# SunOnTrack vs TheWhyBG

The clearest difference is price: TheWhyBG at Free against SunOnTrack's $9.99. TheWhyBG also leads on iOS requirement (12.1 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

TheWhyBG is free to download; SunOnTrack costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SunOnTrack | TheWhyBG |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.6 (151 ratings)](https://appshunter.io/ios/app/sunontrack-sun-path-and-shadows/id1610305853/reviews)** | — |
| Number of ratings | **151** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 11 MB | 51 MB |
| Requires iOS | 16.0 | **12.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Moder](https://appshunter.io/developer/1610305855) | [WAA FZE LLC](https://appshunter.io/developer/1639916099) |

## What reviewers say

### SunOnTrack

[App page](https://appshunter.io/ios/app/sunontrack-sun-path-and-shadows/id1610305853)

Plan sunlight, sun position, and shadows accurately on a map or in AR. Visualize sun paths, elevation, and shadow lengths for photography, real estate, gardening, and photovoltaics.

**Highlights:** Sun path and position calculation, Shadow simulation and length calculation, Augmented Reality (AR) visualization, Map-based planning, Sunlight amount estimation, Seasonal shadow differences

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and intuitive
- ☀️ Accurate sun path simulation
- 💡 Useful for solar planning
- 🚀 Saves time and effort
- ✅ Works as described

**What reviewers complain about**

- 🐛 Shadows are static
- 🤔 No trial version available
- 🗺️ Outdated map data
- 🤷 No clear instructions or tutorial
- 📱 AR not working on some devices

**Reported bugs**

- Shadows are static and don’t change with time of day
- AR 3D error required sensor failed on iPhone 13 Pro
- Map is outdated
- Timeline overlaps the angle circle
- Cannot select future dates in the calendar on iPhone 13

**Requested features**

- Add wind data
- Allow account creation and sharing simulations online
- Improve precision of element placement
- Add a tutorial or user tips
- Enable future date selection in calendar


### TheWhyBG

[App page](https://appshunter.io/ios/app/thewhybg/id6458306545)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SunOnTrack free?

SunOnTrack costs $9.99, with no in-app purchases.

### Is TheWhyBG free?

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

### Do SunOnTrack or TheWhyBG have ads?

Neither SunOnTrack nor TheWhyBG shows ads.

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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.*