# Atlans vs ClimbShade

The clearest difference is iOS requirement: ClimbShade at 15.1 against Atlans's 17.0. On price, update cadence, ads 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.

Atlans ships an update every 3 weeks, ClimbShade fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Atlans | ClimbShade |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 91 MB | 35 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [ZeroOne Company s.r.o](https://appshunter.io/developer/1461664919) | [SummitFlow, LLC](https://appshunter.io/developer/1846962764) |

## What reviewers say

### Atlans

[App page](https://appshunter.io/ios/app/atlans/id6714484925)

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

**In-app purchases:** none


### ClimbShade

[App page](https://appshunter.io/ios/app/climbshade-climbing-forecast/id6777346974)

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

**In-app purchases:** none


## Frequently asked questions

### Is Atlans free?

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

### Is ClimbShade free?

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

### Do Atlans or ClimbShade have ads?

Neither Atlans nor ClimbShade shows ads.

### Which is updated more often, Atlans or ClimbShade?

Atlans ships an update every 3 weeks, and ClimbShade fortnightly. Most recently, Atlans was updated on October 30, 2026 and ClimbShade on October 31, 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.*