# Model Colors vs ParkOnUs

The clearest difference is in-app purchases: ParkOnUs at none against Model Colors's 4. ParkOnUs also leads on rating (5.0 vs 4.6) and iOS requirement (12.0 vs 26.0). Model Colors's advantage is update cadence (monthly vs every 39 months) and ratings volume (447 vs 1). On price and ads there is nothing between them.

Both are free to download. Model Colors sells 4 in-app purchases, starting at $0.99 per month. ParkOnUs asks for nothing beyond the download.

ParkOnUs holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Model Colors has 447 ratings behind it against 1, so its average is the more settled of the two.

Model Colors ships an update monthly, ParkOnUs every 39 months. The most recent releases landed on October 17, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Model Colors | ParkOnUs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (447 ratings)](https://appshunter.io/ios/app/model-colors/id1200319954/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/parkonus/id1444254661/reviews)** |
| Number of ratings | **447** | 1 |
| Positive reviews | 60.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 39 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 84 MB | 21 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | **iPhone, iPad, Mac** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [D-Pointer Oy](https://appshunter.io/developer/433372709) | [PARKEON INC](https://appshunter.io/developer/1440625328) |

## What reviewers say

### Model Colors

[App page](https://appshunter.io/ios/app/model-colors/id1200319954)

This app helps hobbyists manage their paint collections for models. Track colors you own, colors you need, and easily share lists. Find similar colors and organize them into custom lists for different projects.

**Highlights:** Track owned and needed paint colors, Browse over 40,000 colors from various brands, Share color lists via email and messaging, Set favorite colors for quick access, Find similar colors using standards or calculations, Create custom color lists for projects

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month subscription | $0.99 | per month |
| 3 month subscription | $1.99 | per 3 months |
| 6 month subscription | $3.49 | per 6 months |
| 1 year subscription | $5.99 | per year |


### ParkOnUs

[App page](https://appshunter.io/ios/app/parkonus/id1444254661)

This app transforms your iPad into a parking validation unit, enabling real-time processing of patron parking sessions from any location. It's designed for cities, universities, and operators to integrate with mobility strategies and support local businesses. The system supports both Pay By Plate and Pay By Space methods.

**Highlights:** Turns iPad into a parking validation unit, Process real-time parking validations remotely, Supports Pay By Plate, Supports Pay By Space, Easy setup in seconds

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Model Colors free?

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

### Is ParkOnUs free?

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

### Which has better reviews, Model Colors or ParkOnUs?

ParkOnUs is rated higher. Model Colors averages 4.6 out of 5 from 447 ratings, while ParkOnUs averages 5.0 from 1 ratings.

### Do Model Colors or ParkOnUs have ads?

Neither Model Colors nor ParkOnUs shows ads.

### Which is updated more often, Model Colors or ParkOnUs?

Model Colors ships an update monthly, and ParkOnUs every 39 months. Most recently, Model Colors was updated on October 17, 2026 and ParkOnUs on July 5, 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.*