Comparison

Blue vs 1

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

Head to head
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.

About

1

This app offers children engaging, one-minute math tasks to build number confidence and fluency. Developed by award-winning math resource providers, it delivers targeted practice in short, fun bursts, perfect for home or classroom use.

Highlights
  • One-minute timed math tasks
  • Builds number confidence and fluency
  • Targeted practice in basic number skills
  • Subitising practice
  • Randomly generated questions
  • Instant feedback and scoring
  • Hint button for support
Features
Read full description

1-Minute Maths is a free app that helps children build number confidence & fluency through engaging, 1-minute tasks. An accessible tool for children to enjoy at home or in class! Developed by White Rose Maths, award-winning providers in maths resources for the classroom and home, it delivers targeted practice in short, bite-sized chunks, perfect for learning and showing children how much fun they can have with basic number. Who is it for? The app is perfect for primary school pupils, individual one-minute tasks focus on adding and subtracting, multiplying and dividing – and on ‘Subitising’, the skill of instantly recognising the number of items in a group without counting. How does it work? Each task gives children engaging and targeted practice in basic number. The app includes a range of topics, with no specific starting point, so a child can begin wherever they like. By applying randomly generated questions every time, users learn the concept and not a sequence of answers. Once a task completes, questions are marked and presented on the screen, giving instant feedback on how they’ve done. It’s quick, simple to use, and most of all, FUN! 1-Minute Maths in action Choose a topic – there are 87 available. Answer a unique set of questions. If needed, use the ‘Hint’ button – it shows the question in a different but familiar way. When the 1-minute is up, answers appear on the screen in seconds. Keen for another task? Then simply go again! An easy-to-use app – and completely FREE! Parents and Carers: download and watch your child have fun while they continue learning maths at home! Teachers: use as a classroom teaching resource – the tasks align consistently with approaches used in the White Rose Maths schemes of learning! Top 10 reasons for using 1-Minute Maths! 1. Excellent number practice – and no distractions. 2. Enjoyable maths tasks children want to complete. 3. Instills basic number concepts during early years. 4. A clear, intuitive process that children pick up straight away. 5. No login or internet access needed. Just download and play! 6. A motivator - how many correct answers can they score? 7. Helpful hints for support when it’s needed. 8. Brilliant for building number confidence and fluency. 9. Random question generator means no repetition. 10. Completely FREE to download! With White Rose Maths, Everyone can do maths: everyone can!

Screenshots

Blue4 screens
14 screens

Verdict

The call

The clearest difference is rating: 1 at 4.2 against Blue's 3.7. 1 also leads on review sentiment (73% vs 43%). Blue's advantage is iOS requirement (12.4 vs 16.4). On price, ratings volume, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

1 holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews point the same way: 43% of Blue's written reviews are positive against 73% of 1's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 24, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
Blue versus 1: the parameters behind the verdict, then further details
ParameterBlue1
PriceFreeFree
Rating3.7 (7 ratings)4.2 (5 ratings) — better
Positive reviews42.9% of reviews73.3% of reviews — better
Number of ratings7 — better5
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.4 — better16.4
Further details — not scored
Size130 MB27 MB
Age rating4+4+
DeveloperTTS Group LimitedWhite Rose Education Services Limited

Customer experience

Blue

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

1

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews30 reviews
Positive73.3%
Neutral13.3%
Negative13.3%

In-app purchases

None

Blue

No in-app purchases

None

1

No in-app purchases

Questions

Is Blue free?
Blue is free to download, with no in-app purchases.
Is 1 free?
1 is free to download, with no in-app purchases.
Which has better reviews, Blue or 1?
1 is rated higher. Blue averages 3.7 out of 5 from 7 ratings, while 1 averages 4.2 from 5 ratings.
Do Blue or 1 have ads?
Neither Blue nor 1 shows ads.
Which is updated more often, Blue or 1?
Blue ships an update every 3 months, and 1 every 3 months. Most recently, Blue was updated on September 24, 2026 and 1 on October 13, 2026.

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