# eTracker vs Watt Advisor

The clearest difference is in-app purchases: Watt Advisor at none against eTracker's 3. Watt Advisor also leads on iOS requirement (13.4 vs 16.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. eTracker sells 2 one-off in-app purchases. Watt Advisor asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for eTracker against 5.0 for Watt Advisor. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

eTracker ships an update monthly, Watt Advisor every 6 weeks. The most recent releases landed on August 14, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | eTracker | Watt Advisor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/etracker-electricity-meter/id1639183407/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/watt-advisor/id6608980277/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 34 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [goo-mobile](https://appshunter.io/developer/551447757) | [BreakSmart LLC](https://appshunter.io/developer/1761164384) |

## What reviewers say

### eTracker

[App page](https://appshunter.io/ios/app/etracker-electricity-meter/id1639183407)

Track your energy meter readings and fuel logs with this comprehensive utility app. Gain insights into consumption, monitor expenditures, and generate customizable PDF reports for detailed analysis and sharing.

**Highlights:** Effortless meter tracking, Fuel log monitoring, Expense insights, Customizable reports, Generate PDF reports, Native share sheet integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support | $1.99 | one-time |
| Pro Version | $4.99 | one-time |


### Watt Advisor

[App page](https://appshunter.io/ios/app/watt-advisor/id6608980277)

This app analyzes your energy usage to provide personalized advice on solar installation, energy plans, and home efficiency. It also monitors grid conditions and sends alerts for potential reliability issues. Optimize your energy consumption and save money with smart recommendations.

**Highlights:** Energy usage analysis, Solar calculator, Grid reliability alerts, Energy contract analysis, Home energy efficiency assessment, Smart device optimization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eTracker free?

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

### Is Watt Advisor free?

Watt Advisor is free to download, with no in-app purchases.

### Which has better reviews, eTracker or Watt Advisor?

eTracker and Watt Advisor are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do eTracker or Watt Advisor have ads?

Neither eTracker nor Watt Advisor shows ads.

### Which is updated more often, eTracker or Watt Advisor?

eTracker ships an update monthly, and Watt Advisor every 6 weeks. Most recently, eTracker was updated on August 14, 2026 and Watt Advisor on June 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.*