Comparison

Tuning Fork Study vs Fixies Coloring Book

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

Head to head
About

Tuning Fork Study

Features
Read full description

Tuning Fork Effects EduTech is an interactive learning app designed to help students understand the effects of a vibrating tuning fork. Through clear explanations, engaging visuals, and activity-based demonstrations, the app makes learning about sound vibrations simple and fun. Students can explore how a tuning fork produces sound, how vibrations propagate through different mediums, and how sound waves interact with the environment. The app features 3D interactive models that can be zoomed, rotated, and explored offline, making physics concepts easier to visualize and understand. Ideal for school-level physics, the app helps learners grasp the fundamentals of sound, vibration, and wave propagation with an interactive and hands-on approach. Features: - Interactive 3D tuning fork models with zoom & rotate - Learn how vibrations produce sound - Understand wave propagation and effects - Clear, student-friendly explanations - Works completely offline - no internet needed - Activity-based visuals for deeper understanding - Perfect for school physics and sound experiments Explore the fascinating world of vibrations and sound with Tuning Fork Effects EduTech, your interactive guide to learning physics effectively.

About

Fixies Coloring Book

This app allows children to color cartoon characters and participate in weekly online drawing contests. Submitted artwork is moderated and can receive votes from other users, with top entries featured. It offers simple coloring tools and voice guidance, making it easy for young children to use.

Highlights
  • Coloring pages based on The Fixies
  • Weekly online drawing contests
  • Artwork submission and voting
  • Hall of Fame for top entries
  • Simple coloring tools
  • Voice guidance for kids
  • Moderated submissions
Features
Read full description

Color, submit, and see your child’s artwork get votes. The largest collection of coloring pages based on The Fixies, plus weekly online drawing contests. Contest participation is free. Kids color their favorite characters and submit their artwork to contests. After moderation, drawings appear in the contest gallery where other users can vote. Top entries are featured in the app’s Hall of Fame. How contests work: 1. Choose a picture and color it 2. Submit the artwork for moderation 3. After approval, it appears in the contest gallery and starts getting votes When contests take place: Every week from Wednesday through Sunday. Turn on notifications so you don’t miss a new contest. Designed for kids: * simple and easy-to-use coloring tools * bright colors and fun textures * voice guidance — no reading required Safe for kids: * all submissions are moderated * no direct communication between users * compliant with children’s data protection standards This app is part of the Kidify collection. One subscription unlocks the full library: * 23 educational apps (regularly updated) * 450+ coloring pages with contests * 100+ puzzles * dozens of educational mini-games * early math learning from counting to basic skills Download “Fixies: Coloring & Contests” — kids can color, submit their artwork, and take part in contests. Some content is available for free, while the full experience requires a subscription with monthly or yearly plans. Subscriptions renew automatically. Privacy Policy: https://kidify.games/privacy-policy/ Terms of Use: https://kidify.games/terms-of-use/

Screenshots

Tuning Fork Study4 screens
Fixies Coloring Book4 screens

Verdict

The call

The clearest difference is price: Fixies Coloring Book at Free against Tuning Fork Study's $1.99. Fixies Coloring Book also leads on update cadence (every 6 weeks vs every 37 months). Tuning Fork Study's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.0). On 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

Fixies Coloring Book is free to download; Tuning Fork Study costs $1.99 up front. Fixies Coloring Book sells 3 in-app purchases, starting at $5.99 per month. Tuning Fork Study asks for nothing beyond the download.

UpkeepUpdate frequency

Tuning Fork Study ships an update every 37 months, Fixies Coloring Book every 6 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 5 level
Tuning Fork Study versus Fixies Coloring Book: the parameters behind the verdict, then further details
ParameterTuning Fork StudyFixies Coloring Book
Price$1.99Free — better
Rating—4.6 (15 ratings) — better
Number of ratings—15 — better
Update frequencyEvery 37 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size224 MB253 MB
Age rating4+4+
DeveloperVIRTUAL FILAMENTS PRIVATE LIMITEDApic Ways

In-app purchases

None

Tuning Fork Study

No in-app purchases

3 purchases

Fixies Coloring Book

Subscriptions3
  • Kidify Games for Month3 Days trial$5.991 Month
  • Kidify Games for Month$5.991 Month
  • Kidify Games for Year$39.991 Year

Questions

Is Tuning Fork Study free?
Tuning Fork Study costs $1.99, with no in-app purchases.
Is Fixies Coloring Book free?
Fixies Coloring Book is free to download, with in-app purchases available.
Do Tuning Fork Study or Fixies Coloring Book have ads?
Neither Tuning Fork Study nor Fixies Coloring Book shows ads.
Which is updated more often, Tuning Fork Study or Fixies Coloring Book?
Tuning Fork Study ships an update every 37 months, and Fixies Coloring Book every 6 weeks. Most recently, Tuning Fork Study was updated on October 27, 2026 and Fixies Coloring Book on October 30, 2026.

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