Comparison

Osmo Coding Duo vs Bug World by Kodable

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

Head to head
About

Osmo Coding Duo

This app offers a collaborative coding adventure where two players team up to solve logic puzzles and rescue pets. It introduces real-world coding concepts through engaging challenges and a fun narrative.

Highlights
  • Multistep logic problems
  • Collaborative play for two
  • Coding concept introduction
  • Pet rescue adventure
  • Osmo character interaction
Read full description

Team up with a friend to solve coding puzzles and rescue pets! The most advanced game in Osmo’s Coding Family, Coding Duo uses multistep logic problems to introduce kids to real-world coding concepts. FEATURES: Advanced Puzzles for Coding Fans Get challenged by multistep logic problems that will stretch minds and introduce them to coding concepts that are used in the real world. Collaborative Play Friends and family can play together side by side to solve coding puzzles. Use teamwork and strategy to work together towards a common goal. A Fun Rescue Adventure with Osmo Characters A scientist has lost his pets and needs your help to find them. Solve the coding challenges using your favorite Osmo characters and rescue pets across several islands and return them to their home. NOTES: * Requires the Osmo Base and Coding Blocks. Each sold separately or as part of Osmo Coding Starter Kit or Osmo Coding Family Bundle. * Compatible with most iPads. Please see our device compatibility list here: https://support.playosmo.com/hc/articles/115010156067 *About Osmo Osmo is using the screen to create a new healthy, hands-on learning experience that promotes creativity, problem-solving and social interaction. We do this with our reflective artificial intelligent technology.

About

Bug World by Kodable

Embark on a coding adventure to defeat slimes using object-oriented programming and JavaScript skills. Build, upgrade, and deploy heroes to defend Bug World, learning essential coding concepts and soft skills in a fun, engaging environment.

Highlights
  • Object-oriented programming concepts
  • JavaScript coding
  • Hero building and upgrading
  • Real-time code updates
  • Problem-solving and creativity
  • Drag-and-drop coding interface
Features
Read full description

Are you ready for a new coding adventure? The fuzzFamily have landed on Bug World but some unwanted slimes came along with them! It’s up to you to use your object-oriented programming and javascript skills to help defeat the slimes in Bug World by Kodable! Bug World, a new coding game from the award-winning team behind Kodable, is designed to help kids learn and level up their programming skills in a fun and engaging way. Use real code to build, upgrade, and deploy your own heroes to push back the slimes all while exploring the captivating levels of Bug World. WHAT THEY LEARN Bug World features age-appropriate games and activities to introduce and reinforce coding concepts that will have kids thinking like programmers and writing real code using Kodable’s built-for-kids coding interface. Coding skills learned through Bug World include: Object-oriented programming Javascript Classes/Objects Properties Functions Arrays Inheritance CODE YOUR DEFENSE Use one of Bug World’s seven heroes, or your own creations, to set up your defenses against the incoming waves of slimes. Need an extra boost to take down a tricky slime? You can drag and drop one hero onto another similar hero to merge them into a super-defender using code to update their stats in real-time. Need more help? Place a rune on the field to use their special coding properties to slow down or defeat the slimes in a certain area. There’s no one right way to defeat the slimes, so use your creativity to help code your defenses on Bug World! WHY CODE WITH BUG WORLD? Kodable is trusted by more than 50% of US Elementary Schools because of our commitment to making computer science education accessible for everyone. Bug World is the next step in Kodable and your child’s coding journey by giving them a whole new world of possibilities to explore while developing object-oriented programming and javascript skills. In addition to programming concepts, kids also learn incredibly important ‘soft skills’ such as Problem solving skills Executive thinking skills Creativity Collaboration skills Communication skills Critical thinking skills KODABLE PRO MEMBERSHIPS Kodable PRO memberships offer access to all content across Kodable’s suite of learning apps. Use your same login across all Kodable apps to access PRO content. 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

Screenshots

Osmo Coding Duo4 screens
Bug World by Kodable4 screens

Verdict

The call

The clearest difference is rating: Bug World by Kodable at 4.7 against Osmo Coding Duo's 3.9. Bug World by Kodable also leads on ratings volume (845 vs 145). Osmo Coding Duo's advantage is in-app purchases (none vs 3). On price, review sentiment, 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. Bug World by Kodable sells 3 in-app purchases, starting at $24.99 per month. Osmo Coding Duo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Bug World by Kodable holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Bug World by Kodable has 845 ratings behind it against 145, so its average is the more settled of the two. Written reviews point the same way: 53% of Osmo Coding Duo's written reviews are positive against 59% of Bug World by Kodable's.

UpkeepUpdate frequency

Osmo Coding Duo ships an update every 2 months, Bug World by Kodable every 5 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
Osmo Coding Duo versus Bug World by Kodable: the parameters behind the verdict, then further details
ParameterOsmo Coding DuoBug World by Kodable
PriceFreeFree
Rating3.9 (145 ratings)4.7 (845 ratings) — better
Positive reviews52.6% of reviews59.1% of reviews — better
Number of ratings145845 — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size309 MB337 MB
Age rating4+4+
DeveloperTangible PlaySurfScore, Inc

Customer experience

Osmo Coding Duo

All ratings145 ratings
Positive71.7%
Neutral2.1%
Negative26.2%
Written reviews19 reviews
Positive52.6%
Neutral5.3%
Negative42.1%

Bug World by Kodable

All ratings805 ratings
Positive91.7%
Neutral3.2%
Negative5.1%
Written reviews22 reviews
Positive59.1%
Neutral4.5%
Negative36.4%

Bugs and requests

Osmo Coding Duo

Not enough reviews yet to summarise bugs or requests.

Bug World by Kodable

Reported bugs

4 issues
  • Infinite loading screens preventing game access
  • Math problem answers not registering
  • General glitchiness affecting gameplay
  • Startup issues with no game experience possible

Requested features

3 requests
  • More levels and content beyond the initial 3
  • Improved difficulty scaling for advanced players
  • Clearer monetization and subscription information upfront

In-app purchases

None

Osmo Coding Duo

No in-app purchases

3 purchases

Bug World by Kodable

Subscriptions2
  • Kodable Monthly Plan7 Days trial$24.991 Month
  • Kodable Yearly Plan7 Days trial$119.991 Year
One-time1
  • Kodable Lifetime Plan$199.99

Questions

Is Osmo Coding Duo free?
Osmo Coding Duo is free to download, with no in-app purchases.
Is Bug World by Kodable free?
Bug World by Kodable is free to download, with in-app purchases available.
Which has better reviews, Osmo Coding Duo or Bug World by Kodable?
Bug World by Kodable is rated higher. Osmo Coding Duo averages 3.9 out of 5 from 145 ratings, while Bug World by Kodable averages 4.7 from 845 ratings.
Do Osmo Coding Duo or Bug World by Kodable have ads?
Neither Osmo Coding Duo nor Bug World by Kodable shows ads.
Which is updated more often, Osmo Coding Duo or Bug World by Kodable?
Osmo Coding Duo ships an update every 2 months, and Bug World by Kodable every 5 weeks. Most recently, Osmo Coding Duo was updated on November 3, 2026 and Bug World by Kodable on November 7, 2026.

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