# Rainbow guppy vs Trouble Kat Four

The clearest difference is in-app purchases: Rainbow guppy at none against Trouble Kat Four's 2. Rainbow guppy also leads on ratings volume (93 vs 14) and iOS requirement (12.1 vs 14.0). Trouble Kat Four's advantage is update cadence (every 3 weeks vs every 26 months). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Trouble Kat Four sells 2 one-off in-app purchases. Rainbow guppy asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for Rainbow guppy against 4.2 for Trouble Kat Four. That said, the two scores are not equally well evidenced: Rainbow guppy has 93 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 57% of Rainbow guppy's written reviews are positive against 50% of Trouble Kat Four's.

Rainbow guppy ships an update every 26 months, Trouble Kat Four every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Rainbow guppy | Trouble Kat Four |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (93 ratings)](https://appshunter.io/ios/app/rainbow-guppy/id1459197794/reviews) | **[4.2 (14 ratings)](https://appshunter.io/ios/app/trouble-kat-four/id6471244928/reviews)** |
| Number of ratings | **93** | 14 |
| Positive reviews | **57.1% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 16 MB |
| Requires iOS | **12.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [DAN BEE KIM](https://appshunter.io/developer/1361103957) | [Luu Thi Tuyet Minh](https://appshunter.io/developer/1406224933) |

## What reviewers say

### Rainbow guppy

[App page](https://appshunter.io/ios/app/rainbow-guppy/id1459197794)

Express yourself with a vibrant collection of animated and static stickers featuring a cheerful rainbow-finned tropical fish. Perfect for celebrating Pride Day and spreading messages of love and inclusivity.

**Highlights:** Animated stickers, Static stickers, Rainbow fin tropical fish design, Pride Day celebration theme, Cute and cheerful aesthetic

**In-app purchases:** none


### Trouble Kat Four

[App page](https://appshunter.io/ios/app/trouble-kat-four/id6471244928)

Enhance your iMessage chats with a vibrant collection of 88 animated and static stickers. Express a wide range of emotions with high-quality designs. Unlock the full pack to bring your conversations to life.

**Highlights:** 88 unique stickers, 48 animated stickers, 40 static stickers, High-quality designs, 28 free starter stickers, Unlock full expression

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trouble Kat Four: Buy Pro | $0.99 | one-time |
| Trouble Kat Four: Buy us a cf | $0.99 | one-time |


## Frequently asked questions

### Is Rainbow guppy free?

Rainbow guppy is free to download, with no in-app purchases.

### Is Trouble Kat Four free?

Trouble Kat Four is free to download, with in-app purchases available.

### Which has better reviews, Rainbow guppy or Trouble Kat Four?

Trouble Kat Four is rated higher. Rainbow guppy averages 4.2 out of 5 from 93 ratings, while Trouble Kat Four averages 4.2 from 14 ratings.

### Do Rainbow guppy or Trouble Kat Four have ads?

Neither Rainbow guppy nor Trouble Kat Four shows ads.

### Which is updated more often, Rainbow guppy or Trouble Kat Four?

Rainbow guppy ships an update every 26 months, and Trouble Kat Four every 3 weeks. Most recently, Rainbow guppy was updated on November 3, 2026 and Trouble Kat Four on November 4, 2026.

---

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