# Is it Prime? vs BRC Classic

The clearest difference is rating: BRC Classic at 5.0 against Is it Prime?'s 3.2. BRC Classic also leads on update cadence (every 5 days vs every 74 months) and review sentiment (88% vs 71%). Is it Prime?'s advantage is ratings volume (5 vs 1) and iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BRC Classic holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Is it Prime? has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of Is it Prime?'s written reviews are positive against 88% of BRC Classic's.

Is it Prime? ships an update every 74 months, BRC Classic every 5 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Is it Prime? | BRC Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/is-it-prime/id326095651/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/brc-classic/id1348359736/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 71.4% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 74 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 1 MB | 11 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Wismar](https://appshunter.io/developer/307757950) | [Single Sail Software, LLC](https://appshunter.io/developer/359715495) |

## 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


### BRC Classic

[App page](https://appshunter.io/ios/app/brc-classic/id1348359736)

A straightforward digital clock app offering a large, easy-to-read display. Users can choose between 12 or 24-hour formats, and utilize timer and stopwatch functions with a selection of appealing colors.

**Highlights:** Large digital clock display, 12/24 hour format, Timer functionality, Stopwatch functionality, Color customization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Is it Prime? free?

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

### Is BRC Classic free?

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

### Which has better reviews, Is it Prime? or BRC Classic?

BRC Classic is rated higher. Is it Prime? averages 3.2 out of 5 from 5 ratings, while BRC Classic averages 5.0 from 1 ratings.

### Do Is it Prime? or BRC Classic have ads?

Neither Is it Prime? nor BRC Classic shows ads.

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

Is it Prime? ships an update every 74 months, and BRC Classic every 5 days. Most recently, Is it Prime? was updated on October 23, 2026 and BRC Classic 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.*