# Kid vs PhD Challenge

The clearest difference is ads: PhD Challenge at none against Kid's shown. Kid's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Kid sells 12 one-off in-app purchases and PhD Challenge sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Kid ships an update fortnightly, PhD Challenge every 3 weeks. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Kid | PhD Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.4K ratings)](https://appshunter.io/ios/app/kid-e-cats-playhouse/id1450525958/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 60.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 293 MB | 37 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CLEAR INVEST LTD](https://appshunter.io/developer/1260501789) | [智慧 吴](https://appshunter.io/developer/1894708009) |

## What reviewers say

### Kid

[App page](https://appshunter.io/ios/app/kid-e-cats-playhouse/id1450525958)

Explore a multi-story house filled with interactive rooms and hidden surprises. Dress up adorable kittens, create stories, and record your own animated cartoons to share.

**Highlights:** Interactive rooms with hidden surprises, Dress-up for kittens, Story creation tools, Cartoon recording and sharing, Offline play, Easy controls for young children

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Factory | $1.99 | one-time |
| Cafe | $1.99 | one-time |
| Airport | $1.99 | one-time |
| Car Service | $1.99 | one-time |
| Chase House | $1.99 | one-time |
| Hotel | $1.99 | one-time |
| Boris House | $1.99 | one-time |
| Cupcake House | $1.99 | one-time |
| Supermarket | $1.99 | one-time |
| Restaurant | $1.99 | one-time |
| The Cats House | $2.99 | one-time |
| Full version | $14.99 | one-time |

**What reviewers like**

- 🚀 Fun and entertaining
- 👍 Cute and engaging characters
- 🎨 Customization options
- 🎬 Video creation feature

**What reviewers complain about**

- 💰 Paywalls and in-app purchases
- 🔒 Limited access to content without payment
- 🐛 Occasional glitches and bugs
- 🔍 Lack of exploration outside the house

**Reported bugs**

- Rooms losing power/lights
- Inability to refresh the house
- Inconsistent unlocking of features

**Requested features**

- Make the game completely free
- Add more playable characters and locations
- Improve stability and fix bugs
- Expand the gameplay beyond the house


### PhD Challenge

[App page](https://appshunter.io/ios/app/phd-challenge/id6815483993)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Retake Ticket | $0.99 | one-time |
| 5 Retake Tickets | $2.99 | one-time |
| Unlimited Retakes | $9.99 | one-time |


## Frequently asked questions

### Is Kid free?

Kid is free to download, with in-app purchases available.

### Is PhD Challenge free?

PhD Challenge is free to download, with in-app purchases available.

### Do Kid or PhD Challenge have ads?

Kid shows ads; PhD Challenge does not.

### Which is updated more often, Kid or PhD Challenge?

Kid ships an update fortnightly, and PhD Challenge every 3 weeks. Most recently, Kid was updated on October 29, 2026 and PhD Challenge on October 21, 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.*