Kotlin Tutorial vs Wibblo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kotlin Tutorial
Learn Kotlin programming with this app, covering basic to advanced concepts. It includes practice programs, interview questions, and an online compiler for hands-on learning. Ideal for beginners and professionals.
- Basic and advanced Kotlin concepts
- Practice programs
- Interview questions and answers
- Online Kotlin compiler
- 50+ Kotlin program examples
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Kotlin tutorial provides basic and advanced concepts of Kotlin programming language. Our Kotlin tutorial is designed for beginners and professionals both. * Basic Tutorial * Advanced Tutorial * Practice Programs * Que. and Ans. * Online Kotlin Compiler 50+ Kotlin program example. >> Kotlin Interview Questions and Answers. Kotlin Interview Questions have been designed especially to get you acquainted with the nature of questions you may encounter during your interview for the subject of Kotlin Programming Language. Contact Us: universeassistant083@gmail.com If you choose to subscribe to any of the “Kotlin Premium” Subscriptions, the payment will be charged to your iTunes account at confirmation of purchase. any unused portion of the free trial period, if offered, will be forfeited when you purchase a subscription to that publication. From that moment and further, the subscription automatically renews until auto-renew is turned off at least 24 hours before the end of the current period. You may manage your subscription and turn off auto-renewal by going to your account settings after purchase. No cancellation of the current subscription is allowed during the active period. If you have any questions while using this app, please contact us via email at universeassistant083@gmail.com. Terms of Use - https://sites.google.com/view/javascript-terms-of-usecript/home
Wibblo
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Wibblo turns story time into an adventure your child leads. In every interactive tale, your child makes choices — and the story branches to a DIFFERENT ENDING. It's stories, 38 learning games and audio in 10 languages, all in one safe, ad-free app for ages 3–10. INTERACTIVE STORIES - Branching fairy tales — your child chooses and the story adapts, with multiple endings to discover - An endings map that tracks every path your child finds - Professional audio narration — listen hands-free at bedtime - Record your own voice — narrate a story for your child (mom & dad voice) - Bedtime mode with sleep timer, calming lullabies and a night light for a cozy routine - Classic tales and originals, beautiful illustrations, longer stories told in chapters LEARN A LANGUAGE, NATURALLY - Hear every story in 10 languages — English, Turkish, Spanish, German, French, Italian, Portuguese, Arabic, Japanese and Korean - Switch the narration language while keeping subtitles in your own — a playful, ear-first way to pick up a new language - English learning cards and word games to build vocabulary 38 GAMES THAT TEACH - Literacy: letters, phonics, missing letters, fast words, reading - Numbers: counting, math adventures, money and time - Thinking: memory, logic, puzzles, sequences, matching, shapes and colors - Feelings & the world: emotions, animals, nature - Just for fun: tilt maze, bubble pop, balloon pop, drawing and more - Badges, streaks, a star map and mastery levels make learning rewarding MADE FOR FAMILIES - Up to 4 child profiles, each with its own progress and theme - Parent dashboard: weekly reports, activity and screen-time limits - Parent PIN and child mode keep controls in your hands - Live activity — see what your child is playing, even from another device - Kids can sign in on their own device with a code you approve — no email or account needed for your child - Comprehension quizzes, habit tracker, avatar builder, sticker album and parenting articles SAFE BY DESIGN - Completely ad-free - No third-party advertising or behavioral tracking - Child-friendly content for ages 3–10 Free to download. Wibblo Premium unlocks offline downloads (stories to go, no Wi-Fi) and more, with a 7-day free trial. Start the adventure — your child is the hero of every story. SUBSCRIPTION & LEGAL Wibblo Premium is an auto-renewable subscription (1 month / 3 months). Payment is charged to your App Store account at confirmation of purchase. It renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period; manage or cancel in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://wibblo-api.fulltools4you.com/legal/privacy
Screenshots
Verdict
The clearest difference is ads: Wibblo at none against Kotlin Tutorial's shown. Wibblo also leads on update cadence (every 10 days vs every 4 weeks). Kotlin Tutorial's advantage is iOS requirement (12.0 vs 15.0). On price, in-app purchases 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
Both are free to download. Kotlin Tutorial sells 1 in-app purchase, starting at $0.99 per month and Wibblo sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Kotlin Tutorial ships an update every 4 weeks, Wibblo every 10 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Kotlin Tutorial | Wibblo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 4 weeks | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 29 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Jayotsanaben Hadiya | FIRAT ADAR DAL |
In-app purchases
Kotlin Tutorial
- Monthly Pro Access$0.991 Month
Wibblo
- Wibblo Premium7 Days trial$3.991 Month
- Wibblo Premium7 Days trial$9.993 Months









