# SeaWarden vs Smart NFC Tools

The clearest difference is in-app purchases: SeaWarden at none against Smart NFC Tools's 1. SeaWarden also leads on iOS requirement (12.0 vs 15.6). Smart NFC Tools's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Smart NFC Tools sells 1 one-off in-app purchase. SeaWarden asks for nothing beyond the download.

SeaWarden ships an update every 4 months, Smart NFC Tools weekly. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | SeaWarden | Smart NFC Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (481 ratings)](https://appshunter.io/ios/app/smart-nfc-tools-read-and-write/id1527587931/reviews)** |
| Number of ratings | — | **481** |
| Positive reviews | — | 30.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 35 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Intelligent Devices Apps Limited](https://appshunter.io/developer/1292185657) | [Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.](https://appshunter.io/developer/867175889) |

## What reviewers say

### SeaWarden

[App page](https://appshunter.io/ios/app/seawarden/id1292185658)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart NFC Tools

[App page](https://appshunter.io/ios/app/smart-nfc-tools-read-and-write/id1527587931)

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.

**Highlights:** 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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NFC Tools Premium | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 💰 Reasonable price
- 🚀 Works great
- 👍 Very practical
- 👍 Excellent app

**What reviewers complain about**

- 👎 Does not work
- 👎 Waste of money
- 👎 Free version limited
- 👎 Scam and money taken
- 👎 Paid and no function

**Reported bugs**

- 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

**Requested features**

- Add social media to chips
- Ability to add multiple items to card after paying


## Frequently asked questions

### Is SeaWarden free?

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

### Is Smart NFC Tools free?

Smart NFC Tools is free to download, with in-app purchases available.

### Do SeaWarden or Smart NFC Tools have ads?

Neither SeaWarden nor Smart NFC Tools shows ads.

### Which is updated more often, SeaWarden or Smart NFC Tools?

SeaWarden ships an update every 4 months, and Smart NFC Tools weekly. Most recently, SeaWarden was updated on October 26, 2026 and Smart NFC Tools on October 29, 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.*