Comparison

I am Not a Robot vs Gravity Blocks 3D

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

Head to head
About

I am Not a Robot

Engage in a variety of logic puzzles and brain teasers designed to test your cognitive skills. Prove you're human by solving diverse challenges, from spotting differences to tile placement, all within a fun and mentally stimulating environment.

Highlights
  • Variety of puzzle types
  • Hundreds of levels
  • Logic games
  • Brain teasers
  • Memory games
  • Concentration games
Features
Read full description

TEST YOUR BRAIN Let’s face it, there are tons of brain games out there that claim to help improve your memory or concentration, but they’re nothing more than simple logic puzzles and brain tests. As the name suggests, I Am Not A Robot takes memory games and logic puzzles to the next level of fun as you have to try and prove that you are indeed human, no matter what crazy puzzle solving game comes your way! A variety of different puzzles and riddles await, ranging from concentration games to logic puzzles, brain teasers to memory games and more. WHAT’S THE LOGIC? Each level consists of a different type of logic game or brain teaser, and your goal is to win and prove that there are no bots here! Puzzles range from simple pictures where you need to spot the difference to more challenging riddles and brain games where you need to place the tiles correctly in a limited amount of time. With such a huge variety, both you and your brain will never get tired of seeing what test is next. Type of challenging games and brain puzzle games you can find within our brain test: Puzzle solving games – place pieces in the correct spot to make the picture whole Brain training games – find the difference between pictures Mental games – prove that you’re not a robot Brain tests and puzzles – create images with the tools given Fantastic features: - Variety is the spice of life – Hundreds of levels, and tons of different types of brain training games are all crammed into this one app! While they all focus on helping you keep the old noggin sharp, you’ll always find something new to try, keeping playtime fun, exciting, and most importantly, mentally stimulating. Problem solving games will get you thinking, concentration games will help you focus, puzzle games make you think, and logic games will test your ability to think several steps ahead. And just when you think you’ve got the hang of it, here comes a super challenging game level! - Simple yet effective – The riddles and puzzle games are specifically designed with straightforward graphics and clear instructions, allowing you to really focus on what you need to do (in this case, solve some brain teasers!) and not on distractions. Even though they’re simple, the variety and pacing of the memory games and brain puzzles will keep you on your toes as you solve one after another. - Great for on the go – Levels are short and sweet, meaning you can quickly move on to other things… or other levels! These concentration brain games are perfect for when you’re out and about and may only have a few minutes to spare, or for when you want to sit down and have some me-time with a useful game that trains your logic. The choice is yours! RIDDLE ME THIS We all know the importance of keeping our minds sharp, but sometimes it can be hard to find the time or motivation. I Am Not A Robot enters the chat, with a whole host of different puzzles, logic games, riddles, and brain teasers. Fly through levels or just play a few a day, either way you’ll be strengthening your logic skills and memory, as well as having fun. These brain games, tests, and puzzles are sure to please everyone and keep the good times rolling. Privacy Policy: https://say.games/privacy-policy Terms of Use: https://say.games/terms-of-use

About

Gravity Blocks 3D

Features
Read full description

Gravity Blocks 3D is a relaxing-but-clever puzzle where you slide colored blocks into matching-colored gates to clear the board — but every few moves, gravity rotates 90° and sends everything tumbling into a whole new layout. Plan ahead, set up chain reactions, and clear each board before your moves run out. WHY YOU'LL GET HOOKED • One-thumb controls — just drag a block one space at a time • Gravity flips 90° on a timer, turning a solved board into a fresh challenge • Oddly satisfying cascades, fireworks, and chunky 3D blocks • 150 hand-tuned levels that every single one is guaranteed solvable • Difficulty quietly adapts to your skill as you climb the ranks BUILD YOUR COLLECTION • Earn a picture piece every time you clear a level • Complete 3x3 art collections for bonus coins • Unlock beautiful 3D worlds: Block Kingdom, Golden Meadow, Emerald Jungle Falls, and Block Canyon — each with its own blocks, board, sky, and ambience RELAX OR COMPETE • Chill through the early boards, then sweat the late-game 6x6 brain-benders • Star ratings reward efficient, elegant solutions • A winding saga map tracks all 150 levels Free to play, with optional ads. No account, no nonsense — just pick it up and play.

Screenshots

I am Not a Robot4 screens
Gravity Blocks 3D4 screens

Verdict

The call

The clearest difference is in-app purchases: Gravity Blocks 3D at none against I am Not a Robot's 8. Gravity Blocks 3D also leads on update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement 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. I am Not a Robot sells 8 one-off in-app purchases. Gravity Blocks 3D asks for nothing beyond the download.

UpkeepUpdate frequency

I am Not a Robot ships an update every 2 weeks, Gravity Blocks 3D every 2 days. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
I am Not a Robot versus Gravity Blocks 3D: the parameters behind the verdict, then further details
ParameterI am Not a RobotGravity Blocks 3D
PriceFreeFree
Rating4.7 (1.5K ratings) — better—
Positive reviews35.1% of reviews—
Number of ratings1.5K — better—
Update frequencyEvery 2 weeksEvery 2 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size267 MB267 MB
Age rating12+4+
DeveloperSayGames LTDAhmed Salim

In-app purchases

8 purchases

I am Not a Robot

One-time8
  • Hints 1$2.99
  • No ADS$4.99
  • Hints 2$4.99
Show 5 more
  • Time Stop 1$4.99
  • Time Stop 2$4.99
  • Promotion$7.99
  • Hints 3$11.99
  • Time Stop 3$11.99
None

Gravity Blocks 3D

No in-app purchases

Questions

Is I am Not a Robot free?
I am Not a Robot is free to download, with in-app purchases available.
Is Gravity Blocks 3D free?
Gravity Blocks 3D is free to download, with no in-app purchases.
Do I am Not a Robot or Gravity Blocks 3D have ads?
Both I am Not a Robot and Gravity Blocks 3D show ads.
Which is updated more often, I am Not a Robot or Gravity Blocks 3D?
I am Not a Robot ships an update every 2 weeks, and Gravity Blocks 3D every 2 days. Most recently, I am Not a Robot was updated on October 20, 2026 and Gravity Blocks 3D on October 12, 2026.

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