# SunSim Building vs Sunlight Sim

The clearest difference is device support: SunSim Building at 3 against Sunlight Sim's 1. SunSim Building also leads on iOS requirement (13.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. SunSim Building sells 3 in-app purchases, starting at $4.99 per month and Sunlight Sim sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SunSim Building | Sunlight Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/sunsim-building-sun-tracker/id6479755082/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 60.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 13 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [立娜 王](https://appshunter.io/developer/1761096632) | [Dear Friend Digital GmbH](https://appshunter.io/developer/1010437281) |

## What reviewers say

### SunSim Building

[App page](https://appshunter.io/ios/app/sunsim-building-sun-tracker/id6479755082)

This tool helps analyze home sun exposure using 3D modeling and solar trajectory simulation. It visualizes sunlight data, calculates duration, and generates reports for property evaluation. Features include floor plan and map modeling, unit layout simulation, and window view analysis.

**Highlights:** 3D modeling from floor plans or maps, Solar trajectory simulation, Sunlight duration statistics, 3D heatmap display, Window view simulation, Report generation (PDF, PNG, CSV)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $12.99 | per year |
| Permanent membership | $24.99 | one-time |


### Sunlight Sim

[App page](https://appshunter.io/ios/app/sunlight-sim/id6766578406)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 16 Credits | $3.99 | one-time |
| 40 Credits | $7.99 | one-time |
| 100 Credits | $17.99 | one-time |
| 240 Credits | $34.99 | one-time |


## Frequently asked questions

### Is SunSim Building free?

SunSim Building is free to download, with in-app purchases available.

### Is Sunlight Sim free?

Sunlight Sim is free to download, with in-app purchases available.

### Do SunSim Building or Sunlight Sim have ads?

Neither SunSim Building nor Sunlight Sim 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.*