# CanopyAtlas vs SailPrep

The clearest difference is ads: SailPrep at none against CanopyAtlas's shown. SailPrep also leads on iOS requirement (15.1 vs 26.0). CanopyAtlas's advantage is update cadence (weekly vs every 2 weeks). 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.

CanopyAtlas ships an update weekly, SailPrep every 2 weeks. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CanopyAtlas | SailPrep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 44 MB | 66 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [George Maier](https://appshunter.io/developer/1764799356) | [Monika Zibolyte](https://appshunter.io/developer/6772920181) |

## What reviewers say

### CanopyAtlas

[App page](https://appshunter.io/ios/app/canopyatlas/id6742179348)

Discover and map remarkable trees globally. Learn species details, record measurements, and contribute to a growing database. Connect with a community dedicated to tree appreciation and conservation.

**Highlights:** Global tree map exploration, Detailed species information, Save favorite trees, Track visited trees, Submit new tree data, Contribute to a living database

**In-app purchases:** none


### SailPrep

[App page](https://appshunter.io/ios/app/sailprep/id6772920179)

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

**In-app purchases:** none


## Frequently asked questions

### Is CanopyAtlas free?

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

### Is SailPrep free?

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

### Do CanopyAtlas or SailPrep have ads?

CanopyAtlas shows ads; SailPrep does not.

### Which is updated more often, CanopyAtlas or SailPrep?

CanopyAtlas ships an update weekly, and SailPrep every 2 weeks. Most recently, CanopyAtlas was updated on October 11, 2026 and SailPrep on October 5, 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.*