# AtomC vs Skill Atlas

The clearest difference is in-app purchases: Skill Atlas at none against AtomC's 8. Skill Atlas also leads on update cadence (every 2 days vs every 10 days) and iOS requirement (13.0 vs 15.1). AtomC's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. AtomC sells 8 in-app purchases, starting at $29.99 per month. Skill Atlas asks for nothing beyond the download.

AtomC ships an update every 10 days, Skill Atlas every 2 days. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | AtomC | Skill Atlas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 43 MB | 59 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Brandon Moore](https://appshunter.io/developer/1057050766) | [CHARLES BERT BURKEEN](https://appshunter.io/developer/1864314414) |

## What reviewers say

### AtomC

[App page](https://appshunter.io/ios/app/atomc/id6757501330)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $29.99 | per month |
| Max Monthly | $79.99 | per month |
| Pro Yearly | $299.99 | per year |
| Max Yealy | $799.99 | per year |
| Starter Credit Pack | $9.99 | one-time |
| Growth Credit Pack | $45.00 | one-time |
| Business Credit Pack | $120.99 | one-time |
| Enterprise Credit Pack | $350.00 | one-time |


### Skill Atlas

[App page](https://appshunter.io/ios/app/skill-atlas/id6759538293)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AtomC free?

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

### Is Skill Atlas free?

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

### Do AtomC or Skill Atlas have ads?

Skill Atlas shows ads; AtomC does not.

### Which is updated more often, AtomC or Skill Atlas?

AtomC ships an update every 10 days, and Skill Atlas every 2 days. Most recently, AtomC was updated on October 1, 2026 and Skill Atlas on September 30, 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.*