# TimeTree HD vs Basic Arithmetic Practice Pro

The clearest difference is price: TimeTree HD at Free against Basic Arithmetic Practice Pro's $0.29. TimeTree HD also leads on iOS requirement (8.0 vs 13.0). Basic Arithmetic Practice Pro's advantage is device support (3 vs 1). On ads and in-app purchases there is nothing between them.

TimeTree HD is free to download; Basic Arithmetic Practice Pro costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | TimeTree HD | Basic Arithmetic Practice Pro |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/timetree-hd/id468820058/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | — |
| Monetization | Free | — |
| Size | 66 MB | 20 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Arizona and Penn State Universities](https://appshunter.io/developer/372842503) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### TimeTree HD

[App page](https://appshunter.io/ios/app/timetree-hd/id468820058)

Explore the evolutionary timescale of life with this app. It provides a public knowledge base of divergence times among thousands of organisms, drawing from scientific literature. Easily search for comparisons between species and view summary statistics.

**Highlights:** Explore evolutionary timescale, Thousands of divergence times, Tree-based hierarchical system, Search for organism comparisons, Compute summary statistics, Data from 2,274 studies

**Features:** macOS Compatibility

**In-app purchases:** none


### Basic Arithmetic Practice Pro

[App page](https://appshunter.io/ios/app/basic-arithmetic-practice-pro/id6756170320)

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

**In-app purchases:** none


## Frequently asked questions

### Is TimeTree HD free?

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

### Is Basic Arithmetic Practice Pro free?

Basic Arithmetic Practice Pro costs $0.29, with no in-app purchases.

### Do TimeTree HD or Basic Arithmetic Practice Pro have ads?

Neither TimeTree HD nor Basic Arithmetic Practice Pro 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.*