# atmospherePro vs Pert Pro

The clearest difference is update cadence: atmospherePro at every 2 months against Pert Pro's every 21 months. atmospherePro also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

atmospherePro ships an update every 2 months, Pert Pro every 21 months. The most recent releases landed on September 19, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | atmospherePro | Pert Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Size | 38 MB | 188 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Atsign](https://appshunter.io/developer/1516551087) | [Switch Soft Technologies Pvt Ltd](https://appshunter.io/developer/506649855) |

## What reviewers say

### atmospherePro

[App page](https://appshunter.io/ios/app/atmospherepro/id1550936444)

**In-app purchases:** none


### Pert Pro

[App page](https://appshunter.io/ios/app/pert-pro/id1633957231)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is atmospherePro free?

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

### Is Pert Pro free?

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

### Do atmospherePro or Pert Pro have ads?

Neither atmospherePro nor Pert Pro shows ads.

### Which is updated more often, atmospherePro or Pert Pro?

atmospherePro ships an update every 2 months, and Pert Pro every 21 months. Most recently, atmospherePro was updated on September 19, 2026 and Pert Pro on May 16, 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.*