# ChronoCalc Pro vs Fileroom

The clearest difference is in-app purchases: ChronoCalc Pro at none against Fileroom's 3. Fileroom's advantage is update cadence (every 9 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fileroom sells 3 in-app purchases, starting at $5.99 per month. ChronoCalc Pro asks for nothing beyond the download.

ChronoCalc Pro ships an update every 5 months, Fileroom every 9 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | ChronoCalc Pro | Fileroom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 4 MB | 214 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ERLEND JOHNSRUD VAAGE](https://appshunter.io/developer/1760100550) | [Mohammed Shrayyef](https://appshunter.io/developer/1313980485) |

## What reviewers say

### ChronoCalc Pro

[App page](https://appshunter.io/ios/app/chronocalc-pro/id6757017750)

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

**In-app purchases:** none


### Fileroom

[App page](https://appshunter.io/ios/app/fileroom/id6769040956)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Monthly | $5.99 | per month |
| Pro Yearly | $59.99 | per year |
| Pro – Lifetime | $150.00 | one-time |


## Frequently asked questions

### Is ChronoCalc Pro free?

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

### Is Fileroom free?

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

### Do ChronoCalc Pro or Fileroom have ads?

Neither ChronoCalc Pro nor Fileroom shows ads.

### Which is updated more often, ChronoCalc Pro or Fileroom?

ChronoCalc Pro ships an update every 5 months, and Fileroom every 9 days. Most recently, ChronoCalc Pro was updated on November 5, 2026 and Fileroom on November 5, 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.*