# Ennos vs Solar Pump

The clearest difference is update cadence: Solar Pump at every 4 days against Ennos's monthly. Solar Pump also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ennos ships an update monthly, Solar Pump every 4 days. The most recent releases landed on October 23, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Ennos | Solar Pump |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 6 MB | 25 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ennos Ag](https://appshunter.io/developer/1828445858) | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) |

## What reviewers say

### Ennos

[App page](https://appshunter.io/ios/app/ennos/id6749009347)

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

**In-app purchases:** none


### Solar Pump

[App page](https://appshunter.io/ios/app/solar-pump-solar-pumping/id6800800302)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ennos free?

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

### Is Solar Pump free?

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

### Do Ennos or Solar Pump have ads?

Neither Ennos nor Solar Pump shows ads.

### Which is updated more often, Ennos or Solar Pump?

Ennos ships an update monthly, and Solar Pump every 4 days. Most recently, Ennos was updated on October 23, 2026 and Solar Pump on October 4, 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.*