Build Up!! vs SineBird!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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!
SineBird!
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SineBird! is a casual action game where movement creates music. Guide BobBird on his sinusoidal flight among the trees in the Melody Forest. As you play, each path adjustment determines the melody of the Flight of Bob concerto performed by the SineBird band. The band also performs 10 pieces by J. S. Bach and 10 songs in the “randomized birdsong” style. Unique iterations of both the gameplay music and birdsongs can be saved creating your own SineBird! soundtrack and concert. The Game * Two-thumb slider controller - try thumb sleeves for smooth sliding * Avoid the trees - new obstacle course each pass * Increasing difficulty - faster tempo and tighter navigation * Three play modes: * Health Bar: recover by eating fruit while building score multipliers * Perfect Flight: one mistake ends the flight * Practice Mode: learn to fly and freely experiment with the music * Each game’s soundtrack is a unique new song The Concert * 10 pieces by J. S. Bach * 10 randomized birdsongs - each performance is different * Visualization of notes played and song logic in realtime * Save your favorite iterations to a playlist
Screenshots
Verdict
The clearest difference is price: Build Up!! at Free against SineBird!'s $2.99. Build Up!! also leads on iOS requirement (14.0 vs 16.0). SineBird!'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence 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
Build Up!! is free to download; SineBird! costs $2.99 up front. Build Up!! sells 1 one-off in-app purchase. SineBird! asks for nothing beyond the download.
Build Up!! ships an update fortnightly, SineBird! every 8 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | Build Up!! | SineBird! |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.5 (16K ratings) — better | — |
| Positive reviews | 34.1% of reviews | — |
| Number of ratings | 16K — better | — |
| Update frequency | Fortnightly | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 266 MB | 175 MB |
| Age rating | 12+ | 4+ |
| Developer | Voodoo | Jakub Plachy |
Bugs and 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
SineBird!
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Build Up!!
- Remove Ads.$2.99
SineBird!
No in-app purchases









