# ZoneLink vs SolarCalc

The clearest difference is iOS requirement: ZoneLink at 13.0 against SolarCalc's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ZoneLink ships an update every 4 days, SolarCalc every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | ZoneLink | SolarCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 44 MB | 31 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Taylor](https://appshunter.io/developer/6776447082) | [Mustafa CALISKANOZTURK](https://appshunter.io/developer/6791932527) |

## What reviewers say

### ZoneLink

[App page](https://appshunter.io/ios/app/zonelink/id6794818466)

**In-app purchases:** none


### SolarCalc

[App page](https://appshunter.io/ios/app/solarcalc-pv-panel-and-battery/id6797648664)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZoneLink free?

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

### Is SolarCalc free?

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

### Do ZoneLink or SolarCalc have ads?

Neither ZoneLink nor SolarCalc shows ads.

### Which is updated more often, ZoneLink or SolarCalc?

ZoneLink ships an update every 4 days, and SolarCalc every 2 days. Most recently, ZoneLink was updated on October 31, 2026 and SolarCalc on October 31, 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.*