# Smart vs eTracker

The clearest difference is in-app purchases: Smart at none against eTracker's 3. Smart also leads on iOS requirement (8.0 vs 16.0). eTracker's advantage is update cadence (monthly vs every 8 months). On price, ads and device support there is nothing between them.

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

Smart ships an update every 8 months, eTracker monthly. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Smart | eTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/etracker-electricity-meter/id1639183407/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 27.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 6 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Conrad Electronic SE](https://appshunter.io/developer/451963782) | [goo-mobile](https://appshunter.io/developer/551447757) |

## What reviewers say

### Smart

[App page](https://appshunter.io/ios/app/smart-energy-meter/id790074102)

Monitor and control energy consumption with this Bluetooth-connected meter socket. Track voltage, current, wattage, and power factor in real-time. Forecast energy costs and set custom timers or overload protection.

**Highlights:** Real-time energy data (Voltage, Current, Wattage, Power Factor), Energy consumption history and graph, Energy cost forecasting and estimation, Support for multiple energy meters, Programmable socket features (Timer, Scheduler, Overload protection)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Smart free?

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

### Is eTracker free?

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

### Do Smart or eTracker have ads?

Neither Smart nor eTracker shows ads.

### Which is updated more often, Smart or eTracker?

Smart ships an update every 8 months, and eTracker monthly. Most recently, Smart was updated on October 18, 2026 and eTracker on October 8, 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.*