Is it Prime? vs BRC Classic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Is it Prime?
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.
- Prime number identification
- Simple number input
- Instant yes/no results
Read full descriptionHide full description
This application serves only one function - to satisfy your curiosity when you wonder whether a given number is prime or not. You put in the number, it says yes or no. Really, that's all it does.
BRC Classic
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.
- Large digital clock display
- 12/24 hour format
- Timer functionality
- Stopwatch functionality
- Color customization
Read full descriptionHide full description
Designed for simplicity — ideal for users who prefer fewer options BIG NUMBER digital clock featuring: 12 hour or 24 hour Clock / Timer / Stopwatch Delightful set of colors to choose from
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Is it Prime? | BRC Classic |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (5 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 71.4% of reviews | 87.5% of reviews — better |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 74 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple TV — better |
| Requires iOS | 15.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 1 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Wismar | Single Sail Software, LLC |
Customer experience
Is it Prime?
BRC Classic
In-app purchases
Is it Prime?
No in-app purchases
BRC Classic
No in-app purchases
