# ESP/ IAP 2020 vs Immunotrain

The clearest difference is iOS requirement: ESP/ IAP 2020 at 11.0 against Immunotrain's 14.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | ESP/ IAP 2020 | Immunotrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Size | 64 MB | 29 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [esanum GmbH](https://appshunter.io/developer/745170014) | [Fabian Brand](https://appshunter.io/developer/1572309046) |

## What reviewers say

### ESP/ IAP 2020

[App page](https://appshunter.io/ios/app/esp-iap-2020/id1541819771)

**Features:** macOS Compatibility

**In-app purchases:** none


### Immunotrain

[App page](https://appshunter.io/ios/app/immunotrain/id1572309044)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESP/ IAP 2020 free?

ESP/ IAP 2020 is free to download, with no in-app purchases.

### Is Immunotrain free?

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

### Do ESP/ IAP 2020 or Immunotrain have ads?

Neither ESP/ IAP 2020 nor Immunotrain 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.*