isPrime? vs ApCalendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
isPrime?
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It's a fast prime number checker.
ApCalendar
A versatile calendar tool offering multiple styles, including lunar calendar support and public holidays. Users can add notes to their calendar events.
- Multiple calendar styles
- Lunar calendar support
- Public holiday tracking
- Add calendar notes
- Event reminders
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日历工具，日历多风格，支持农历,公众假期，添加日历笔记 。
Screenshots
Verdict
The clearest difference is iOS requirement: ApCalendar at 11.0 against isPrime?'s 15.0. On price, ads, in-app purchases and device support 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.
| Parameter | isPrime? | ApCalendar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Daily | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Omer Faruk Mesebuken | Adtech Innovation Limited |
In-app purchases
isPrime?
No in-app purchases
ApCalendar
No in-app purchases
