# Is it Prime? vs Color

The clearest difference is rating: Color at 4.0 against Is it Prime?'s 3.2. Color also leads on update cadence (every 2 weeks vs every 74 months). Is it Prime?'s advantage is in-app purchases (none vs 3) and iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Color sells 3 one-off in-app purchases. Is it Prime? asks for nothing beyond the download.

Color holds the better App Store score, 4.0 against 3.2. Both are backed by a comparable volume of ratings — 5 and 4 respectively.

Is it Prime? ships an update every 74 months, Color every 2 weeks. The most recent releases landed on October 23, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Is it Prime? | Color |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/is-it-prime/id326095651/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/color-selector/id1506270066/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 74 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Wismar](https://appshunter.io/developer/307757950) | [Kamaal Farah](https://appshunter.io/developer/1502158009) |

## What reviewers say

### Is it Prime?

[App page](https://appshunter.io/ios/app/is-it-prime/id326095651)

Enter any number to instantly determine if it is a prime number or not. This straightforward utility provides a quick answer to your mathematical curiosity.

**Highlights:** Prime number identification, Simple number input, Instant yes/no results

**Features:** macOS Compatibility

**In-app purchases:** none


### Color

[App page](https://appshunter.io/ios/app/color-selector/id1506270066)

Easily pick, save, and edit colors for all your creative projects. Store your favorite hues and access them quickly. Includes a widget for random color generation.

**Highlights:** Save colors, Edit colors, Copy saved colors, Random color widget, Store colors for creative work

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Soda | $0.99 | one-time |
| Coffee | $4.99 | one-time |
| Meal | $8.99 | one-time |


## Frequently asked questions

### Is Is it Prime? free?

Is it Prime? is free to download, with no in-app purchases.

### Is Color free?

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

### Which has better reviews, Is it Prime? or Color?

Color is rated higher. Is it Prime? averages 3.2 out of 5 from 5 ratings, while Color averages 4.0 from 4 ratings.

### Do Is it Prime? or Color have ads?

Neither Is it Prime? nor Color shows ads.

### Which is updated more often, Is it Prime? or Color?

Is it Prime? ships an update every 74 months, and Color every 2 weeks. Most recently, Is it Prime? was updated on October 23, 2026 and Color on October 4, 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.*