# Annotium vs Binary3DY AI

The clearest difference is price: Annotium at Free against Binary3DY AI's $0.99. Annotium also leads on update cadence (daily vs every 5 weeks) and iOS requirement (15.6 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Annotium is free to download; Binary3DY AI costs $0.99 up front. Annotium sells 10 one-off in-app purchases and Binary3DY AI sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Annotium ships an update daily, Binary3DY AI every 5 weeks. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Annotium | Binary3DY AI |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/annotium-tech-photo-markup/id1537304734/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 311 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hoang Le](https://appshunter.io/developer/1004143309) | [Lubomir Havran BINARTS](https://appshunter.io/developer/557200855) |

## What reviewers say

### Annotium

[App page](https://appshunter.io/ios/app/annotium-tech-photo-markup/id1537304734)

Easily add notes, shapes, and highlights to your photos for technical fields. Illustrate, track, and share your work visually with a variety of annotation tools. Ideal for students, professionals, and anyone needing to explain visual information.

**Highlights:** Numerous built-in annotation tools, Customizable shapes, text, and colors, Highlighting and magnifying features, Polygon with unlimited vertices, Blur/Pixelate for sensitive info, Measuring tools for lines and angles, High-resolution image support

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spotlight | $0.99 | one-time |
| Angle Measure | $0.99 | one-time |
| Line Measure | $0.99 | one-time |
| Loupe | $0.99 | one-time |
| Save Options | $0.99 | one-time |
| Polygon | $0.99 | one-time |
| Pixelate | $0.99 | one-time |
| Connector | $0.99 | one-time |
| Callout | $1.99 | one-time |
| PREMIUM | $9.99 | one-time |


### Binary3DY AI

[App page](https://appshunter.io/ios/app/binary3dy-ai/id6754374444)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Pro AI Service | $9.99 | per month |
| 1-Year Pro AI Service | $99.99 | per year |


## Frequently asked questions

### Is Annotium free?

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

### Is Binary3DY AI free?

Binary3DY AI costs $0.99, and also offers in-app purchases.

### Do Annotium or Binary3DY AI have ads?

Neither Annotium nor Binary3DY AI shows ads.

### Which is updated more often, Annotium or Binary3DY AI?

Annotium ships an update daily, and Binary3DY AI every 5 weeks. Most recently, Annotium was updated on October 20, 2026 and Binary3DY AI on October 13, 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.*