# IP Energizer Controller vs E Collar

The clearest difference is update cadence: E Collar at monthly against IP Energizer Controller's every 4 months. IP Energizer Controller's advantage is iOS requirement (12.0 vs 15.6). 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.

IP Energizer Controller ships an update every 4 months, E Collar monthly. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IP Energizer Controller | E Collar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 16 MB | 31 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pakton Group Pty Ltd](https://appshunter.io/developer/1220725407) | [Shenzhen Patpet Technology CO.,LTD](https://appshunter.io/developer/1622792510) |

## What reviewers say

### IP Energizer Controller

[App page](https://appshunter.io/ios/app/ip-energizer-controller/id1220725408)

**Features:** macOS Compatibility

**In-app purchases:** none


### E Collar

[App page](https://appshunter.io/ios/app/e-collar/id6764741632)

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

**In-app purchases:** none


## Frequently asked questions

### Is IP Energizer Controller free?

IP Energizer Controller is free to download, with no in-app purchases.

### Is E Collar free?

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

### Do IP Energizer Controller or E Collar have ads?

Neither IP Energizer Controller nor E Collar shows ads.

### Which is updated more often, IP Energizer Controller or E Collar?

IP Energizer Controller ships an update every 4 months, and E Collar monthly. Most recently, IP Energizer Controller was updated on October 18, 2026 and E Collar on October 6, 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.*