# SLP Training Event vs EchoStor Evolve

The clearest difference is iOS requirement: SLP Training Event at 13.0 against EchoStor Evolve's 15.0. 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 | SLP Training Event | EchoStor Evolve |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | — |
| Size | 3 MB | 7 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Stanley Black & Decker, Inc.](https://appshunter.io/developer/414050137) | [EchoStor Technologies, LLC](https://appshunter.io/developer/6814592319) |

## What reviewers say

### SLP Training Event

[App page](https://appshunter.io/ios/app/slp-training-event/id1623676207)

**Features:** macOS Compatibility

**In-app purchases:** none


### EchoStor Evolve

[App page](https://appshunter.io/ios/app/echostor-evolve/id6814592317)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SLP Training Event free?

SLP Training Event is free to download, with no in-app purchases.

### Is EchoStor Evolve free?

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

### Do SLP Training Event or EchoStor Evolve have ads?

Neither SLP Training Event nor EchoStor Evolve 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.*