Comparison

Project vs SineBird!

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Project

Features
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Project: Blue is an Action Runner where the player takes control of an advanced android prototype and travels to multiple locations to battle against the greatest threat ever known, multinational conglomerates. - See unique characters and environments in a pixel art style - Avoid traps and battle enemies in multiple levels - Defeat challenging bosses - Collect power ups to enhance game play further - Challenge your friends to see who can get the highest score on the leader-boards Sound Effects in Project: Blue were created by KIIRA and are creative commons licensed. https://opengameart.org/content/byte-man-sfx-1

About

SineBird!

Features
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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

Project4 screens
SineBird!4 screens

Verdict

The call

The clearest difference is price: Project at Free against SineBird!'s $2.99. Project also leads on iOS requirement (11.0 vs 16.0). SineBird!'s advantage is update cadence (every 8 days vs every 38 months). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

Project is free to download; SineBird! costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Project ships an update every 38 months, SineBird! every 8 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level
Project versus SineBird!: the parameters behind the verdict, then further details
ParameterProjectSineBird!
PriceFree — better$2.99
Update frequencyEvery 38 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size595 MB175 MB
Age rating9+4+
DeveloperElektriJakub Plachy

In-app purchases

None

Project

No in-app purchases

None

SineBird!

No in-app purchases

Questions

Is Project free?
Project is free to download, with no in-app purchases.
Is SineBird! free?
SineBird! costs $2.99, with no in-app purchases.
Do Project or SineBird! have ads?
Neither Project nor SineBird! shows ads.
Which is updated more often, Project or SineBird!?
Project ships an update every 38 months, and SineBird! every 8 days. Most recently, Project was updated on October 26, 2026 and SineBird! on October 25, 2026.

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