# Expeditions vs Botany Knowledge Dictionary

The clearest difference is ads: Expeditions at none against Botany Knowledge Dictionary's shown. Botany Knowledge Dictionary's advantage is update cadence (daily vs every 2 months) and iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

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

Expeditions ships an update every 2 months, Botany Knowledge Dictionary daily. The most recent releases landed on October 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Expeditions | Botany Knowledge Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/expeditions-arnold-arboretum/id1474407642/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 134 MB | 102 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harvard University](https://appshunter.io/developer/382088726) | [Raj Mehta](https://appshunter.io/developer/1714953061) |

## What reviewers say

### Expeditions

[App page](https://appshunter.io/ios/app/expeditions-arnold-arboretum/id1474407642)

Discover the 281 acres of the Arnold Arboretum with this educational app. Explore over 60 featured plants and sites through photos, text, and audio to learn about botany, horticulture, conservation, and history. Hear stories from staff and understand the Arboretum's plant collecting expeditions.

**Highlights:** Explore 281 acres of landscape, Learn about 60+ featured plants and sites, Photos, text, and audio content, Discover botany, horticulture, and conservation, Hear Arboretum history and plant collecting stories, Staff interviews on their work

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

**In-app purchases:** none


### Botany Knowledge Dictionary

[App page](https://appshunter.io/ios/app/botany-knowledge-dictionary/id6743701638)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Expeditions free?

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

### Is Botany Knowledge Dictionary free?

Botany Knowledge Dictionary is free to download, with no in-app purchases.

### Do Expeditions or Botany Knowledge Dictionary have ads?

Botany Knowledge Dictionary shows ads; Expeditions does not.

### Which is updated more often, Expeditions or Botany Knowledge Dictionary?

Expeditions ships an update every 2 months, and Botany Knowledge Dictionary daily. Most recently, Expeditions was updated on October 24, 2026 and Botany Knowledge Dictionary on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*