Comparison

Bird Jump! vs Unstable!

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

Head to head
About

Bird Jump!

Guide adorable birds with tiny wings to jump higher and avoid obstacles. Overcome gravity's pull to help your feathered friends soar.

Highlights
  • Intuitive jumping controls
  • Obstacle avoidance gameplay
  • Challenging gravity mechanics
  • Cute bird characters
Read full description

Our birds with lovely tiny wings always hope to fly up high, but the problem is the gravity. Please help your bird to jump up high while avoiding obstacles!!

About

Unstable!

Control a bar to defend falling balls from a central core. Collect power-ups to enhance your gameplay and see how long you can survive. Enjoy endless, casual fun with new levels and music.

Highlights
  • Defend falling balls
  • Move bar with touch/drag
  • Collect power-ups
  • Endless gameplay
  • New level, new song
  • Casual mechanics
Features
Read full description

Easy game! Touch or drag your finger on the screen to move the bar and defend the balls coming out of the core. How far can you go? Immortal? Invincible? Wonderful? Final Level? • Simple and casual mechanics. • A new level always a new song. • A new game idea for you to enjoy your time! • Endless gameplay! Free Play! Fast Replay! •Collect the power-ups, Slow, Double Points, Extra Ball and Expand Bar! Have fun. And don't forget! We'd love to hear your opinion! sign: amoraleite

Screenshots

Bird Jump!3 screens
Unstable!4 screens

Verdict

The call

The clearest difference is in-app purchases: Unstable! at none against Bird Jump!'s 1. Unstable! also leads on update cadence (every 4 months vs every 51 months). Bird Jump!'s advantage is rating (4.0 vs 3.8). On price, ratings volume, ads 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

Both are free to download. Bird Jump! sells 1 one-off in-app purchase. Unstable! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Bird Jump! holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 5 respectively.

UpkeepUpdate frequency

Bird Jump! ships an update every 51 months, Unstable! every 4 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Bird Jump! versus Unstable!: the parameters behind the verdict, then further details
ParameterBird Jump!Unstable!
PriceFreeFree
Rating4.0 (4 ratings) — better3.8 (5 ratings)
Positive reviews0.0% of reviews—
Number of ratings45 — better
Update frequencyEvery 51 monthsEvery 4 months — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size76 MB153 MB
Age rating4+4+
DeveloperGameZen, Inc.Leonardo Amora

Customer experience

Bird Jump!

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Unstable!

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%

In-app purchases

1 purchases

Bird Jump!

One-time1
  • Remove Ads$2.99
None

Unstable!

No in-app purchases

Questions

Is Bird Jump! free?
Bird Jump! is free to download, with in-app purchases available.
Is Unstable! free?
Unstable! is free to download, with no in-app purchases.
Which has better reviews, Bird Jump! or Unstable!?
Bird Jump! is rated higher. Bird Jump! averages 4.0 out of 5 from 4 ratings, while Unstable! averages 3.8 from 5 ratings.
Do Bird Jump! or Unstable! have ads?
Both Bird Jump! and Unstable! show ads.
Which is updated more often, Bird Jump! or Unstable!?
Bird Jump! ships an update every 51 months, and Unstable! every 4 months. Most recently, Bird Jump! was updated on November 6, 2026 and Unstable! on November 3, 2026.

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