# My PowerLink vs Lock Tess

The clearest difference is in-app purchases: My PowerLink at none against Lock Tess's 1. My PowerLink also leads on iOS requirement (13.1 vs 17.6). Lock Tess's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Lock Tess sells 1 one-off in-app purchase. My PowerLink asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for My PowerLink against 5.0 for Lock Tess. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

My PowerLink ships an update every 2 months, Lock Tess every 3 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | My PowerLink | Lock Tess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/my-powerlink/id6754309114/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/lock-tess/id6762159918/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 88 MB | 41 MB |
| Requires iOS | **13.1** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 9+ |
| Developer | [Altenergy Power System,Inc.](https://appshunter.io/developer/906598006) | [Damian McGreevy](https://appshunter.io/developer/1893167989) |

## What reviewers say

### My PowerLink

[App page](https://appshunter.io/ios/app/my-powerlink/id6754309114)

Monitor your energy system's real-time performance and historical output. The app provides environmental benefit tracking and intelligent diagnostic alerts for your smart devices.

**Highlights:** Real-time performance monitoring, Historical power output tracking, Environmental benefits display, Local device configuration (Bluetooth), Remote data monitoring, Intelligent diagnostic alerts

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

**In-app purchases:** none


### Lock Tess

[App page](https://appshunter.io/ios/app/lock-tess/id6762159918)

Enhance your car's lock sound with a variety of monstrous and satisfying audio options. Test with free sounds, then unlock a vast library and import your own custom audio files. Organize, share, and sync your sounds across all your devices with a single, one-time purchase.

**Highlights:** Over 30 built-in sound effects, Import custom audio files (MP3, WAV, M4A, AIFF, FLAC), Sound trimming and selection, Organize sounds with search, categories, and favorites, iCloud Sync across iPhone, iPad, and Mac, One-time purchase, no subscription

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lock Tess Premium | $2.99 | one-time |


## Frequently asked questions

### Is My PowerLink free?

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

### Is Lock Tess free?

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

### Which has better reviews, My PowerLink or Lock Tess?

My PowerLink and Lock Tess are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do My PowerLink or Lock Tess have ads?

Neither My PowerLink nor Lock Tess shows ads.

### Which is updated more often, My PowerLink or Lock Tess?

My PowerLink ships an update every 2 months, and Lock Tess every 3 weeks. Most recently, My PowerLink was updated on November 5, 2026 and Lock Tess on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*