Comparison

Kodable Basics vs Sumdog

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

Head to head
About

Kodable Basics

This app teaches children aged 4-10 foundational computer science concepts through engaging, game-based activities. It helps kids develop critical thinking and problem-solving skills by guiding them through mazes and allowing them to create their own games. The curriculum is designed to transition from basic logic to writing real code.

Highlights
  • Game-based learning approach
  • Develops critical thinking
  • Teaches coding concepts
  • Builds foundational computer science skills
  • Creative activities
  • Seasonal events
Features
Read full description

The coding curriculum used in over 50% of U.S. elementary schools, now at home! Kids go from solving their first maze at age 4 to writing real JavaScript by 5th grade, through games they actually ask to play. LOVED BY KIDS, TRUSTED BY SCHOOLS Rated 4.7 stars by 21,000+ families. Over 25 million downloads. Built with elementary teachers for more than a decade, and aligned to Common Core and CSTA standards, the same curriculum kids use in class. WHAT KIDS LEARN Ages 4-6 (no reading required): sequencing, patterns, and problem-solving through maze puzzles. This is the logic underneath all programming. Ages 7-10: conditions, loops, functions, and variables, leading to real typed JavaScript Every level builds critical thinking they'll use far beyond the screen MORE THAN LESSONS Kids design their own characters, build and share their own games, and jump into seasonal events. Creativity keeps them coming back long after the lesson ends. USING KODABLE AT SCHOOL? Sign in with your school account and your child's progress comes home with them. Some class content carries over free; Kodable Pro unlocks the full library at home. BUILT FOR FAMILIES No ads. Ever. Works offline for road trips, flights, and waiting rooms Designed to meet the strict privacy standards schools require TEACHERS: A complete K-5 STEM curriculum with 80+ scripted lesson plans and Google Classroom, Clever, and roster integrations is available at kodable.com. SUBSCRIPTION INFORMATION – Payment will be charged to iTunes Account – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.

About

Sumdog

This app offers personalized math and spelling practice for children aged 5-14 through engaging games and adaptive learning. It uses diagnostic tests to tailor learning journeys and provides virtual rewards to motivate students. Parents can set up accounts for home use or connect to school-assigned work.

Highlights
  • Personalized adaptive learning
  • Engaging single and multiplayer games
  • Thousands of standards-aligned questions
  • Virtual coin rewards system
  • 3D avatar and house personalization
  • Diagnostic assessment
Features
Read full description

Make learning fun with Sumdog! Sumdog delivers highly engaging personalized practice for math and spelling, both in-school and at home. Suitable for children aged 5-14, our adaptive learning games and online rewards motivate children to learn and encourages regular practice. When children first use Sumdog, we run a short diagnostic test to provide a snapshot of their learning and areas for development. Our adaptive learning engine then uses the outcomes of the diagnostic to ensure each child’s starting point on Sumdog is at the right level. From this point, our sophisticated adaptive algorithms create a personalized learning journey based for each child based on their progress. - Over 30 engaging single and multiplayer games - Thousands of standards-aligned questions designed to consolidate and extend in-class learning - Virtual coin rewards to motivate children to learn - A 3D avatar, house and garden for children to personalize “I never thought an online program could do so much in such short bursts of time.” D. Hendershot, West Elementary, Kansas, US. Account set-up If your child has an account from school: Your child can log in with their details from their school. They’ll then be able to access any work that has been set by their teachers. If your child does not have an account from school: In the Sumdog app, parents can purchase a family plan covering up to 3 children. Once you’ve done this, you’ll create logins for your child to use the app. This gives them access to Sumdog’s games, and thousands of math, spelling and grammar questions. Subscription details: Your subscription starts with a free trial period and then changes to a subscription from $8.99 per month. No commitment period. Download the app and get started today! The amount will be deducted automatically every month via your Apple account. As long as the "Automatic renewal" feature is not disabled via the Apple account settings on your device, the subscription will automatically renew every month no later than 24 hours before your subscription period expires. Sumdog Terms: https://learn.sumdog.com/en-us/about-us/terms-of-use Sumdog Privacy: https://learn.sumdog.com/en-us/about-us/privacy-policy

