Smart NFC Tools vs Housewatt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart NFC Tools
Easily read, inspect, and modify NFC tags with this intuitive tool. Write to tags in various formats to trigger actions like opening websites or making calls. Prioritizes user privacy by operating entirely offline.
- Read NFC tag content
- Inspect and modify NFC tags
- Erase, lock, and copy tags
- Write NFC tags in various formats
- Trigger phone calls or open websites
- 100% offline operation
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Smart NFC Tools is the most accessible and easy to use NFC Reader and Writer for mobile devices! With a simple user interface and powerful tools you can interact with NDEF-Formatted NFC cards without any external hardware! - Read, Inspect and modify: Read a tag by touching the back of your device against it and Smart NFC Tools will show you a full report on the tag's content and give you options such as erase, lock and copy. It's super easy! - Write in many formats: Smart NFC Tools enables you to write NFC tags in popular formats that allow for custom interactions such as opening a website or triggering a phone call just by touching the tag with a compatible device! - Note about privacy: Smart NFC Tools works 100% offline, without any personal or content data being sent to an external server or third party server. Your privacy is our priority! Embrace the world of NFC technologies using your phone or tablet! Smart NFC Tools is now available for all iOS devices!
Housewatt
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HouseWatt is much more than just an app, it’s an intelligent energy companion designed to simplify the management of your household electricity consumption. Whether you're looking to reduce your electricity bills, adopt more sustainable consumption habits, or better understand your energy footprint, HouseWatt is here to help you achieve your goals. With HouseWatt, you can track your energy consumption in real-time with accurate and up-to-date data. With intuitive graphs and customizable dashboards, you can easily visualize your electricity usage by device, hour, day, or even month. This allows you to better understand your consumption habits and identify opportunities for energy savings. But that's not all! HouseWatt also offers the ability to generate energy pay slips, allowing you to compare your current energy usage with previous periods and track your progress over time. You can even set monthly energy consumption goals and receive notifications when you approach your maximum limit, helping you stay on track to reach your targets. Additionally, HouseWatt offers a range of advanced features to meet your specific energy management needs. You can set up personalized alerts to be notified of overconsumption, analyze consumption trends over a given period, and even integrate connected devices for even more precise tracking. With its user-friendly interface and advanced features, HouseWatt is the ultimate tool to help you take control of your household energy consumption and adopt more sustainable habits.
Screenshots
Verdict
The clearest difference is in-app purchases: Housewatt at none against Smart NFC Tools's 1. Housewatt also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Smart NFC Tools sells 1 one-off in-app purchase. Housewatt asks for nothing beyond the download.
Smart NFC Tools ships an update weekly, Housewatt every 5 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | Smart NFC Tools | Housewatt |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (480 ratings) — better | — |
| Positive reviews | 30.3% of reviews | — |
| Number of ratings | 480 — better | — |
| Update frequency | Weekly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 106 MB |
| Age rating | 4+ | 17+ |
| Developer | Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA. | VERVE TECHNOLOGIES (MA) |
Bugs and requests
Smart NFC Tools
Reported bugs
6 issues- Doesn't work to save contact card
- App glitches
- Doesn't work to read card and fob
- Paid for unlock, but restore doesn't work after iOS update
- Paid for ability to lock tags, but feature does not work
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- App not working after 15 minutes, even after purchase
Requested features
2 requests- Add social media to chips
- Ability to add multiple items to card after paying
Housewatt
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Smart NFC Tools
- NFC Tools Premium$1.99
Housewatt
No in-app purchases









