# Whenr Whenr vs SolarLunar Data

The clearest difference is ratings volume: Whenr Whenr at 4 against SolarLunar Data's 1. Whenr Whenr also leads on device support (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Whenr Whenr against 5.0 for SolarLunar Data. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | Whenr Whenr | SolarLunar Data |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/whenr-whenr/id1659481999/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/solarlunar-data/id6475114921/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | — |
| Monetization | Free | Free |
| Size | 4 MB | 3 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Darin Kelkhoff](https://appshunter.io/developer/1659482001) | [Thomas Mead](https://appshunter.io/developer/1723362092) |

## What reviewers say

### Whenr Whenr

[App page](https://appshunter.io/ios/app/whenr-whenr/id1659481999)

This app simplifies complex time calculations, helping you easily determine time differences, future times, and duration sums. It offers an intuitive interface and convenient options to copy, set reminders, or share results.

**Highlights:** Calculate time differences, Determine future times, Sum time durations, Copy results to clipboard, Create reminders from results, Share time calculations

**Features:** Vision Pro support

**In-app purchases:** none


### SolarLunar Data

[App page](https://appshunter.io/ios/app/solarlunar-data/id6475114921)

Visualize sun and moon shadows at any time and location. Save favorite spots, receive sunrise/sunset alerts, and check current sky conditions. Zoom in for detailed analysis of celestial body positions.

**Highlights:** Sun and moon shadow visualization, Time and date manipulation, Favorite locations list, Sunrise/sunset alerts, Moon phase tracking, Map-based location search, Current sky conditions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Whenr Whenr free?

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

### Is SolarLunar Data free?

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

### Which has better reviews, Whenr Whenr or SolarLunar Data?

Whenr Whenr and SolarLunar Data are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Whenr Whenr or SolarLunar Data have ads?

Neither Whenr Whenr nor SolarLunar Data 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.*