# Draw on Picture vs i3DGS3D

The clearest difference is rating: Draw on Picture at 5.0 against i3DGS3D's 4.0. i3DGS3D's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Draw on Picture holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Draw on Picture ships an update every 7 months, i3DGS3D every 9 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Draw on Picture | i3DGS3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/draw-on-picture/id1624366747/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/i3dgs3d/id6505082649/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | Ad-supported | **Free** |
| Size | 5 MB | 21 MB |
| Requires iOS | 18.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kazutaka komiya](https://appshunter.io/developer/1558955785) | [Spmaker](https://appshunter.io/developer/467945373) |

## What reviewers say

### Draw on Picture

[App page](https://appshunter.io/ios/app/draw-on-picture/id1624366747)

Easily add handwritten notes and drawings to your photos. Supports common image formats like JPG, PNG, and PDF. A straightforward tool for annotating images.

**Highlights:** Handwritten drawing on images, Supports JPG, PNG, and PDF, Simple and intuitive interface, Image annotation tool

**Features:** macOS Compatibility

**In-app purchases:** none


### i3DGS3D

[App page](https://appshunter.io/ios/app/i3dgs3d/id6505082649)

This app transforms 3D Gaussian splatting scans into various 3D image formats like SBS and anaglyph. It allows users to view and interact with photorealistic 3D scenes from different angles. It also supports smart glasses integration for an immersive viewing experience.

**Highlights:** Converts 3D Gaussian splatting to SBS, anaglyph, and other 3D formats, Displays photorealistic 3D scenes, Interactive touch controls for viewing from various perspectives, Supports .ply and .splat file formats, Smart glasses integration for immersive 3D display, Viewpoint control via connected iPhone/iPad

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Draw on Picture free?

Draw on Picture is free to download, with no in-app purchases.

### Is i3DGS3D free?

i3DGS3D is free to download, with no in-app purchases.

### Which has better reviews, Draw on Picture or i3DGS3D?

Draw on Picture is rated higher. Draw on Picture averages 5.0 out of 5 from 2 ratings, while i3DGS3D averages 4.0 from 1 ratings.

### Do Draw on Picture or i3DGS3D have ads?

Draw on Picture shows ads; i3DGS3D does not.

### Which is updated more often, Draw on Picture or i3DGS3D?

Draw on Picture ships an update every 7 months, and i3DGS3D every 9 months. Most recently, Draw on Picture was updated on October 24, 2026 and i3DGS3D 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.*