# Hydrosolar 24 vs Gresham POA

The clearest difference is ads: Hydrosolar 24 at none against Gresham POA's shown. On price, update cadence, 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.

Hydrosolar 24 ships an update every 10 months, Gresham POA every 12 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Hydrosolar 24 | Gresham POA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 12 months |
| Size | 3 MB | 50 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [HYDROSOLAR](https://appshunter.io/developer/662898422) | [Gresham Police Officers Assn](https://appshunter.io/developer/1439580578) |

## What reviewers say

### Hydrosolar 24

[App page](https://appshunter.io/ios/app/hydrosolar-24/id662898419)

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

**In-app purchases:** none


### Gresham POA

[App page](https://appshunter.io/ios/app/gresham-poa/id1439580579)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hydrosolar 24 free?

Hydrosolar 24 is free to download, with no in-app purchases.

### Is Gresham POA free?

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

### Do Hydrosolar 24 or Gresham POA have ads?

Gresham POA shows ads; Hydrosolar 24 does not.

### Which is updated more often, Hydrosolar 24 or Gresham POA?

Hydrosolar 24 ships an update every 10 months, and Gresham POA every 12 months. Most recently, Hydrosolar 24 was updated on November 6, 2026 and Gresham POA on November 2, 2026.

---

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