# TimeTree HD vs Phylogenetic Tree View

The clearest difference is ads: TimeTree HD at none against Phylogenetic Tree View's shown. TimeTree HD also leads on iOS requirement (8.0 vs 13.0). Phylogenetic Tree View's advantage is update cadence (every 11 months vs every 23 months) and device support (3 vs 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.

TimeTree HD ships an update every 23 months, Phylogenetic Tree View every 11 months. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | TimeTree HD | Phylogenetic Tree View |
| --- | --- | --- |
| Price | Free | Free |
| 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** | Yes |
| Update frequency | Every 23 months | **Every 11 months** |
| Monetization | Free | — |
| Size | 66 MB | 28 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arizona and Penn State Universities](https://appshunter.io/developer/372842503) | [Sigmar Stefansson](https://appshunter.io/developer/1650379171) |

## 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


### Phylogenetic Tree View

[App page](https://appshunter.io/ios/app/phylogenetic-tree-view/id6444221294)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TimeTree HD free?

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

### Is Phylogenetic Tree View free?

Phylogenetic Tree View is free to download, with no in-app purchases.

### Do TimeTree HD or Phylogenetic Tree View have ads?

Phylogenetic Tree View shows ads; TimeTree HD does not.

### Which is updated more often, TimeTree HD or Phylogenetic Tree View?

TimeTree HD ships an update every 23 months, and Phylogenetic Tree View every 11 months. Most recently, TimeTree HD was updated on October 7, 2026 and Phylogenetic Tree View on September 27, 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.*