# Roller Coaster Kit vs WhizKid ABC

The clearest difference is price: WhizKid ABC at Free against Roller Coaster Kit's $6.99. WhizKid ABC also leads on review sentiment (100% vs 67%) and iOS requirement (13.4 vs 15.0). Roller Coaster Kit's advantage is update cadence (every 2 weeks vs every 4 weeks). On ads, in-app purchases, monetization model and device support there is nothing between them.

WhizKid ABC is free to download; Roller Coaster Kit costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Roller Coaster Kit ships an update every 2 weeks, WhizKid ABC every 4 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Roller Coaster Kit | WhizKid ABC |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.6 (217 ratings)](https://appshunter.io/ios/app/roller-coaster-kit/id6447486245/reviews)** | — |
| Number of ratings | **217** | — |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 170 MB | 46 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phd Apps LLC](https://appshunter.io/developer/1790286252) | [Raagist Limited](https://appshunter.io/developer/1691278469) |

## What reviewers say

### Roller Coaster Kit

[App page](https://appshunter.io/ios/app/roller-coaster-kit/id6447486245)

Design, build, and ride your own roller coasters with an intuitive interface. Create thrilling drops, loops, and twists with easy-to-use tools and a snap-to-grid function for perfect alignment. Test your creations and share them with friends.

**Highlights:** Intuitive track builder, Easy-to-use loop tool, Snap-to-grid function, Design twists and turns, Test and ride coasters, Creative control

**Features:** macOS Compatibility

**In-app purchases:** none


### WhizKid ABC

[App page](https://appshunter.io/ios/app/whizkid-abc/id6449969500)

This app teaches early phonics and reading skills using a child's favorite themes like cars, princesses, and animals. It offers interactive activities and vibrant visuals to keep young learners engaged and motivated.

**Highlights:** Personalized learning themes, Interactive phonics activities, Vibrant visuals and sounds, Confidence building, Offline learning card printing, Designed by expert educators

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Roller Coaster Kit free?

Roller Coaster Kit costs $6.99, with no in-app purchases.

### Is WhizKid ABC free?

WhizKid ABC is free to download, with no in-app purchases.

### Do Roller Coaster Kit or WhizKid ABC have ads?

Neither Roller Coaster Kit nor WhizKid ABC shows ads.

### Which is updated more often, Roller Coaster Kit or WhizKid ABC?

Roller Coaster Kit ships an update every 2 weeks, and WhizKid ABC every 4 weeks. Most recently, Roller Coaster Kit was updated on October 25, 2026 and WhizKid ABC on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*