# HeatNext vs FBOS Verifier

The clearest difference is in-app purchases: FBOS Verifier at none against HeatNext's 4. HeatNext's advantage is update cadence (every 2 months vs every 23 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HeatNext sells 4 in-app purchases, starting at $1.99 per month. FBOS Verifier asks for nothing beyond the download.

HeatNext ships an update every 2 months, FBOS Verifier every 23 months. The most recent releases landed on September 15, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | HeatNext | FBOS Verifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fbos-verifier/id1508277002/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 23 months |
| Monetization | — | Free |
| Size | 32 MB | 2 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomnio](https://appshunter.io/developer/1440372439) | [International Atomic Energy Agency](https://appshunter.io/developer/535500126) |

## What reviewers say

### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $1.99 | per month |
| Advanced Package | $3.99 | per month |
| Plus Package | $18.99 | per year |
| Advanced Package | $37.99 | per year |


### 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

**In-app purchases:** none


## Frequently asked questions

### Is HeatNext free?

HeatNext is free to download, with in-app purchases available.

### Is FBOS Verifier free?

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

### Do HeatNext or FBOS Verifier have ads?

Neither HeatNext nor FBOS Verifier shows ads.

### Which is updated more often, HeatNext or FBOS Verifier?

HeatNext ships an update every 2 months, and FBOS Verifier every 23 months. Most recently, HeatNext was updated on September 15, 2026 and FBOS Verifier on September 25, 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.*