# Cumulus vs Inazuma

The clearest difference is in-app purchases: Inazuma at none against Cumulus's 6. Inazuma also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cumulus sells 6 one-off in-app purchases. Inazuma asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Cumulus | Inazuma |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 180 MB | 27 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adolf Thies GMBH & CO. KG](https://appshunter.io/developer/1491679426) | [Johannes Kurzweil](https://appshunter.io/developer/1436223937) |

## What reviewers say

### Cumulus

[App page](https://appshunter.io/ios/app/cumulus/id1491679427)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12 months archiving period | $8.99 | one-time |
| 24 months archiving period | $15.99 | one-time |
| 1 year event handling | $84.99 | one-time |
| Buy 10 users | $139.99 | one-time |
| Buy 20 users | $179.99 | one-time |
| Buy 50 users | $299.99 | one-time |


### Inazuma

[App page](https://appshunter.io/ios/app/inazuma/id6466607864)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cumulus free?

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

### Is Inazuma free?

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

### Do Cumulus or Inazuma have ads?

Neither Cumulus nor Inazuma shows ads.

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

Cumulus ships an update every 2 months, and Inazuma every 2 months. Most recently, Cumulus was updated on August 16, 2026 and Inazuma on September 19, 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.*