# Isaksen Solar vs Solar.on

The clearest difference is update cadence: Isaksen Solar at every 2 months against Solar.on's every 4 months. Solar.on's advantage is iOS requirement (12.0 vs 15.6). 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.

Isaksen Solar ships an update every 2 months, Solar.on every 4 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Isaksen Solar | Solar.on |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/isaksen-solar/id1562747342/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Ad-supported | — |
| Size | 33 MB | 98 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Isaksen Solar LLC](https://appshunter.io/developer/1562747344) | [鑫 俞](https://appshunter.io/developer/1714265333) |

## What reviewers say

### Isaksen Solar

[App page](https://appshunter.io/ios/app/isaksen-solar/id1562747342)

Monitor your solar system's performance in real-time. Track environmental benefits like CO2 offset and trees planted. Easily contact support and refer friends to install their own solar systems.

**Highlights:** Real-time system performance monitoring, Lifetime environmental benefit tracking, CO2 Offset and trees planted metrics, Direct contact with support team, Friend referral program

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

**In-app purchases:** none


### Solar.on

[App page](https://appshunter.io/ios/app/solaron/id6479601705)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Isaksen Solar free?

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

### Is Solar.on free?

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

### Do Isaksen Solar or Solar.on have ads?

Neither Isaksen Solar nor Solar.on shows ads.

### Which is updated more often, Isaksen Solar or Solar.on?

Isaksen Solar ships an update every 2 months, and Solar.on every 4 months. Most recently, Isaksen Solar was updated on November 3, 2026 and Solar.on on November 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.*