# BT Charger vs EVO Devices

The clearest difference is update cadence: BT Charger at fortnightly against EVO Devices's every 19 months. BT Charger also leads on iOS requirement (9.2 vs 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.

BT Charger ships an update fortnightly, EVO Devices every 19 months. The most recent releases landed on October 26, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BT Charger | EVO Devices |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/evo-devices/id1576425866/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 19 months |
| Monetization | — | Free |
| Size | 40 MB | 9 MB |
| Requires iOS | **9.2** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [appunique](https://appshunter.io/developer/927378702) | [Evolution Controls Inc.](https://appshunter.io/developer/1576425868) |

## What reviewers say

### BT Charger

[App page](https://appshunter.io/ios/app/bt-charger/id979809714)

**Features:** macOS Compatibility

**In-app purchases:** none


### EVO Devices

[App page](https://appshunter.io/ios/app/evo-devices/id1576425866)

This utility app enables users to scan for and connect to EVO ECM-BCU controls within their phone's signal range. It facilitates various operations, including renaming controls, adjusting motor speed, monitoring RPM, and configuring passwords. Users can also receive alerts for RPM alarms and track the status of up to three air filters.

**Highlights:** Scan for EVO ECM-BCU controls, Connect to selected units, Change control name, Set motor speed, Read motor RPM, Configure user/admin passwords, Monitor air filter status

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BT Charger free?

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

### Is EVO Devices free?

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

### Do BT Charger or EVO Devices have ads?

Neither BT Charger nor EVO Devices shows ads.

### Which is updated more often, BT Charger or EVO Devices?

BT Charger ships an update fortnightly, and EVO Devices every 19 months. Most recently, BT Charger was updated on October 26, 2026 and EVO Devices on October 11, 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.*