# Whatzit vs CarboFix Spine

The clearest difference is in-app purchases: CarboFix Spine at none against Whatzit's 5. CarboFix Spine also leads on update cadence (every 9 days vs every 6 weeks) and rating (5.0 vs 4.7). Whatzit's advantage is ratings volume (38 vs 1) and chart position (#105 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Whatzit sells 3 in-app purchases, starting at $29.99 per month. CarboFix Spine asks for nothing beyond the download.

CarboFix Spine holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Whatzit has 38 ratings behind it against 1, so its average is the more settled of the two.

Whatzit ships an update every 6 weeks, CarboFix Spine every 9 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Whatzit | CarboFix Spine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (38 ratings)](https://appshunter.io/ios/app/whatzit/id1133396295/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/carbofix-spine/id6468366704/reviews)** |
| Number of ratings | **38** | 1 |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#105** | — |
| Size | 33 MB | 90 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Essential Ventures LLC](https://appshunter.io/developer/1133396294) | [shtibel](https://appshunter.io/developer/798863049) |

## What reviewers say

### Whatzit

[App page](https://appshunter.io/ios/app/whatzit/id1133396295)

**Currently charting:** #105 Top Grossing · Medical (US App Store)

This secure platform aids in spine implant identification by allowing users to post X-rays for crowdsourced feedback. It utilizes proprietary AI-powered redaction technology to automatically remove sensitive text from images directly on your device before sharing.

**Highlights:** Spine implant identification, Crowdsourced X-ray feedback, AI-powered auto-redaction, On-device data processing, Secure image sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Premium | $29.99 | per month |
| Upgrade to Premium | $179.99 | per year |
| Boost Your Post | $14.99 | one-time |


### CarboFix Spine

[App page](https://appshunter.io/ios/app/carbofix-spine/id6468366704)

Explore innovative carbon fiber spine implants and their benefits. Access product portfolios, documentation, procedure details, and training materials. Learn about available sizes and indications for patient treatment.

**Highlights:** Product portfolio exploration, Implant advantages, Documentation browsing, Available sizes and indications, Procedure steps, Training materials

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Whatzit free?

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

### Is CarboFix Spine free?

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

### Which has better reviews, Whatzit or CarboFix Spine?

CarboFix Spine is rated higher. Whatzit averages 4.7 out of 5 from 38 ratings, while CarboFix Spine averages 5.0 from 1 ratings.

### Do Whatzit or CarboFix Spine have ads?

Neither Whatzit nor CarboFix Spine shows ads.

### Which is updated more often, Whatzit or CarboFix Spine?

Whatzit ships an update every 6 weeks, and CarboFix Spine every 9 days. Most recently, Whatzit was updated on November 2, 2026 and CarboFix Spine on November 3, 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.*