# Aquatopper vs Simple Solar

The clearest difference is in-app purchases: Aquatopper at none against Simple Solar's 4. Aquatopper also leads on update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Solar sells 4 in-app purchases, starting at $6.99 per month. Aquatopper asks for nothing beyond the download.

Aquatopper ships an update every 10 days, Simple Solar every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Aquatopper | Simple Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 22 MB | 73 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [RainWater Harvesting Limited](https://appshunter.io/developer/1636259834) | [Minutia Mobile](https://appshunter.io/developer/1446213585) |

## What reviewers say

### Aquatopper

[App page](https://appshunter.io/ios/app/aquatopper/id6446026946)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Solar

[App page](https://appshunter.io/ios/app/simple-solar/id6743857767)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Automation | $6.99 | per month |
| Yearly Subscription | $59.00 | per year |
| Remove Ads | $2.99 | one-time |
| Remove Ad's | $2.99 | one-time |


## Frequently asked questions

### Is Aquatopper free?

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

### Is Simple Solar free?

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

### Do Aquatopper or Simple Solar have ads?

Neither Aquatopper nor Simple Solar shows ads.

### Which is updated more often, Aquatopper or Simple Solar?

Aquatopper ships an update every 10 days, and Simple Solar every 3 weeks. Most recently, Aquatopper was updated on October 30, 2026 and Simple Solar on October 30, 2026.

---

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