Comparison

Rapid Eye Test vs Corto

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

Head to head
About

Rapid Eye Test

Read full description

"Rapid Eye Test : Hyper Peepers" is the ultimate test of your visual skills and reflexes! Dive into a fun and fast-paced game where you'll track and identify numbers that move, flip, and rotate. Gameplay: Dynamic Number Modes: Watch as numbers glide, flip, and spin across your screen. Your challenge is to spot the target numbers as they shift in different ways. -Move: Numbers move smoothly across the screen. -Flip: Numbers flip back and forth, making them harder to track. -Rotate: Numbers spin at various angles, adding an extra layer of difficulty. Fixed Targets: Each level presents 3 specific numbers you need to find. Keep your eyes sharp and find all 3 before time runs out! Steady Challenge: Each level has the same time limit, but the complexity increases as you advance, making the game more exciting. Features: Engaging Gameplay: Easy to pick up and play, with increasing challenges that keep you coming back for more. Clear Goals: Find the 3 target numbers in each round to advance through the levels. Fun and Addictive: Perfect for quick sessions or longer play, with a balance of fun and challenge for all ages. Are you ready to test your visual agility? Download "Rapid Eye Test" now and see how quickly you can spot the numbers!

About

Corto

Test your geography skills by quickly and accurately locating places on a world map. Earn points for speed and precision, and unlock a variety of themed quizzes to expand your knowledge. Challenge friends in head-to-head matches and compete on global leaderboards.

Highlights
  • Locate places on a world map
  • Timed quizzes for accuracy and speed
  • Unlock themed quizzes
  • Head-to-head challenges with friends
  • Daily and weekly quiz sets
  • Global leaderboards
Features
Read full description

Corto puts your geography knowledge on the clock. A place appears. Tap where it is on the world map, as fast and as accurately as you can. Every question scores up to 1,000 points: 800 for accuracy, 200 for speed. Ten questions, 10,000 possible. Getting close takes real knowledge of the world. Every place you get right lights up your globe. Countries turn green as you find their places, and your places raise your level. Spin the globe, tap a country and play the quizzes about it. Start free with World Cities and ten learning quizzes, then unlock 166 themed quizzes: capitals and cities, flags and airport codes, volcanoes, stadiums, world wonders, remote islands. Or unlock all of them at once, including every quiz added later. Every quiz is a lifetime purchase. Buy it once and it is yours, restorable on any device you sign in with. Corto has no subscriptions and no ads. Think you're quick? Challenge a friend head-to-head. Trade turns, match their score, and settle it on the map. They don't need to own the quiz: your copy covers the whole match. A new Daily every day: five places, one try. Plus a weekly set of three quizzes. Your best scores go to the Game Center leaderboards: one world ranking and nine category boards. Simple to learn. Hard to master. Endlessly replayable.

Screenshots

Rapid Eye Test4 screens
Corto4 screens

Verdict

The call

The clearest difference is ads: Corto at none against Rapid Eye Test's shown. Corto also leads on update cadence (every 6 days vs every 3 months). Rapid Eye Test's advantage is iOS requirement (15.0 vs 26.4). On price, 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. Rapid Eye Test sells 1 one-off in-app purchase and Corto sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Rapid Eye Test ships an update every 3 months, Corto every 6 days. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Rapid Eye Test versus Corto: the parameters behind the verdict, then further details
ParameterRapid Eye TestCorto
PriceFreeFree
Rating—3.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 3 monthsEvery 6 days — better
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.4
Further details — not scored
Size142 MB111 MB
Age rating4+4+
DeveloperNURI YANGXander van Baarsen

In-app purchases

1 purchases

Rapid Eye Test

One-time1
  • Remove Ads$0.99
10 purchases

Corto

One-time10
  • Members Only 1$0.49
  • Members Only 3$0.49
  • Milan$0.49
Show 7 more
  • Munich$0.49
  • Utrecht$0.49
  • Hamburg$0.49
  • Lyon$0.49
  • Corps Unlock$1.99
  • Eerie Earth Unlock$2.99
  • Complete Unlock: All Packs$8.99

Questions

Is Rapid Eye Test free?
Rapid Eye Test is free to download, with in-app purchases available.
Is Corto free?
Corto is free to download, with in-app purchases available.
Do Rapid Eye Test or Corto have ads?
Rapid Eye Test shows ads; Corto does not.
Which is updated more often, Rapid Eye Test or Corto?
Rapid Eye Test ships an update every 3 months, and Corto every 6 days. Most recently, Rapid Eye Test was updated on October 25, 2026 and Corto on November 5, 2026.

Other comparisons