# OnBoard For Pros vs Evalation CORR

OnBoard For Pros and Evalation CORR are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | OnBoard For Pros | Evalation CORR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 98 MB | 38 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The AZEK Company Inc.](https://appshunter.io/developer/895289266) | [Evalation](https://appshunter.io/developer/1890279124) |

## What reviewers say

### OnBoard For Pros

[App page](https://appshunter.io/ios/app/onboard-for-pros/id6755247513)

**Features:** macOS Compatibility

**In-app purchases:** none


### Evalation CORR

[App page](https://appshunter.io/ios/app/evalation-corr/id6776379181)

**In-app purchases:** none


## Frequently asked questions

### Is OnBoard For Pros free?

OnBoard For Pros is free to download, with no in-app purchases.

### Is Evalation CORR free?

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

### Do OnBoard For Pros or Evalation CORR have ads?

Neither OnBoard For Pros nor Evalation CORR shows ads.

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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.*