Gravity Captain vs Build Up!!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Gravity Captain
Navigate a spacecraft by utilizing thrusters and planetary gravity for slingshot maneuvers. Collect fuel while avoiding collisions with celestial bodies in an endless, replayable challenge.
- Gravity slingshot mechanics
- Spacecraft thruster control
- Fuel collection
- Planet collision avoidance
- Randomized replayability
- Endless gameplay
- Simple controls
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Fly your spacecraft using your thrusters and the gravity from planets to help slingshot you to get to the next planet. Pick up the extra fuel from around planets when needed but avoid crashing into them. What is the furthest planet you can reach! + Use gravity to slingshot around planets + Fly spacecraft with thrusters + Pickup extra fuel + Avoid crashing into planets + Randomized for replayability + Endless gameplay + Simple controls + Leaderboard
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 review sentiment: Gravity Captain at 100% against Build Up!!'s 34%. Gravity Captain also leads on rating (5.0 vs 4.5) and iOS requirement (8.0 vs 14.0). Build Up!!'s advantage is update cadence (fortnightly vs every 63 months) and ratings volume (16K vs 3). On price, ads, in-app purchases and monetization model 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. Gravity Captain sells 1 one-off in-app purchase and Build Up!! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Gravity Captain holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Build Up!! has 16K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Gravity Captain's written reviews are positive against 34% of Build Up!!'s.
Gravity Captain ships an update every 63 months, Build Up!! fortnightly. The most recent releases landed on August 27, 2026 and September 29, 2026 respectively.
| Parameter | Gravity Captain | Build Up!! |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.5 (16K ratings) |
| Positive reviews | 100.0% of reviews — better | 34.3% of reviews |
| Number of ratings | 3 | 16K — better |
| Update frequency | Every 63 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 | 8.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 14 MB | 266 MB |
| Age rating | 4+ | 12+ |
| Developer | Mike Hempfling | Voodoo |
Customer experience
Gravity Captain
Build Up!!
Bugs and requests
Gravity Captain
Not enough reviews yet to summarise bugs or requests.
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
Gravity Captain
- Remove Ads$0.99
Build Up!!
- Remove Ads.$2.99
Questions
Is Gravity Captain free?
Is Build Up!! free?
Which has better reviews, Gravity Captain or Build Up!!?
Do Gravity Captain or Build Up!! have ads?
Which is updated more often, Gravity Captain or Build Up!!?
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