# CSKH UDICO vs Date Calculator

The clearest difference is in-app purchases: CSKH UDICO at none against Date Calculator's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Date Calculator sells 1 in-app purchase, starting at $2.99 per month. CSKH UDICO asks for nothing beyond the download.

CSKH UDICO ships an update every 3 weeks, Date Calculator fortnightly. The most recent releases landed on September 16, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | CSKH UDICO | Date Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 319 MB | 87 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CENTRAL POWER CORPORATION](https://appshunter.io/developer/1679266544) | [Thanh Nguyen](https://appshunter.io/developer/1801097584) |

## What reviewers say

### CSKH UDICO

[App page](https://appshunter.io/ios/app/cskh-udico/id6736721439)

**Features:** macOS Compatibility

**In-app purchases:** none


### Date Calculator

[App page](https://appshunter.io/ios/app/date-calculator-date-tools/id6745430539)

Easily calculate the number of days between dates, with options to exclude holidays. Manage your schedule by creating events, setting alarms, and receiving timely notifications. This user-friendly tool simplifies time management.

**Highlights:** Calculate days between dates, Exclude holidays from calculations, Create events, Set alarms, Receive notifications, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Date Tools Pro+ | $2.99 | per month |


## Frequently asked questions

### Is CSKH UDICO free?

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

### Is Date Calculator free?

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

### Do CSKH UDICO or Date Calculator have ads?

Neither CSKH UDICO nor Date Calculator shows ads.

### Which is updated more often, CSKH UDICO or Date Calculator?

CSKH UDICO ships an update every 3 weeks, and Date Calculator fortnightly. Most recently, CSKH UDICO was updated on September 16, 2026 and Date Calculator on July 6, 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.*