# Solplanet vs Cotton Trace

The clearest difference is update cadence: Solplanet at every 9 days against Cotton Trace's every 3 months. 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.

Solplanet ships an update every 9 days, Cotton Trace every 3 months. The most recent releases landed on September 22, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Solplanet | Cotton Trace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/solplanet/id1607454432/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free | — |
| Size | 122 MB | 6 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AISWEI Technology Co., Ltd](https://appshunter.io/developer/528213286) | [Salman Akram](https://appshunter.io/developer/1690368546) |

## What reviewers say

### Solplanet

[App page](https://appshunter.io/ios/app/solplanet/id1607454432)

Easily set up, commission, and monitor your Solplanet inverters with this new generation application. Stay informed about your system's performance and manage its operations efficiently.

**Highlights:** Inverter setup, Commissioning tools, Performance monitoring, System management

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

**In-app purchases:** none


### Cotton Trace

[App page](https://appshunter.io/ios/app/cotton-trace-it/id6449741608)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solplanet free?

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

### Is Cotton Trace free?

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

### Do Solplanet or Cotton Trace have ads?

Neither Solplanet nor Cotton Trace shows ads.

### Which is updated more often, Solplanet or Cotton Trace?

Solplanet ships an update every 9 days, and Cotton Trace every 3 months. Most recently, Solplanet was updated on September 22, 2026 and Cotton Trace on May 17, 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.*