Rocket Sky! vs Build Up!!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Rocket Sky!
Tap and hold to launch your rocket, managing heat to avoid overheating. Upgrade your rocket to reach new heights, break records, and explore diverse planets. Unlock new rockets and enjoy a colorful 2D space adventure.
- Tap and hold to launch
- Manage rocket heat
- Rocket upgrades
- Explore new planets
- Unlock rockets
- Colorful 2D design
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Tap and hold the screen to launch your rocket as far as you can, but make sure not to overheat, otherwise it's game over! Upgrade your rocket to reach new heights, break records and explore new planets. Space is waiting for you! Rocket Sky! features: Simple and addictive gameplay Numerous upgrades to keep you exploring Variety of planets and rockets to unlock Colourful 2D design SUBSCRIBE TO ROCKET SKY! Subscribe to Rocket Sky! for all of the following benefits: * Receive x2 Earnings * Get the Monster Truck * No Ads, which removes non-optional adverts from the game SUBSCRIPTIONS INFORMATION: Rocket Sky! VIP Membership access offers two membership options: 1) A weekly subscription costing $5.49 per week after a 3 day FREE trial period. 2) A monthly subscription costing $14.49 per month. After buying this subscription, you will unlock; x2 earnings for your in game currency on all your flights, the monster truck which will give you an extra boost on every flight, and receive no ads, which removes non-optional ads from the game. This is an auto-renewable subscription. The payment is charged to your account after confirmation. The subscription is renewed unless you unsubscribe 24 hours before the period ends. Your account will also be charged for renewal The price notes are for United States customers. Pricing in other countries may change and actual charges may be converted to local currency. End of trial and subscription renewal: - The payment is charged to your iTunes account after a confirmation of purchase - The subscription is renewed unless you unsubscribe 24 hours before the end of the current period - The account will be charged for renewal 24 hours before the end of the current period at the standard cost of the weekly subscription - The user may manage the subscription and auto-renewal by accessing the user's account settings after purchase in the store - No cancellation of the current subscription is permitted during the active subscription period - Any unused portion of the free trial period will be forfeited when the subscription is purchased Cancelling a trial or subscription: - In order to cancel a subscription during the free trial period you need to cancel it through your account in the Store. This must be done at least 24 hours before the end of the free trial period to avoid being charged. http://privacy.servers.kwalee.com/privacy/RocketSkyEULA.html
Build Up!!
Construct your tower as tall as possible by strategically placing building nodes. Collect more nodes as you ascend to reach crucial checkpoints and achieve new heights.
- Build structures high
- Gather building nodes
- Reach checkpoints
- Ascend to new heights
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Build your structure as high as you can! Gather additional building nodes along the way and reach the checkpoints!
Screenshots
Verdict
The clearest difference is update cadence: Build Up!! at fortnightly against Rocket Sky!'s every 3 months. Rocket Sky!'s advantage is ratings volume (108K vs 16K). On price, rating, ads 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. Rocket Sky! sells 6 in-app purchases, starting at $5.49 per 7 days and Build Up!! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.5 for Rocket Sky! against 4.5 for Build Up!!. That said, the two scores are not equally well evidenced: Rocket Sky! has 108K ratings behind it against 16K, so its average is the more settled of the two.
Rocket Sky! ships an update every 3 months, Build Up!! fortnightly. Both last shipped on October 17, 2026.
| Parameter | Rocket Sky! | Build Up!! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (108K ratings) | 4.5 (16K ratings) |
| Positive reviews | — | 34.3% of reviews |
| Number of ratings | 108K — better | 16K |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | Yes | Yes |
| 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 | 14.0 — better |
| Further details — not scored | ||
| Size | 267 MB | 266 MB |
| Age rating | 12+ | 12+ |
| Developer | Kwalee Ltd | Voodoo |
Customer experience
Rocket Sky!
Build Up!!
User reviews
Rocket Sky!
From 108K App Store ratingsWhat we love
- 🚀 Fun and addictive gameplay
- 👍 Simple and intuitive controls
- 🚀 Satisfying rocket upgrades and progression
Room to improve
- 🔥 Excessive and intrusive advertisements
- 🔒 Requires internet connection to play
- 🐛 Inconsistent gameplay and glitches
- 💰 Monetization model feels exploitative
Build Up!!
From 16K App Store ratingsWhat we love
- 👍 Simple and fun game
- 🚀 Runs well with no crashes
- 💰 Free to play
Room to improve
- 💸 Excessive ads
- 🐛 Impossible or buggy levels
- 🔁 Repetitive gameplay
Bugs and requests
Rocket Sky!
Reported bugs
3 issues- Freezing and crashing after watching ads
- Inconsistent rocket performance and height
- Upgrade options not working as expected
Requested features
4 requests- Offline play mode
- More planets and rocket variety
- Reduced advertisement frequency
- Ability to permanently remove ads
Build Up!!
Reported bugs
3 issues- Rivet counter malfunction
- Levels regenerating incorrectly
- Tower physics issues
Requested features
3 requests- More level variety
- Ability to create custom maps
- Removal of perfect triangle requirement
In-app purchases
Rocket Sky!
- VIP MEMBERSHIP3 Days trial$5.497 Days
- MONTHLY VIP MEMBERSHIP$14.491 Month
- Special Event2 variants$0.99
- Remove Ads3 variants$2.99
- Explorer's Pack$9.99
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- Explorer's Pack$24.99
Build Up!!
- Remove Ads.$2.99









