# Paint Gallery vs UnitsConv

The clearest difference is in-app purchases: UnitsConv at none against Paint Gallery's 1. UnitsConv also leads on ads (none vs shown). Paint Gallery's advantage is rating (4.7 vs 4.3) and ratings volume (68 vs 3). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Paint Gallery sells 1 one-off in-app purchase. UnitsConv asks for nothing beyond the download.

Paint Gallery holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Paint Gallery has 68 ratings behind it against 3, so its average is the more settled of the two.

Paint Gallery ships an update every 2 months, UnitsConv every 4 months. The most recent releases landed on September 2, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Paint Gallery | UnitsConv |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (68 ratings)](https://appshunter.io/ios/app/paint-gallery/id445258482/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/unitsconv/id1291109803/reviews) |
| Number of ratings | **68** | 3 |
| Positive reviews | 94.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 8 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bilal Javed Bhutta](https://appshunter.io/developer/1825603834) | [john selverian](https://appshunter.io/developer/1291109802) |

## What reviewers say

### Paint Gallery

[App page](https://appshunter.io/ios/app/paint-gallery/id445258482)

Unleash your creativity with a free and fun painting application. This app offers a wide range of tools, including pencils, brushes, text, and shape drawing, along with the ability to import and export your artwork.

**Highlights:** Pencil tool, Various brushes, Color fill, Text tool, Draw shapes, Import/export drawings, Create photo galleries

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🎨 Powerful drawing tools
- 💡 Ability to import photos
- 🎨 Wide variety of colors and brushes
- 👍 Great for kids and beginners

**What reviewers complain about**

- 🐛 Occasional crashes or glitches
- 🔒 No option to retrieve accidentally deleted drawings
- 💡 Lack of advanced features like layers, blending, and rotation

**Reported bugs**

- Paintings sometimes do not display properly after painting
- Crashes when trying to use certain tools or features

**Requested features**

- Add a physical trash can to retrieve deleted drawings
- Implement a copy/paste and rotate/resize feature for added elements
- Include a layer system for more advanced editing


### UnitsConv

[App page](https://appshunter.io/ios/app/unitsconv/id1291109803)

This app provides conversion factors for 28 common properties used in multiphysics simulations and finite element analysis. It's a free tool designed for engineers and researchers working with complex physical models.

**Highlights:** 28 conversion properties, Multiphysics simulation support, Finite element analysis (FEA) focus, Free to use, Supports iPhone, iPad, and iPod

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Paint Gallery free?

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

### Is UnitsConv free?

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

### Which has better reviews, Paint Gallery or UnitsConv?

Paint Gallery is rated higher. Paint Gallery averages 4.7 out of 5 from 68 ratings, while UnitsConv averages 4.3 from 3 ratings.

### Do Paint Gallery or UnitsConv have ads?

Paint Gallery shows ads; UnitsConv does not.

### Which is updated more often, Paint Gallery or UnitsConv?

Paint Gallery ships an update every 2 months, and UnitsConv every 4 months. Most recently, Paint Gallery was updated on September 2, 2026 and UnitsConv on September 10, 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.*