# FBOS Verifier vs NFC Writer Tool

The clearest difference is in-app purchases: FBOS Verifier at none against NFC Writer Tool's 1. FBOS Verifier also leads on iOS requirement (13.4 vs 15.0). NFC Writer Tool's advantage is update cadence (every 5 months vs every 23 months). On price, ads and device support there is nothing between them.

Both are free to download. NFC Writer Tool sells 1 one-off in-app purchase. FBOS Verifier asks for nothing beyond the download.

FBOS Verifier ships an update every 23 months, NFC Writer Tool every 5 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FBOS Verifier | NFC Writer Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fbos-verifier/id1508277002/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 2 MB | 43 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IAEA](https://appshunter.io/developer/535500126) | [Hasan KOC](https://appshunter.io/developer/1720736967) |

## What reviewers say

### FBOS Verifier

[App page](https://appshunter.io/ios/app/fbos-verifier/id1508277002)

This utility app enables IAEA Inspectors to capture reference images and verify cobra seals. It provides a streamlined process for on-site inspections and documentation.

**Highlights:** Capture reference images, Verify cobra seals, Streamlined inspection process, On-site documentation

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

**In-app purchases:** none


### NFC Writer Tool

[App page](https://appshunter.io/ios/app/nfc-writer-tool/id6736994017)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $0.99 | one-time |


## Frequently asked questions

### Is FBOS Verifier free?

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

### Is NFC Writer Tool free?

NFC Writer Tool is free to download, with in-app purchases available.

### Do FBOS Verifier or NFC Writer Tool have ads?

Neither FBOS Verifier nor NFC Writer Tool shows ads.

### Which is updated more often, FBOS Verifier or NFC Writer Tool?

FBOS Verifier ships an update every 23 months, and NFC Writer Tool every 5 months. Most recently, FBOS Verifier was updated on October 11, 2026 and NFC Writer Tool on October 6, 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.*