# WattAnalytics vs Watt for Smart Devices

The clearest difference is in-app purchases: WattAnalytics at none against Watt for Smart Devices's 7. Watt for Smart Devices's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price and iOS requirement there is nothing between them.

Both are free to download. Watt for Smart Devices sells 7 in-app purchases, starting at $0.49 per month. WattAnalytics asks for nothing beyond the download.

WattAnalytics ships an update every 2 months, Watt for Smart Devices fortnightly. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | WattAnalytics | Watt for Smart Devices |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (73 ratings)](https://appshunter.io/ios/app/watt-for-smart-devices/id1465004830/reviews)** |
| Number of ratings | — | **73** |
| Positive reviews | — | 51.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 63 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Watt Analytics GmbH](https://appshunter.io/developer/1462526990) | [Tiago Mendes](https://appshunter.io/developer/1235886918) |

## What reviewers say

### WattAnalytics

[App page](https://appshunter.io/ios/app/wattanalytics/id1462526991)

**In-app purchases:** none


### Watt for Smart Devices

[App page](https://appshunter.io/ios/app/watt-for-smart-devices/id1465004830)

Unify control of your TP-Link Kasa and Tapo smart devices in one intuitive app. Monitor energy usage with detailed charts, manage devices with Siri voice commands, and utilize features like Night Mode and custom spaces for effortless smart home management.

**Highlights:** Unified Kasa & Tapo device control, Energy consumption monitoring with charts, Siri voice control for devices, Night Mode for device LEDs, Organize devices by spaces/rooms, Home screen widgets for quick access

**Features:** Family Sharing, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Marshmallow | $0.49 | per month |
| Buy Me a Chocolate Bar | $0.99 | per month |
| Buy Me a Coffee | $1.99 | per month |
| Buy Me a Bag of Marshmallows | $4.99 | per year |
| Buy Me a Pack of Chocolate Bar | $8.99 | per year |
| Yearly 4x more support to App! | $18.49 | per year |
| Buy Me a Bag of Coffee | $18.49 | per year |

**What reviewers like**

- 📊 Better energy monitoring than official Kasa app
- 🎤 Siri integration for voice control
- 👍 Intuitive user interface and easy setup
- 💡 Advanced graphical data visualization
- 🔄 Multi-device control in single app

**What reviewers complain about**

- 💰 Requires subscription for full functionality
- 🐛 Frequent device recognition failures
- 📷 No camera support (Tapo/Kasa cameras)
- 🔐 Requires sharing TP-Link login credentials
- 📉 Unreliable data display and chart rendering

**Reported bugs**

- Voice commands return 'Something went wrong' error
- Devices disappear after app updates
- Session expiration errors requiring re-login
- Chart data only displays in year view
- Graphs curve back on themselves and show nonsense

**Requested features**

- Camera support for Tapo and Kasa cameras
- One-time purchase option instead of subscription
- Hourly power consumption data granularity
- Peak and off-peak electricity rate configuration
- Device renaming with custom names


## Frequently asked questions

### Is WattAnalytics free?

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

### Is Watt for Smart Devices free?

Watt for Smart Devices is free to download, with in-app purchases available.

### Do WattAnalytics or Watt for Smart Devices have ads?

WattAnalytics shows ads; Watt for Smart Devices does not.

### Which is updated more often, WattAnalytics or Watt for Smart Devices?

WattAnalytics ships an update every 2 months, and Watt for Smart Devices fortnightly. Most recently, WattAnalytics was updated on October 14, 2026 and Watt for Smart Devices on October 21, 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.*