# EMS Training vs ECHO Lock

The clearest difference is rating: ECHO Lock at 5.0 against EMS Training's 1.0. ECHO Lock also leads on update cadence (every 2 weeks vs every 2 months). EMS Training's advantage is iOS requirement (13.0 vs 15.6). On price, ratings volume, 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.

ECHO Lock holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

EMS Training ships an update every 2 months, ECHO Lock every 2 weeks. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | EMS Training | ECHO Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ems-training/id6738371031/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/echo-lock/id6741067047/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 32 MB | 54 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [磊华 曹](https://appshunter.io/developer/1776967974) | [LOWE AND FLETCHER LIMITED](https://appshunter.io/developer/1792842721) |

## What reviewers say

### EMS Training

[App page](https://appshunter.io/ios/app/ems-training/id6738371031)

This app provides a comprehensive system for Electrical Muscle Stimulation (EMS) training. It allows users to manage multiple clients, create customized training plans with various modes, and track real-time feedback for efficient and effective workouts.

**Highlights:** Multi-user client management, Customizable training plans, 12 default control modes, VIP adjustable mode, Real-time feedback and data tracking, Simple operation interface

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

**In-app purchases:** none


### ECHO Lock

[App page](https://appshunter.io/ios/app/echo-lock/id6741067047)

This app enables battery-free locking and unlocking of smart locks using NFC technology on your smartphone. It offers a keyless and maintenance-free access solution, requiring compatible smart locks to function.

**Highlights:** Battery-free smart lock operation, NFC-powered smartphone unlocking, Keyless access solution, Smartphone tap to lock/unlock, Maintenance-free system

**In-app purchases:** none


## Frequently asked questions

### Is EMS Training free?

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

### Is ECHO Lock free?

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

### Which has better reviews, EMS Training or ECHO Lock?

ECHO Lock is rated higher. EMS Training averages 1.0 out of 5 from 1 ratings, while ECHO Lock averages 5.0 from 1 ratings.

### Do EMS Training or ECHO Lock have ads?

Neither EMS Training nor ECHO Lock shows ads.

### Which is updated more often, EMS Training or ECHO Lock?

EMS Training ships an update every 2 months, and ECHO Lock every 2 weeks. Most recently, EMS Training was updated on September 30, 2026 and ECHO Lock on October 4, 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.*