# DetonatorEP1 vs iStem

The clearest difference is in-app purchases: DetonatorEP1 at none against iStem's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. iStem sells 1 one-off in-app purchase. DetonatorEP1 asks for nothing beyond the download.

## The numbers

| Metric | DetonatorEP1 | iStem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 47 MB | 79 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Juan Maguid](https://appshunter.io/developer/1680114440) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## What reviewers say

### DetonatorEP1

[App page](https://appshunter.io/ios/app/detonatorep1/id6502606562)

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

**In-app purchases:** none


### iStem

[App page](https://appshunter.io/ios/app/istem/id6793296941)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iStem Activation | $4.99 | one-time |


## Frequently asked questions

### Is DetonatorEP1 free?

DetonatorEP1 is free to download, with no in-app purchases.

### Is iStem free?

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

### Do DetonatorEP1 or iStem have ads?

Neither DetonatorEP1 nor iStem 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.*