# iOptima vs D

The clearest difference is rating: D at 5.0 against iOptima's 3.4. D also leads on update cadence (every 2 months vs every 5 months). iOptima's advantage is ratings volume (8 vs 1) and iOS requirement (12.4 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

D holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: iOptima has 8 ratings behind it against 1, so its average is the more settled of the two.

iOptima ships an update every 5 months, D every 2 months. The most recent releases landed on August 12, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | iOptima | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (8 ratings)](https://appshunter.io/ios/app/ioptima/id870426158/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/d-visual/id6612027870/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 219 MB | 78 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Bien-Air Dental SA](https://appshunter.io/developer/496222443) | [D-visual Medical Technology Co., Ltd](https://appshunter.io/developer/1761335012) |

## What reviewers say

### iOptima

[App page](https://appshunter.io/ios/app/ioptima/id870426158)

Enhance dental procedures with advanced technology. This application integrates with dental units to offer customizable settings for restorative, endodontic, oral surgery, and scaling tasks. It provides pre-programmed sequences and troubleshooting guides for efficient and safe practice.

**Highlights:** Seamlessly adds latest technology to dental units, Customizable settings for speed, torque, and direction, Pre-programmed sequences for endodontics and implantology, Supports restorative, endodontics, oral surgery, and scaling, Integrated troubleshooting guides, Ergonomic iPod touch and iPad mini interface

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-visual/id6612027870)

This platform revolutionizes AI-assisted surgery and remote diagnosis. It enhances surgical skills through demonstration and collaboration, ensuring precision with AI assistance and quality control. Access secure cloud storage for medical data anytime, anywhere.

**Highlights:** AI-assisted surgery, Remote diagnosis, Surgical demonstration, Real-time collaboration, Cloud storage, AI-powered quality control, Surgical summaries

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iOptima free?

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

### Is D free?

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

### Which has better reviews, iOptima or D?

D is rated higher. iOptima averages 3.4 out of 5 from 8 ratings, while D averages 5.0 from 1 ratings.

### Do iOptima or D have ads?

Neither iOptima nor D shows ads.

### Which is updated more often, iOptima or D?

iOptima ships an update every 5 months, and D every 2 months. Most recently, iOptima was updated on August 12, 2026 and D on September 17, 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.*