# Solar Book vs TimeGuard Pro

The clearest difference is device support: Solar Book at 3 against TimeGuard Pro's —. Solar Book also leads on iOS requirement (12.0 vs 15.1). On price 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.

## The numbers

| Metric | Solar Book | TimeGuard Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/solar-book/id1078873201/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 14 months | — |
| Monetization | Free | — |
| Size | 5 MB | 17 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Vixen Co.,Ltd.](https://appshunter.io/developer/536188843) | [Labh Bothra](https://appshunter.io/developer/1723519479) |

## What reviewers say

### Solar Book

[App page](https://appshunter.io/ios/app/solar-book/id1078873201)

This app provides detailed information about solar eclipses, including timings for different phases based on your location. It allows you to view sequential images and star charts for planning and observation.

**Highlights:** Solar eclipse phase timing, Location-based eclipse calculations, Sequential eclipse image display, Star chart visualization, Past and future eclipse planning

**In-app purchases:** none


### TimeGuard Pro

[App page](https://appshunter.io/ios/app/timeguard-pro/id6743679489)

**In-app purchases:** none


## Frequently asked questions

### Is Solar Book free?

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

### Is TimeGuard Pro free?

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

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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.*