# Watt vs Lifelog Smart Tracker

The clearest difference is in-app purchases: Watt at none against Lifelog Smart Tracker's 2. Watt also leads on iOS requirement (17.2 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lifelog Smart Tracker sells 2 in-app purchases, starting at $4.99 per month. Watt asks for nothing beyond the download.

Watt ships an update every 3 weeks, Lifelog Smart Tracker every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Watt | Lifelog Smart Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/watt/id6753959943/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 80 MB | 3 MB |
| Requires iOS | **17.2** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Watt Labs Inc.](https://appshunter.io/developer/1755609265) | [Salihcan EVYAPAN](https://appshunter.io/developer/1894717342) |

## What reviewers say

### Watt

[App page](https://appshunter.io/ios/app/watt/id6753959943)

Visualize your daily activities and understand how they impact your energy and well-being. Connect your devices for automatic data and gain insights to make smarter life decisions. See the full picture of your lifestyle to live with intention.

**Highlights:** Complete lifestyle visualization, Vitality and energy tracking, Connection between lifestyle and energy, Daily check-ins for awareness, Automatic data flow from devices, Pattern visualization over time

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

**In-app purchases:** none


### Lifelog Smart Tracker

[App page](https://appshunter.io/ios/app/lifelog-smart-tracker/id6762571772)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LifeLog Pro Monthly | $4.99 | per month |
| LifeLog Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Watt free?

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

### Is Lifelog Smart Tracker free?

Lifelog Smart Tracker is free to download, with in-app purchases available.

### Do Watt or Lifelog Smart Tracker have ads?

Neither Watt nor Lifelog Smart Tracker shows ads.

### Which is updated more often, Watt or Lifelog Smart Tracker?

Watt ships an update every 3 weeks, and Lifelog Smart Tracker every 2 weeks. Most recently, Watt was updated on November 5, 2026 and Lifelog Smart Tracker on October 31, 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.*