# Solar Calibrator vs Cove Angle

The clearest difference is price: Cove Angle at Free against Solar Calibrator's $9.99. Solar Calibrator's advantage is update cadence (every 10 months vs every 30 months) and iOS requirement (15.1 vs 17.2). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Cove Angle is free to download; Solar Calibrator costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Solar Calibrator against 5.0 for Cove Angle. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Solar Calibrator ships an update every 10 months, Cove Angle every 30 months. The most recent releases landed on November 12, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Solar Calibrator | Cove Angle |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/solar-calibrator/id1636630984/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cove-angle/id6476451736/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 30 months |
| Monetization | Paid | **Free** |
| Size | 40 MB | 3 MB |
| Requires iOS | **15.1** | 17.2 |
| Devices | iPhone, iPod | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Fawzi Fakhro](https://appshunter.io/developer/1636630986) | [Red Trillium Studios Ltd](https://appshunter.io/developer/1437466387) |

## What reviewers say

### Solar Calibrator

[App page](https://appshunter.io/ios/app/solar-calibrator/id1636630984)

This professional toolkit helps PV installers precisely calibrate panel angles, size battery banks and wire gauges, and generate PDF quotes. It includes tools for obstruction analysis and load auditing, all accessible offline.

**Highlights:** Solar compass and tilt angle calibration, Battery and inverter sizing, Wire gauge calculation, Load audit and quote builder, PV array and string sizing, Obstruction analysis, Offline functionality

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

**In-app purchases:** none


### Cove Angle

[App page](https://appshunter.io/ios/app/cove-angle/id6476451736)

This app simplifies complex calculations by automatically crunching numbers and saving your past results. Easily access and reapply previous calculations, and switch between metric and standard units. Syncs across devices with iCloud.

**Highlights:** Automatic number crunching, Save past calculations, Cross-device iCloud sync, Delete and reapply calculations, Metric and standard unit switching

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Solar Calibrator free?

Solar Calibrator costs $9.99, with no in-app purchases.

### Is Cove Angle free?

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

### Which has better reviews, Solar Calibrator or Cove Angle?

Solar Calibrator and Cove Angle are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Solar Calibrator or Cove Angle have ads?

Neither Solar Calibrator nor Cove Angle shows ads.

### Which is updated more often, Solar Calibrator or Cove Angle?

Solar Calibrator ships an update every 10 months, and Cove Angle every 30 months. Most recently, Solar Calibrator was updated on November 12, 2026 and Cove Angle 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.*