Comparison

Wonder for Dash vs Let's Sum It

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

Head to head
About

Wonder for Dash

This app introduces children aged 8 and up to coding through interactive challenges and creative play with robots. It features a picture-based language and guided adventures to teach programming concepts. Users can create their own inventions and transfer code directly to the robots.

Highlights
  • Picture-based coding language
  • Over 50 guided challenges
  • Robotic adventures in various environments
  • Transform robot capabilities
  • Free Play mode for custom inventions
  • Code transfer to robots
Features
Read full description

Wonder makes robotics as delightful as finger painting. With a picture-based coding language and guided challenges, Wonder lets kids ages 8 and up explore robotics on their own – and have a blast doing it. A FRESH NEW LOOK The redesigned main menu puts everything one tap away: - Scroll Quest – multiple guided coding adventures, from first steps to tricky puzzles - Free Play – an open coding canvas for your own inventions CODING ADVENTURES WITH DASH Travel through the African Grasslands, the Arctic Wilderness and even Outer Space to uncover new ideas for your robot. Transform Dash into a ferocious lion, dodge asteroids together, play a game of Marco Polo, and much more. Every challenge introduces a new coding concept – sequences, events, loops, conditions and variables – through play. CREATE YOUR OWN INVENTIONS When you're ready, jump into Free Play and build anything you can imagine. Once your program is finished, transfer it to Dash – the next time you turn Dash on, it runs your code without being connected to an iPhone or iPad. HOW TO GET STARTED 1. Turn on Dash and enable Bluetooth on your iPhone or iPad. 2. Open Wonder and connect to Dash from the main menu. 3. Update your robot when prompted. The update brings new sounds, personality and abilities and may take up to 10 minutes. 4. Start with Challenges to learn the basics, then explore Free Play. PRAISE FOR WONDER "Thoroughly absorbing." – The New York Times "Both kids begged me to take out the robots and start playing with them again." – Business Insider SAFE FOR KIDS Wonder contains no third-party advertising and does not collect personal information. For details, see our Privacy Policy and Terms of Service. ABOUT WONDER WORKSHOP Wonder Workshop creates award-winning educational robots and apps that make learning to code meaningful and fun. Founded in 2012 by three parents, Wonder Workshop is now part of MORAVIA Education. We play-test with children throughout development to make sure every experience is frustration-free and fun. Questions or ideas? We'd love to hear from you at https://help.makewonder.com. Privacy Policy: https://www.makewonder.com/privacy Terms of Service: https://www.makewonder.com/TOS

About

Let's Sum It

Features
Read full description

Part of the Indoor Recess Games CFS Bundle Want to have fun practicing math problems with THREE or FOUR addends?! Practice sums to 10.... all Target Sums in this game range from 2 to 10. The goal of the puzzle is to arrange the pieces so that the sum of each horizontal row equals the Target Sum. The current sum for each row is displayed on the far right side of each row in red until it matches the Target Sum... then, it turns green. The catch is you can only slide one piece at a time to the empty square. And, only pieces adjacent to the open square can be moved. The final puzzle piece is displayed below the grid and must be dragged to its correct location as the last move. The last piece must be placed even if it is zero. Adjust the range of Target Sums or play the Challenge mode where the Target Sum is NOT displayed. The TOP 15 Quickest Times are recorded in the app (not game center) when using that mode. Want to play this on your phone? Then, check out the Sum It Climb bundle.

Screenshots

Wonder for Dash4 screens

Verdict

The call

The clearest difference is device support: Wonder for Dash at 3 against Let's Sum It's 1. Let's Sum It's advantage is iOS requirement (10.0 vs 15.0). On price, update cadence, ads and in-app purchases 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 3 months. Both last shipped on October 26, 2026.

Scorecard2 real differences · 8 level
Wonder for Dash versus Let's Sum It: the parameters behind the verdict, then further details
ParameterWonder for DashLet's Sum It
PriceFreeFree
Rating4.3 (476 ratings) — better—
Positive reviews68.9% of reviews—
Number of ratings476 — better—
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS15.010.0 — better
Further details — not scored
Size455 MB37 MB
Age rating4+4+
DeveloperMORAVIA Consulting, spol. s r.o.Classroom Focused Software

Bugs and requests

Wonder for Dash

Reported bugs

5 issues
  • App crashes when trying to run certain programs
  • Bluetooth connection frequently drops
  • Incorrect Bluetooth status detection
  • Certain features and commands not working as expected
  • App freezes or becomes unresponsive

Requested features

5 requests
  • Add more robots and accessories support
  • Improve app stability and performance
  • Implement a user profile system
  • Add more advanced programming features
  • Improve Bluetooth connectivity and reliability

Let's Sum It

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Wonder for Dash

No in-app purchases

None

Let's Sum It

No in-app purchases

Questions

Is Wonder for Dash free?
Wonder for Dash is free to download, with no in-app purchases.
Is Let's Sum It free?
Let's Sum It is free to download, with no in-app purchases.
Do Wonder for Dash or Let's Sum It have ads?
Neither Wonder for Dash nor Let's Sum It shows ads.
Which is updated more often, Wonder for Dash or Let's Sum It?
Wonder for Dash ships an update every 3 months, and Let's Sum It every 3 months. Most recently, Wonder for Dash was updated on October 26, 2026 and Let's Sum It on October 26, 2026.

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