Comparison

Number Rush vs Estiball

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

Head to head
About

Number Rush

This educational game helps young children learn to count and recognize numbers through interactive play. It features a child-friendly interface, engaging visuals, and positive reinforcement to make learning fun and motivating for kids aged 2-5.

Highlights
  • Learn to count and recognize numbers
  • Over 130 objects to count
  • 10 diverse categories
  • Child-friendly interface
  • Native speaker voice narration
  • Positive feedback and motivation
Features
Read full description

You get one second to look. How many ducks were there? That's the whole game. Objects flash on screen, they vanish, and you pick the answer before the timer runs out. Sounds easy. It isn't — and getting good at it feels genuinely great. THREE COUNTING GAMES • GLIMPSE — Objects appear for a second, then disappear. How many were there? • WHICH SIDE — Two groups flash at once. Pick the bigger one. No time to count. • IN ORDER — Tap them 1 to N as fast as your finger moves. No arithmetic. No equations. You are always counting real things you can see. BANK IT OR PUSH IT Every correct answer drops points into your Pot instead of your score. Tap the Pot to bank it and it's safe — but your streak multiplier resets. Leave it and the next round pays more. Get one wrong and the whole Pot is gone, along with a life. You have three. That decision, every few seconds, is what turns a counting drill into a game. GOLDEN ROUNDS Every fifth round the arena turns gold and everything pays double. Which is exactly when you should be banking, and exactly when you won't want to. IT GETS FASTER BECAUSE YOU DO The glance window starts at just over two seconds and closes as you climb. More objects. Decoys mixed in that look almost right. The game reads your streak and pushes exactly as hard as you can take. WHY NOT JUST USE A BRAIN TRAINING APP Because those cost sixty dollars a year and feel like homework. This is free, it takes sixty seconds, and it's a game first. Sixty seconds. How many can you see?

About

Estiball

Features
Read full description

How many are bouncing around? Take a look, trust your gut and type in your estimate – no counting allowed! Estiball trains your number sense: the ability to judge quantities at a glance. After every round you see how close you were, as a percentage of the correct answer. CHOOSE YOUR CHALLENGE • Kids: up to 10, 20 or 50 objects – bigger and slower, perfect for young children • Adults: 11–100, 101–500 or 101–1000 objects – from warm-up to real challenge CHOOSE WHAT BOUNCES 21 objects, each in its own world: balls in a pinball machine, bees in a meadow, fish under water, dinosaurs in a prehistoric valley, kites in the spring sky and many more. A live preview on the start screen shows your choice before you play. SEE YOUR PROGRESS • Your accuracy in percent after every round • Your last rounds at a glance, so you can see yourself improving • Play the next round with one tap, or change the difficulty any time MADE FOR EVERYONE • No account, no sign-up • Available in 12 languages Great for kids learning numbers, for families competing against each other, and for anyone who wants to keep their mind sharp in a short break. How good is your number sense? Find out with Estiball!

Screenshots

Number Rush4 screens
Estiball4 screens

Verdict

The call

The clearest difference is ads: Number Rush at none against Estiball's shown. Estiball's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 8 days. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
Number Rush versus Estiball: the parameters behind the verdict, then further details
ParameterNumber RushEstiball
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 8 daysEvery 8 days
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size110 MB17 MB
Age rating4+4+
DeveloperAnh DoanUlrich Helker

In-app purchases

None

Number Rush

No in-app purchases

None

Estiball

No in-app purchases

Questions

Is Number Rush free?
Number Rush is free to download, with no in-app purchases.
Is Estiball free?
Estiball is free to download, with no in-app purchases.
Do Number Rush or Estiball have ads?
Estiball shows ads; Number Rush does not.
Which is updated more often, Number Rush or Estiball?
Number Rush ships an update every 8 days, and Estiball every 8 days. Most recently, Number Rush was updated on November 1, 2026 and Estiball on November 8, 2026.

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