# Days until my due date? vs Date Calculation Assistant

The clearest difference is price: Date Calculation Assistant at Free against Days until my due date?'s $0.99. Date Calculation Assistant also leads on ads (none vs shown) and update cadence (every 5 days vs every 38 months). Days until my due date?'s advantage is in-app purchases (none vs 2). On device support and iOS requirement there is nothing between them.

Date Calculation Assistant is free to download; Days until my due date? costs $0.99 up front. Date Calculation Assistant sells 2 in-app purchases, starting at $0.99 per month. Days until my due date? asks for nothing beyond the download.

Days until my due date? ships an update every 38 months, Date Calculation Assistant every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Days until my due date? | Date Calculation Assistant |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 38 months | **Every 5 days** |
| Size | 8 MB | 35 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [玉辉 黄](https://appshunter.io/developer/1852393919) |

## What reviewers say

### Days until my due date?

[App page](https://appshunter.io/ios/app/days-until-my-due-date/id725271047)

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

**In-app purchases:** none


### Date Calculation Assistant

[App page](https://appshunter.io/ios/app/date-calculation-assistant/id6758889725)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $5.99 | per year |


## Frequently asked questions

### Is Days until my due date? free?

Days until my due date? costs $0.99, with no in-app purchases.

### Is Date Calculation Assistant free?

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

### Do Days until my due date? or Date Calculation Assistant have ads?

Days until my due date? shows ads; Date Calculation Assistant does not.

### Which is updated more often, Days until my due date? or Date Calculation Assistant?

Days until my due date? ships an update every 38 months, and Date Calculation Assistant every 5 days. Most recently, Days until my due date? was updated on October 25, 2026 and Date Calculation Assistant 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.*