# Sun Calculator vs TBPS Lite

The clearest difference is price: TBPS Lite at Free against Sun Calculator's $2.99. TBPS Lite also leads on update cadence (weekly vs every 48 months). Sun Calculator's advantage is chart position (#67 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

TBPS Lite is free to download; Sun Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sun Calculator ships an update every 48 months, TBPS Lite weekly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sun Calculator | TBPS Lite |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/sun-calculator/id1603759487/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Weekly** |
| Monetization | Paid | — |
| Best chart rank | **#67** | — |
| Size | 9 MB | 32 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Wu Bin](https://appshunter.io/developer/625703424) |

## What reviewers say

### Sun Calculator

[App page](https://appshunter.io/ios/app/sun-calculator/id1603759487)

**Currently charting:** #67 Top Paid · Entertainment (US App Store)

This app simulates the sun's movement and sunlight phases in a 3D environment. It calculates sun azimuth, height, and shadow length for any given location and time, with interactive controls for time flow and device orientation.

**Highlights:** Interactive 3D sun movement simulation, Calculates sun azimuth, height, and zenith angle, Sunrise, sunset, dusk, and dawn time calculation, Daytime length and shadow length calculation, Custom object height for shadow distance, Device rotation for compass orientation, Time flow for shadow change preview

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

**In-app purchases:** none


### TBPS Lite

[App page](https://appshunter.io/ios/app/tbps-lite/id6739697481)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sun Calculator free?

Sun Calculator costs $2.99, with no in-app purchases.

### Is TBPS Lite free?

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

### Do Sun Calculator or TBPS Lite have ads?

Neither Sun Calculator nor TBPS Lite shows ads.

### Which is updated more often, Sun Calculator or TBPS Lite?

Sun Calculator ships an update every 48 months, and TBPS Lite weekly. Most recently, Sun Calculator was updated on October 7, 2026 and TBPS Lite on October 9, 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.*