Comparison

Aivolution vs Thomas & Friends™

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

Head to head
About

Aivolution

Design unique AI creatures with vast customization options and train them in diverse environments. Compete globally on leaderboards by optimizing creature rewards and punishments. This app serves as an AI training simulator, demonstrating machine learning principles.

Highlights
  • Design unique AI creatures
  • Over 270 quadrillion possibilities
  • Train AI in seven environments
  • Adjust rewards and punishments
  • Compete on global leaderboards
  • AI training simulator
Features
Read full description

Design unique creatures from over 270 Quadrillion possibilities and let them train themselves inside seven different environments, directly on your own mobile device. Adjust your creature’s rewards and punishments to improve efficiency to compete with players worldwide on the global leaderboards of who can build the best self trained Ai. Maybe you will be the one who will unlock legendary Golden Sneakers as a master Ai trainer? NOTICE: Aivolution is an Ai training simulator meaning you should not consider it as a regular game. You should only consider purchasing Aivolution if you are curious about how machine learning, evolution and neural networks work in practice on your mobile device.

About

Thomas & Friends™

Children can drive their favorite engines and build custom train tracks on the Island of Sodor. This app offers hands-on fun, encourages imagination, and helps develop important skills for preschoolers and neurodivergent children.

Highlights
  • Drive favorite engines
  • Build custom train tracks
  • Explore Island of Sodor
  • Kid-friendly controls
  • Develops spatial awareness
  • Inclusive play experience
Features
Read full description

Thomas & Friends: Let’s Roll invites kids to drive their favorite engines and build their own tracks, fueling big imaginations and tons of hands-on fun. Perfect for preschoolers ages 2-6 and thoughtfully made for all kids to enjoy! • Drive around the Island of Sodor to enjoy lots of exciting journeys! • You can pick a different engine for each journey, including Thomas, Bruno, Percy, and more. Even very young children can enjoy a rewarding driving experience with our kid-friendly driving controls. • The TRACK BUILDER feature lets you build a train track and drive a toy train on it! • You can enhance your track with lots of fun and interesting scenery options. • Watch your trains chug along the track and the landscape you created! • This app helps kids develop spatial awareness, fine motor skills, and self-expression. FUN FOR EVERYONE Designed for ALL kids, (especially little neurodivergent engineers) this app brings expert input from autistic writer Jody O'Neill to create a playful, inclusive experience. Kids set their own pace, are offered clear choices, and can safely explore alongside Bruno the Brake Car, a neurodivergent friend from Sodor. Designed for repeated play sessions, this app will offer joy and comfort to kids, over and over again! JOURNEYS The Old Mine, Whiff’s Recycling Plant, Norramby Beach, McColl’s Farm, and Winter Wonderland CHARACTERS Thomas, Bruno, Gordon, Percy, Nia, Diesel and Kana FEATURES - Safe and age-appropriate - Designed responsibly to let your child enjoy screen time while developing healthy digital habits at a young age - Play pre-downloaded content offline without Wi-Fi or internet - Regular updates with new content - Apple Family Sharing for easy subscription sharing with other family members - No third-party advertising - No in-app purchases for subscribers SUPPORT For any questions or assistance, please reach out to us at support@storytoys.com. ABOUT STORYTOYS Our mission is to bring the world's most popular characters, worlds, and stories to life for children. We make apps for kids that engage them in well-rounded activities designed to help them learn, play, and grow. Parents can enjoy peace of mind knowing their kids are learning and having fun at the same time. PRIVACY & TERMS StoryToys takes children's privacy seriously and ensures that its apps comply with privacy laws, including the Child Online Privacy Protection Act (COPPA). If you would like to learn more about the information we collect and how we use it, please visit our privacy policy at https://storytoys.com/privacy. Read our terms of use here: https://storytoys.com/terms/ SUBSCRIPTION DETAILS This app contains sample content that is free to play. However, LOTS MORE fun and entertaining games and activities are available if you purchase a monthly or yearly subscription. While you are subscribed you can play with EVERYTHING. We regularly add new stuff, so subscribed users will enjoy ever-expanding play opportunities. • Subscriptions are billed monthly or annually according to the rate of the selected subscription plan. • You can change your mind at any point. Cancelling can be done through your iTunes settings. • Your subscription will auto-renew at the cost of the chosen package unless you cancel it 24 hours before the end of the current subscription period. Subscription fees are charged to your iTunes account. • After purchase, you can manage your subscription and turn off auto-renewal by going to your Account Settings. • When you purchase a subscription, you forfeit any unused portion of a free trial period. • You can use your subscription on any device registered with the same Apple ID that you subscribed from. © 2026 Gullane (Thomas) Limited. The Thomas name and character and the Thomas & Friends™ logo are trademarks of Gullane (Thomas) Limited and its affiliates and are registered in many jurisdictions throughout the world.

