# DDS GP vs ISY MAX

The clearest difference is in-app purchases: ISY MAX at none against DDS GP's 5. ISY MAX also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. DDS GP sells 5 in-app purchases, starting at $89.00 per month. ISY MAX asks for nothing beyond the download.

DDS GP ships an update fortnightly, ISY MAX every 3 weeks. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | DDS GP | ISY MAX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/dds-gp/id386704683/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 78.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 252 MB | 49 MB |
| Requires iOS | 17.5 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Kick Your Apps, Inc.](https://appshunter.io/developer/386704686) | [Emily Sudduth](https://appshunter.io/developer/1721274803) |

## What reviewers say

### DDS GP

[App page](https://appshunter.io/ios/app/dds-gp/id386704683)

This application helps dental professionals visually explain oral health conditions and treatment options to their patients. It allows users to draw on the screen, add their own images, and create custom treatment plans for printing or sending.

**Highlights:** Visual patient consultations, Tap and drag to show conditions, On-screen drawing and saving, Add and draw on custom images, Custom treatment plan creation, Over 200 demonstrations

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $89.00 | per month |
| Yearly | $499.00 | per year |
| Yearly Special | $499.99 | per year |
| DDS YES Homoly Content | $99.99 | one-time |
| Lifetime Membership | $1699.99 | one-time |


### ISY MAX

[App page](https://appshunter.io/ios/app/isy-max/id6511208480)

**In-app purchases:** none


## Frequently asked questions

### Is DDS GP free?

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

### Is ISY MAX free?

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

### Do DDS GP or ISY MAX have ads?

DDS GP shows ads; ISY MAX does not.

### Which is updated more often, DDS GP or ISY MAX?

DDS GP ships an update fortnightly, and ISY MAX every 3 weeks. Most recently, DDS GP was updated on September 21, 2026 and ISY MAX on September 16, 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.*