# Calculation Time vs Pocket Convert

The clearest difference is in-app purchases: Calculation Time at none against Pocket Convert's 3. Pocket Convert's advantage is update cadence (every 2 days vs every 42 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pocket Convert sells 3 in-app purchases, starting at $3.99 per month. Calculation Time asks for nothing beyond the download.

Calculation Time ships an update every 42 months, Pocket Convert every 2 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calculation Time | Pocket Convert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 42 months | **Every 2 days** |
| Size | 5 MB | 163 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mert Cilli](https://appshunter.io/developer/1137367654) | [Ozcan Zafer AYAN](https://appshunter.io/developer/1721774749) |

## What reviewers say

### Calculation Time

[App page](https://appshunter.io/ios/app/calculation-time/id1479201130)

**In-app purchases:** none


### Pocket Convert

[App page](https://appshunter.io/ios/app/pocket-convert-file-converter/id6818750192)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $19.99 | per year |
| Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Calculation Time free?

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

### Is Pocket Convert free?

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

### Do Calculation Time or Pocket Convert have ads?

Both Calculation Time and Pocket Convert show ads.

### Which is updated more often, Calculation Time or Pocket Convert?

Calculation Time ships an update every 42 months, and Pocket Convert every 2 days. Most recently, Calculation Time was updated on November 7, 2026 and Pocket Convert on October 31, 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.*