# Cumulus vs Skillmark

The clearest difference is in-app purchases: Cumulus at none against Skillmark's 1. Cumulus also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 days). Skillmark's advantage is iOS requirement (15.0 vs 18.5). On price and device support there is nothing between them.

Both are free to download. Skillmark sells 1 one-off in-app purchase. Cumulus asks for nothing beyond the download.

Cumulus ships an update every 2 days, Skillmark every 5 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cumulus | Skillmark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 11 MB | 22 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ADAM CLAYTON HOLWERDA](https://appshunter.io/developer/1875786443) | [Sean Mitchell](https://appshunter.io/developer/6809554477) |

## What reviewers say

### Cumulus

[App page](https://appshunter.io/ios/app/cumulus-skill-tracker/id6758922894)

**Features:** macOS Compatibility

**In-app purchases:** none


### Skillmark

[App page](https://appshunter.io/ios/app/skillmark/id6809554475)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skillmark Plus | $5.99 | one-time |


## Frequently asked questions

### Is Cumulus free?

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

### Is Skillmark free?

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

### Do Cumulus or Skillmark have ads?

Skillmark shows ads; Cumulus does not.

### Which is updated more often, Cumulus or Skillmark?

Cumulus ships an update every 2 days, and Skillmark every 5 days. Most recently, Cumulus was updated on October 28, 2026 and Skillmark on October 24, 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.*