Screenshots

Aivolution4 screens
Thomas & Friends™4 screens

Verdict

The call

The clearest difference is review sentiment: Thomas & Friends™ at 72% against Aivolution's 25%. Thomas & Friends™ also leads on rating (4.2 vs 3.8) and ratings volume (9.8K vs 4). Aivolution's advantage is in-app purchases (none vs 8) and iOS requirement (8.0 vs 13.0). On price, 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. Thomas & Friends™ sells 7 in-app purchases, starting at $4.99 per month. Aivolution asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Thomas & Friends™ holds the better App Store score, 4.2 against 3.8. That said, the two scores are not equally well evidenced: Thomas & Friends™ has 9.8K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 25% of Aivolution's written reviews are positive against 72% of Thomas & Friends™'s.

UpkeepUpdate frequency

Aivolution ships an update every 5 months, Thomas & Friends™ monthly. The most recent releases landed on September 21, 2026 and October 16, 2026 respectively.

Scorecard7 real differences · 3 level
Aivolution versus Thomas & Friends™: the parameters behind the verdict, then further details
ParameterAivolutionThomas & Friends™
PriceFreeFree
Rating3.8 (4 ratings)4.2 (9.8K ratings) — better
Positive reviews25.0% of reviews72.1% of reviews — better
Number of ratings49.8K — better
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size130 MB462 MB
Age rating4+4+
DeveloperLykkegaard Europe LimitedStoryToys Limited

Customer experience

Aivolution

All ratings4 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews4 reviews
Positive25.0%
Neutral50.0%
Negative25.0%

Thomas & Friends™

All ratings9,815 ratings
Positive78.0%
Neutral10.4%
Negative11.6%
Written reviews122 reviews
Positive72.1%
Neutral8.2%
Negative19.7%

Bugs and requests

Aivolution

Not enough reviews yet to summarise bugs or requests.

Thomas & Friends™

Reported bugs

3 issues
  • Respawning issues at McColl's Farm
  • Inability to complete the loop in Crystal Cave
  • Character catchphrases turning back on after restart

Requested features

5 requests
  • Add more playable engines (James, Emily, Edward, etc.)
  • Introduce new locations (Knapford, Vicarstown, etc.)
  • Implement interactive journey scenarios (railroad crossings, traffic jams, etc.)
  • Fix issues with cargo physics and character whistles/horns
  • Improve performance and stability

In-app purchases

None

Aivolution

No in-app purchases

7 purchases

Thomas & Friends™

Subscriptions7
  • UNLOCK EVERYTHING$4.991 Month
  • UNLOCK EVERYTHING-7 day trial7 Days trial$6.991 Month
  • UNLOCK EVERYTHING$6.991 Month
Show 4 more
  • UNLOCK EVERYTHING - BEST VALUE$6.991 Month
  • 7day trial & UNLOCK EVERYTHING7 Days trial$29.991 Year
  • UNLOCK EVERYTHING - BEST VALUE2 variants$29.991 Year
  • UNLOCK EVERYTHING - BEST VALUE$39.991 Year

Questions

Is Aivolution free?
Aivolution is free to download, with no in-app purchases.
Is Thomas & Friends™ free?
Thomas & Friends™ is free to download, with in-app purchases available.
Which has better reviews, Aivolution or Thomas & Friends™?
Thomas & Friends™ is rated higher. Aivolution averages 3.8 out of 5 from 4 ratings, while Thomas & Friends™ averages 4.2 from 9.8K ratings.
Do Aivolution or Thomas & Friends™ have ads?
Neither Aivolution nor Thomas & Friends™ shows ads.
Which is updated more often, Aivolution or Thomas & Friends™?
Aivolution ships an update every 5 months, and Thomas & Friends™ monthly. Most recently, Aivolution was updated on September 21, 2026 and Thomas & Friends™ on October 16, 2026.

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