# ATLAS vs Sky Circle

The clearest difference is in-app purchases: ATLAS at none against Sky Circle's 1. Sky Circle's advantage is update cadence (every 5 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sky Circle sells 1 in-app purchase, starting at $1.99 per month. ATLAS asks for nothing beyond the download.

ATLAS ships an update every 3 months, Sky Circle every 5 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ATLAS | Sky Circle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/atlas-gap/id1498778384/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 8 MB | 69 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Global Appearance Partners DBA Atlas](https://appshunter.io/developer/1498778383) | [Nicolette Clement](https://appshunter.io/developer/1787346312) |

## What reviewers say

### ATLAS

[App page](https://appshunter.io/ios/app/atlas-gap/id1498778384)

This app streamlines the booking, tracking, and management of aircraft cleanings. It offers nationwide coverage, fixed pricing, and access to a network of verified detailing professionals. Simplify your aircraft appearance management with a single point of contact.

**Highlights:** Book aircraft cleanings, Track cleaning status, Manage cleaning services, Nationwide coverage, Fixed pricing, Verified vendor network

**Features:** macOS Compatibility

**In-app purchases:** none


### Sky Circle

[App page](https://appshunter.io/ios/app/sky-circle/id6739862988)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sky Circle Subscription | $1.99 | per month |


## Frequently asked questions

### Is ATLAS free?

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

### Is Sky Circle free?

Sky Circle is free to download, with in-app purchases available.

### Do ATLAS or Sky Circle have ads?

Neither ATLAS nor Sky Circle shows ads.

### Which is updated more often, ATLAS or Sky Circle?

ATLAS ships an update every 3 months, and Sky Circle every 5 days. Most recently, ATLAS was updated on October 10, 2026 and Sky Circle on October 6, 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.*