Screenshots

Kodable Basics4 screens
Sumdog4 screens

Verdict

The call

The clearest difference is rating: Kodable Basics at 4.7 against Sumdog's 4.2. Kodable Basics also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (21K vs 1.6K). Sumdog's advantage is review sentiment (64% vs 55%). On price, ads, in-app purchases and monetization model 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. Kodable Basics sells 7 in-app purchases, starting at $24.99 per month and Sumdog sells 1 in-app purchase, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Kodable Basics holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Kodable Basics has 21K ratings behind it against 1.6K, so its average is the more settled of the two. Written reviews complicate that: 55% of Kodable Basics's written reviews are positive against 64% of Sumdog's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Kodable Basics ships an update every 3 weeks, Sumdog every 2 months. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
Kodable Basics versus Sumdog: the parameters behind the verdict, then further details
ParameterKodable BasicsSumdog
PriceFreeFree
Rating4.7 (21K ratings) — better4.2 (1.6K ratings)
Positive reviews54.5% of reviews63.7% of reviews — better
Number of ratings21K — better1.6K
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size422 MB134 MB
Age rating4+4+
DeveloperSurfScore, IncSumdog Ltd.

Customer experience

Kodable Basics

All ratings21,468 ratings
Positive93.7%
Neutral2.6%
Negative3.7%
Written reviews411 reviews
Positive54.5%
Neutral5.4%
Negative40.1%

Sumdog

All ratings1,553 ratings
Positive78.3%
Neutral4.9%
Negative16.8%
Written reviews361 reviews
Positive63.7%
Neutral10.5%
Negative25.8%

User reviews

Kodable Basics

From 21K App Store ratings

What we love

  • 💡 Fun and educational coding game
  • 👍 Helps develop critical thinking and problem-solving skills
  • 🚀 Engaging for kids of various ages
  • 🎨 Ability to create custom characters and games

Room to improve

  • 💰 Subscription-based model with high costs
  • 🐛 Frequent crashes and bugs
  • 🔒 Misleading trial period and automatic subscription
  • 📉 Declining quality and value over time

Sumdog

From 1.6K App Store ratings

What we love

  • 🎮 Fun and engaging games
  • 🏆 Competitive leaderboards
  • 🏠 Customizable avatar and house
  • 📚 Helps with learning math, spelling, and grammar
  • 🏫 Useful for schools and teachers

Room to improve

  • 🐛 Glitches and bugs
  • 🕰️ Slow loading times
  • 🔒 Limited access to premium features without subscription
  • 🤖 Weird or unappealing 3D character models
  • 🔍 Lack of instructions for some games

Bugs and requests

Kodable Basics

Reported bugs

4 issues
  • Inability to access app after subscription cancellation
  • Persistent crashes at certain levels or stages
  • Syncing and progress issues across devices
  • Unresponsive controls and UI elements

Requested features

4 requests
  • More free content and levels
  • Improved stability and performance
  • Customization options for parents/teachers
  • Better customer support and communication

Sumdog

Reported bugs

4 issues
  • Flower Defenders game not working properly
  • Goalz game not registering shots correctly
  • Sudden logout issues
  • Incompatibility with certain devices or browsers

Requested features

5 requests
  • Add more free games
  • Bring back old 2D games
  • Allow interaction with house and garden items
  • Improve multiplayer functionality
  • Add more customization options for avatar and house

In-app purchases

7 purchases

Kodable Basics

Subscriptions2
  • Kodable Monthly Plan7 Days trial$24.991 Month
  • Kodable Yearly Plan7 Days trial$119.991 Year
One-time5
  • 3-day Parent TrialFree
  • Fuzzes to Support Computer Science$4.99
  • Pre-Trial Parent Plan$19.99
Show 2 more
  • Parent Plan$29.99
  • Kodable Lifetime Plan$199.99
1 purchases

Sumdog

Subscriptions1
  • Family Membership7 Days trial$8.991 Month

Questions

Is Kodable Basics free?
Kodable Basics is free to download, with in-app purchases available.
Is Sumdog free?
Sumdog is free to download, with in-app purchases available.
Which has better reviews, Kodable Basics or Sumdog?
Kodable Basics is rated higher. Kodable Basics averages 4.7 out of 5 from 21K ratings, while Sumdog averages 4.2 from 1.6K ratings.
Do Kodable Basics or Sumdog have ads?
Neither Kodable Basics nor Sumdog shows ads.
Which is updated more often, Kodable Basics or Sumdog?
Kodable Basics ships an update every 3 weeks, and Sumdog every 2 months. Most recently, Kodable Basics was updated on October 14, 2026 and Sumdog on October 12, 2026.

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