Comparison

Let's Stack! vs Save Rainbow

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

Head to head
About

Let's Stack!

Guide a duck to build the tallest tower of blocks by tapping and timing. Compete globally on leaderboards to achieve the highest score. This addictive game is suitable for the whole family.

Highlights
  • Build block towers
  • Tapping and timing gameplay
  • Global leaderboards
  • Addictive fun
  • Family-friendly
Features
Read full description

Let's Stack is here! Help a little duck build the tallest tower of blocks (at least, in the leaderboard)! This addictive fun tapping (and timing) game is fun for the entire family! Compete against other players in a worldwide leaderboard and see who has the tallest tower of block)! This game was made by Yuma Soerianto, a 10 year old iOS developer.

About

Save Rainbow

Features
Read full description

How smart are you? Save your little rainbow from bees now. Try to win this entertaining & simple game to sharpen your brain! Game Features: 1. A variety of customs clearance methods 2. Easy and funny customs clearance patterns 3. Funny rainbow expressions 4. Puzzle and interesting levels 5. Various skins, many characters of rainbow How were the rainbow saved from the bees? 1. Draw 2 save : To win the game, draw a line to save your little dog from the bees. You can draw any shape as long as you can protect the dog from the bees. 2. Please complete your drawing during the next five seconds. 3. You can go on to the following level after saving the dog. If it fails, please try to draw again to rescue the dog from bees. Your cure rainbow are curiously walking toward the hive. Before it's too late, let's rescue them! This is an addictive game for you! You can play this game to train your brain, moreover, save the puppy is one of the most interesting draw games that help you to challenge your mind. Play now!

Screenshots

Let's Stack!4 screens
Save Rainbow4 screens

Verdict

The call

The clearest difference is in-app purchases: Save Rainbow at none against Let's Stack!'s 1. Save Rainbow also leads on update cadence (every 3 days vs every 3 months) and iOS requirement (12.0 vs 14.0). On price, 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. Let's Stack! sells 1 one-off in-app purchase. Save Rainbow asks for nothing beyond the download.

UpkeepUpdate frequency

Let's Stack! ships an update every 3 months, Save Rainbow every 3 days. The most recent releases landed on September 28, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Let's Stack! versus Save Rainbow: the parameters behind the verdict, then further details
ParameterLet's Stack!Save Rainbow
PriceFreeFree
Rating4.8 (9 ratings) — better—
Positive reviews96.3% of reviews—
Number of ratings9 — better—
Update frequencyEvery 3 monthsEvery 3 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size24 MB82 MB
Age rating4+9+
DeveloperHendri SoeriantoKhalid Jarhder

In-app purchases

1 purchases

Let's Stack!

One-time1
  • Remove Ad Banners$0.99
None

Save Rainbow

No in-app purchases

Questions

Is Let's Stack! free?
Let's Stack! is free to download, with in-app purchases available.
Is Save Rainbow free?
Save Rainbow is free to download, with no in-app purchases.
Do Let's Stack! or Save Rainbow have ads?
Both Let's Stack! and Save Rainbow show ads.
Which is updated more often, Let's Stack! or Save Rainbow?
Let's Stack! ships an update every 3 months, and Save Rainbow every 3 days. Most recently, Let's Stack! was updated on September 28, 2026 and Save Rainbow on September 10, 2026.

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