# Waldoku vs RainEl

The clearest difference is ads: Waldoku at none against RainEl's shown. Waldoku also leads on update cadence (every 9 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Waldoku sells 10 one-off in-app purchases and RainEl sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Waldoku ships an update every 9 days, RainEl monthly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Waldoku | RainEl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Monthly |
| Size | 220 MB | 108 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sori Games](https://appshunter.io/developer/391114892) | [Andrey Lunevich](https://appshunter.io/developer/1290386965) |

## What reviewers say

### Waldoku

[App page](https://appshunter.io/ios/app/waldoku/id6785347943)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hints x5 | $0.99 | one-time |
| Dog Finders x5 | $0.99 | one-time |
| Remove Ads for 24 Hours | $0.99 | one-time |
| Dog Finders x20 | $2.99 | one-time |
| Hints x20 | $2.99 | one-time |
| Remove Ads for 7 Days | $2.99 | one-time |
| Hints x50 | $7.99 | one-time |
| Dog Finders x50 | $7.99 | one-time |
| Remove Ads Forever | $9.99 | one-time |
| Rookie detective kit | $9.99 | one-time |


### RainEl

[App page](https://appshunter.io/ios/app/rainel-rainbow-elimination/id6787783227)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Welcome Offer | $0.99 | one-time |
| 5 Swaps | $0.99 | one-time |
| 5 Hints | $0.99 | one-time |
| 15 Hints | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 50 Swaps | $4.99 | one-time |
| 50 Hints | $4.99 | one-time |


## Frequently asked questions

### Is Waldoku free?

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

### Is RainEl free?

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

### Do Waldoku or RainEl have ads?

RainEl shows ads; Waldoku does not.

### Which is updated more often, Waldoku or RainEl?

Waldoku ships an update every 9 days, and RainEl monthly. Most recently, Waldoku was updated on October 31, 2026 and RainEl on October 31, 2026.

---

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