# iSolar vs PROset App

The clearest difference is price: PROset App at Free against iSolar's $0.99. PROset App also leads on ads (none vs shown) and device support (3 vs 1). iSolar's advantage is update cadence (fortnightly vs every 7 months). On in-app purchases there is nothing between them.

PROset App is free to download; iSolar costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iSolar ships an update fortnightly, PROset App every 7 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | iSolar | PROset App |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 7 months |
| Size | 9 MB | 21 MB |
| Requires iOS | 18.0 | **12.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alain Lima](https://appshunter.io/developer/789421888) | [Zumtobel Lighting GmbH](https://appshunter.io/developer/397335156) |

## What reviewers say

### iSolar

[App page](https://appshunter.io/ios/app/isolar-install-solar-panel/id807174941)

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

**In-app purchases:** none


### PROset App

[App page](https://appshunter.io/ios/app/proset-app/id1364931712)

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

**In-app purchases:** none


## Frequently asked questions

### Is iSolar free?

iSolar costs $0.99, with no in-app purchases.

### Is PROset App free?

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

### Do iSolar or PROset App have ads?

iSolar shows ads; PROset App does not.

### Which is updated more often, iSolar or PROset App?

iSolar ships an update fortnightly, and PROset App every 7 months. Most recently, iSolar was updated on October 9, 2026 and PROset App on October 2, 2026.

---

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