# DataForm Pro vs ISO

The clearest difference is iOS requirement: DataForm Pro at 11 against ISO's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DataForm Pro ships an update monthly, ISO every 5 weeks. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | DataForm Pro | ISO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 97 MB | 60 MB |
| Requires iOS | **11** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [magicomm ltd](https://appshunter.io/developer/951011648) | [ISO-Chemie GmbH](https://appshunter.io/developer/1674785623) |

## What reviewers say

### DataForm Pro

[App page](https://appshunter.io/ios/app/dataform-pro/id1520151738)

**Features:** macOS Compatibility

**In-app purchases:** none


### ISO

[App page](https://appshunter.io/ios/app/iso-chemie/id6445917242)

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

**In-app purchases:** none


## Frequently asked questions

### Is DataForm Pro free?

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

### Is ISO free?

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

### Do DataForm Pro or ISO have ads?

Neither DataForm Pro nor ISO shows ads.

### Which is updated more often, DataForm Pro or ISO?

DataForm Pro ships an update monthly, and ISO every 5 weeks. Most recently, DataForm Pro was updated on September 8, 2026 and ISO 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.*