# Sunsit Berlin vs Sunio

The clearest difference is in-app purchases: Sunio at none against Sunsit Berlin's 2. Sunio also leads on update cadence (every 5 days vs every 4 weeks). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Sunsit Berlin sells 2 in-app purchases, starting at $2.99 per month. Sunio asks for nothing beyond the download.

Sunsit Berlin ships an update every 4 weeks, Sunio every 5 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sunsit Berlin | Sunio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (9 ratings)](https://appshunter.io/ios/app/sunio-sun-tracker-3d-shadow/id6753144445/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 34 MB |
| Requires iOS | 18.0 | 18 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Janik Dostert](https://appshunter.io/developer/1779781031) | [Daniel Slave](https://appshunter.io/developer/1126366753) |

## What reviewers say

### Sunsit Berlin

[App page](https://appshunter.io/ios/app/sunsit-berlin/id6742383285)

This app visualizes real-time sun and shadow patterns across Berlin, helping you find the sunniest spots. It uses detailed height data to predict shade from buildings and trees, allowing you to plan outdoor activities with confidence.

**Highlights:** Real-time shadow overlay on map, Sun/shade timeline for any location, Interactive shadow scrubbing, Park sun/shade breakdown, Save favorite sunny spots, Weather integration

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $12.99 | per year |


### Sunio

[App page](https://appshunter.io/ios/app/sunio-sun-tracker-3d-shadow/id6753144445)

Visualize the sun's path and its impact on terrain in 3D. Plan photography, evaluate property sunlight, and optimize solar panel placement with accurate, animated lighting and shadow simulations.

**Highlights:** 3D animated sunlight and shadow simulation, Augmented Reality sun path overlay, Precise golden hour and twilight times, Property sun exposure analysis, Solar panel optimization tools, Interactive time scrubbing

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

**In-app purchases:** none


## Frequently asked questions

### Is Sunsit Berlin free?

Sunsit Berlin is free to download, with in-app purchases available.

### Is Sunio free?

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

### Do Sunsit Berlin or Sunio have ads?

Neither Sunsit Berlin nor Sunio shows ads.

### Which is updated more often, Sunsit Berlin or Sunio?

Sunsit Berlin ships an update every 4 weeks, and Sunio every 5 days. Most recently, Sunsit Berlin was updated on October 14, 2026 and Sunio on October 11, 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.*