenges
- Minimalist design
- Procedurally-generated soundtrack
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“OCO is an exceptionally clever one-touch puzzle-platformer” 8/10 Pocket Gamer “Gloriously addictive and intelligent puzzles” 8/10 Touch Arcade Immerse yourself in the beautiful audio-visual world of OCO Use simple one-touch controls to launch, rush, crash, glide, warp, and hang as you solve over 7000 fast-paced platforming puzzles FEATURES • Simple one-touch controls • Complex challenging puzzles • Precision platforming • 7000 hand-selected player-created levels • Create and share levels using OCO jpg levels system • Beautiful minimal design • Procedurally-generated soundtrack for every level • Built-in editor • Daily challenges • 'Discord' community • ‘Perfect solution’ challenges for all levels • 46 achievements AWARDS • Finalist 'Pocket Gamer People’s Choice Award', 2020 • Runner-up ‘Big Indie Pitch’, Develop, Brighton, 2018 • Finalist ‘Very Big Indie Pitch’ Pocket Gamer Connects, London, 2017
Rainmaker
Embark on an adventure to uncover the source of rain. Transform into various objects using a mystical medallion to overcome environmental puzzles. Explore beautiful worlds and enjoy over 120 levels, with the ability to create and share your own.
- Object transformation mechanics
- Over 120 mind-bending levels
- Level editor and online levels
- Innovative physics and controls
- Explore stunning environments
- Surreal discovery story
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Rainmaker is a minimalist puzzle game that follows the story of Tian; a child set out on an adventure to discover what is causing the rain. Use the mysterious medallion to change Tian's body into different objects to solve puzzles. • Become as light as air, as heavy as a rock, or as bouncy as a basketball in this unique take on puzzle-solving • Play over 120 mind-bending levels • Create your own challenging level and play hundreds of online levels made by other players. • Use strategy, thinking and timing to ascend into the sky and above • Innovative controls and physics; simply tap the screen to morph • Explore a vast depth of stunning scenery and variety of beautiful environments • Follow a child's story of surreal discovery Players must triumph over challenges by adapting the game's innovative physics mechanics to any given situation.
Screenshots
Verdict
The clearest difference is rating: OCO at 4.6 against Rainmaker's 3.9. OCO also leads on ratings volume (2.4K vs 36). Rainmaker's advantage is ads (none vs shown) and iOS requirement (10.0 vs 15.0). On price, review sentiment, update cadence and in-app purchases 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. OCO sells 8 one-off in-app purchases and Rainmaker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
OCO holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: OCO has 2.4K ratings behind it against 36, so its average is the more settled of the two. Written reviews split almost evenly too, at 73% and 73% positive.
OCO ships an update every 5 weeks, Rainmaker every 2 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.
| Parameter | OCO | Rainmaker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2.4K ratings) — better | 3.9 (36 ratings) |
| Positive reviews | 73.0% of reviews | 73.3% of reviews — better |
| Number of ratings | 2.4K — better | 36 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 113 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | SPECTRUM48 LIMITED | SweatyChair Pty. Ltd. |
Customer experience
OCO
Rainmaker
Bugs and requests
OCO
Reported bugs
4 issues- Game crashes on startup after updates
- Slow mode issue prevents level uploads
- Levels sometimes can't be opened
- Losing progress/data after updates
Requested features
5 requests- Add different beat/music options
- Allow liking levels without completing them
- Improve level saving/loading
- Add more block types (traps, flippers, etc.)
- Bring back online features
Rainmaker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
OCO
- NO ADSFree
- x 2000 bits$0.99
- x 5000 bits$0.99
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- Remove ads$1.99
- x 8000 bits$2.99
- OCO pro$2.99
- x 30000 bits$4.99
- x 100000 bits$9.99
Rainmaker
- Super Bundle$1.99









