# Whatzit vs Implant Identifier

The clearest difference is in-app purchases: Implant Identifier at none against Whatzit's 5. Implant Identifier also leads on ratings volume (269 vs 38). Whatzit's advantage is review sentiment (82% vs 63%) and chart position (#167 vs unranked). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Whatzit against 4.7 for Implant Identifier. That said, the two scores are not equally well evidenced: Implant Identifier has 269 ratings behind it against 38, so its average is the more settled of the two. Written reviews are what separate them: 82% of Whatzit's written reviews are positive against 63% of Implant Identifier's.

Whatzit ships an update every 6 weeks, Implant Identifier every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Whatzit | Implant Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (38 ratings)](https://appshunter.io/ios/app/whatzit/id1133396295/reviews)** | [4.7 (269 ratings)](https://appshunter.io/ios/app/implant-identifier/id1343366864/reviews) |
| Number of ratings | 38 | **269** |
| Positive reviews | **81.8% of reviews** | 63.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#167** | — |
| Size | 33 MB | 128 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Essential Ventures LLC](https://appshunter.io/developer/1133396294) | [Devise Health](https://appshunter.io/developer/1006656243) |

## What reviewers say

### Whatzit

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

**Currently charting:** #167 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 |


### Implant Identifier

[App page](https://appshunter.io/ios/app/implant-identifier/id1343366864)

Instantly identify orthopedic and spine implants from X-rays using AI. This app helps medical professionals recognize unknown implants, access a community of experts, and contribute to a growing library of implant data. Features include AI identification for hips, a community feed for assistance, and a filterable implant library.

**Highlights:** AI-Identify for Hips, Community Feed for Expert Help, Filterable Implant Library, Submit New Implants, My Implants History, X-ray Recognition

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Whatzit free?

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

### Is Implant Identifier free?

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

### Which has better reviews, Whatzit or Implant Identifier?

Whatzit is rated higher. Whatzit averages 4.7 out of 5 from 38 ratings, while Implant Identifier averages 4.7 from 269 ratings.

### Do Whatzit or Implant Identifier have ads?

Neither Whatzit nor Implant Identifier shows ads.

### Which is updated more often, Whatzit or Implant Identifier?

Whatzit ships an update every 6 weeks, and Implant Identifier every 3 weeks. Most recently, Whatzit was updated on October 26, 2026 and Implant Identifier on October 24, 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.*