# MAX Daylight vs SunSim Building

The clearest difference is in-app purchases: MAX Daylight at none against SunSim Building's 3. MAX Daylight also leads on review sentiment (94% vs 61%) and ratings volume (63 vs 3). SunSim Building's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SunSim Building sells 3 in-app purchases, starting at $4.99 per month. MAX Daylight asks for nothing beyond the download.

MAX Daylight holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: MAX Daylight has 63 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 94% of MAX Daylight's written reviews are positive against 61% of SunSim Building's.

MAX Daylight ships an update every 2 weeks, SunSim Building every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MAX Daylight | SunSim Building |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (63 ratings)](https://appshunter.io/ios/app/max-daylight/id1617201197/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/sunsim-building-sun-tracker/id6479755082/reviews) |
| Number of ratings | **63** | 3 |
| Positive reviews | **93.8% of reviews** | 60.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 36 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Mykytyn](https://appshunter.io/developer/1591280176) | [立娜 王](https://appshunter.io/developer/1761096632) |

## What reviewers say

### MAX Daylight

[App page](https://appshunter.io/ios/app/max-daylight/id1617201197)

Track remaining daylight and receive sunset notifications. Explore solar data globally, compare locations, and generate reports. Calculate distances to the Equator and poles.

**Highlights:** Real-time sunset time, Sunset notifications, Global sunrise/sunset monitoring, Location comparison, Distance to Equator/Poles, Solar data reports

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is MAX Daylight free?

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

### Is SunSim Building free?

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

### Which has better reviews, MAX Daylight or SunSim Building?

MAX Daylight is rated higher. MAX Daylight averages 4.9 out of 5 from 63 ratings, while SunSim Building averages 4.7 from 3 ratings.

### Do MAX Daylight or SunSim Building have ads?

Neither MAX Daylight nor SunSim Building shows ads.

### Which is updated more often, MAX Daylight or SunSim Building?

MAX Daylight ships an update every 2 weeks, and SunSim Building every 3 weeks. Most recently, MAX Daylight was updated on October 27, 2026 and SunSim Building on October 24, 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.*