Comparison

FlashToPass vs Blue

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

Head to head
About

FlashToPass

Master math facts with interactive flashcards. Reinforce concepts, practice addition for free, and unlock more operations and customization through in-app purchases. Supports dark mode and offers printable exports.

Highlights
  • Interactive math flashcards
  • Addition practice (free)
  • Customizable card sets
  • Printable exports
  • Modern design with dark mode
  • Practice by number and difficulty
Features
Read full description

Help your child master math facts and times tables. FlashToPass: Math Flash Cards is a simple, effective way for kids to practice addition, subtraction, multiplication, and division. Version 3.0 is a complete rebuild with a fresh design, live races with friends, voice answers, camera grading for printed worksheets, and an Apple Watch app. The Mac app is now included too. Made for kids ages 6 to 8 and for anyone still building fact fluency, at home, in homeschool, or as a classroom supplement. No ads, no accounts, no tracking. Addition card sets are completely free, and so is printing. - Practice Their Way - - Type answers on a big, kid-friendly keypad. - Say answers out loud: turn on Listen and the card fills the screen. - Turn on Speak and the app reads each problem aloud. - Drill the times tables by number, 1 through 12, or practice by difficulty. - Build custom card sets for exactly the facts your child needs. - Pick up where you left off, and set practice reminders to build a daily habit. - Race Your Friends - Compete in live head-to-head races over local Wi-Fi: two kids at the kitchen table, or a whole classroom at once. Everyone gets the same cards, and the results screen shows who finished first. Joining a race is always free. - Paper, Too - Print practice sheets or cut-out flash cards for any operation and number range, on US Letter or A4, with an optional answer key and name and score lines on the page. Printing is free for everyone. When the finished sheet comes back, point your camera at it. FlashToPass reads the QR code, recognizes the handwriting, and marks each answer. Grading happens on your device, and nothing is uploaded. - iPhone, iPad, Mac, and Apple Watch - One app runs on all of them, and your purchase covers every device. On Apple Watch, kids answer with the Digital Crown. - Key Features - - NEW! Live head-to-head races over local Wi-Fi. Joining is always free. (*) - NEW! Scan & Grade: camera grading for printed practice sheets. (*) - NEW! Voice answers in 12 languages, plus a read-aloud mode. - NEW! Apple Watch app with Digital Crown input. - NEW! The Mac app is now included. - NEW! Completely redesigned, with sidebar layouts on iPad. - NEW! Free printing for everyone: worksheets and flash card sheets for any set. Print with AirPrint®. - Practice addition math facts completely free. - Times tables practice to build multiplication speed. (*) - Subtraction, multiplication, and division card sets. (*) - Practice by number or by difficulty. (*) - Custom card sets. (*) - Practice reminders, dark mode, sound effects, and animations. Download FlashToPass: Math Flash Cards today and start building math fact mastery. - Support - Questions, comments, or bugs? Please contact us using the form at https://www.scybot.com/BugReport.php. - Miscellaneous - AirPrint® is a registered trademark of Apple Inc., registered in the U.S. and other countries. - Privacy Policy - Please refer to https://www.scybot.com/flashtopass-privacy.pdf - Terms of Use - Please refer to https://www.scybot.com/terms.html - Plans - Choose Yearly, Monthly, or Lifetime. Each plan unlocks every flash card set, custom card sets for every operation, hosting races with any operation, Scan & Grade score totals, and watermark-free printing. Yearly and Monthly are subscriptions. Lifetime is a one-time purchase, not a subscription. Payment is charged to your Apple Account when you confirm the purchase. Subscriptions renew automatically unless you cancel at least 24 hours before the period ends. Manage or cancel subscriptions in your Apple Account settings. Deleting the app does not cancel a subscription. * Some features require an in-app purchase.

About

Blue

This app allows children to create and execute algorithms for a robot. It offers step-by-step and drag-and-drop programming, with features like repeats and 45-degree turns. Challenge modes introduce obstacles and limited controls for added difficulty.

Highlights
  • Step-by-step programming
  • Drag and drop interface
  • Repeat commands
  • 45-degree turns
  • Obstacle challenges
  • Customizable voice commands
Features
Read full description

Blue-Bot is one of the many loved members of the TTS Floor Robot family. The Blue-Bot app enables you to write an algorithm, send it and then Blue-Bot will follow your instructions. There are numerous features, which make writing algorithms both fun and educational. Use explore mode to develop algorithms: Step by step programming. Drag and drop programming. Include repeats to add efficiency. Program 45 degree turns. Challenge mode will add complexity into the algorithm: Blue-Bot will add random obstacles, adding complexity to the algorithm needed One or even two directional buttons can be removed Children can also record themselves saying a command and can assign it to a button on Blue-Bot. As the algorithm progresses, they will hear themselves giving the instructions. Please note to control a Blue-Bot floor robot your device must have Bluetooth.

Screenshots

FlashToPass4 screens
Blue4 screens

Verdict

The call

The clearest difference is rating: FlashToPass at 4.4 against Blue's 3.7. FlashToPass also leads on ratings volume (931 vs 7) and review sentiment (67% vs 43%). Blue's advantage is in-app purchases (none vs 3) and iOS requirement (12.4 vs 26.0). On price, update cadence, 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. FlashToPass sells 3 in-app purchases, starting at $1.99 per month. Blue asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

FlashToPass holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: FlashToPass has 931 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 67% of FlashToPass's written reviews are positive against 43% of Blue's.

UpkeepUpdate frequency

FlashToPass ships an update every 4 months, Blue every 3 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

Scorecard6 real differences · 4 level
FlashToPass versus Blue: the parameters behind the verdict, then further details
ParameterFlashToPassBlue
PriceFreeFree
Rating4.4 (931 ratings) — better3.7 (7 ratings)
Positive reviews66.7% of reviews — better42.9% of reviews
Number of ratings931 — better7
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS26.012.4 — better
Further details — not scored
Size21 MB130 MB
Age rating4+4+
DeveloperScybot Technologies, L.L.C.TTS Group Limited

Customer experience

FlashToPass

All ratings930 ratings
Positive85.1%
Neutral6.3%
Negative8.6%
Written reviews96 reviews
Positive66.7%
Neutral11.5%
Negative21.9%

Blue

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews7 reviews
Positive42.9%
Neutral14.3%
Negative42.9%

Bugs and requests

FlashToPass

Reported bugs

4 issues
  • Crashes when entering answers
  • Timer not working as expected
  • Compatibility issues with iOS updates
  • Keyboard disappearing during use

Requested features

5 requests
  • Allow setting number of questions
  • Add more difficulty levels
  • Include doubles facts practice
  • Provide detailed performance tracking
  • Improve keyboard layout and functionality

Blue

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

FlashToPass

Subscriptions2
  • All Features, Monthly$1.991 Month
  • Unlock All Features$4.991 Year
One-time1
  • Lifetime Unlock$9.99
None

Blue

No in-app purchases

Questions

Is FlashToPass free?
FlashToPass is free to download, with in-app purchases available.
Is Blue free?
Blue is free to download, with no in-app purchases.
Which has better reviews, FlashToPass or Blue?
FlashToPass is rated higher. FlashToPass averages 4.4 out of 5 from 931 ratings, while Blue averages 3.7 from 7 ratings.
Do FlashToPass or Blue have ads?
Neither FlashToPass nor Blue shows ads.
Which is updated more often, FlashToPass or Blue?
FlashToPass ships an update every 4 months, and Blue every 3 months. Most recently, FlashToPass was updated on October 31, 2026 and Blue on November 1, 2026.

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