# Date Calendar Calculator vs CINOY

The clearest difference is in-app purchases: CINOY at none against Date Calendar Calculator's 1. CINOY also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Date Calendar Calculator sells 1 one-off in-app purchase. CINOY asks for nothing beyond the download.

Date Calendar Calculator ships an update every 3 weeks, CINOY monthly. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Date Calendar Calculator | CINOY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (31 ratings)](https://appshunter.io/ios/app/date-calendar-calculator/id1472858405/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 5 MB |
| Requires iOS | 15.5 | **15** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuno Solutions Sdn Bhd](https://appshunter.io/developer/1186235086) | [小梅 苏](https://appshunter.io/developer/1141829061) |

## What reviewers say

### Date Calendar Calculator

[App page](https://appshunter.io/ios/app/date-calendar-calculator/id1472858405)

This app helps you calculate date and time durations, add or subtract time from dates, and determine working days. It also converts between calendars and time zones, and estimates ovulation and pregnancy due dates. The design is simple and intuitive.

**Highlights:** Calculate date and time durations, Add/subtract time from dates, Calculate working days, Convert between calendars, Convert time zones, Estimate ovulation and pregnancy due dates, Calculate current age

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version  Ad-free | $2.99 | one-time |


### CINOY

[App page](https://appshunter.io/ios/app/cinoy/id6781122361)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Date Calendar Calculator free?

Date Calendar Calculator is free to download, with in-app purchases available.

### Is CINOY free?

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

### Do Date Calendar Calculator or CINOY have ads?

Date Calendar Calculator shows ads; CINOY does not.

### Which is updated more often, Date Calendar Calculator or CINOY?

Date Calendar Calculator ships an update every 3 weeks, and CINOY monthly. Most recently, Date Calendar Calculator was updated on November 3, 2026 and CINOY on November 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*