# Date + Days Calculator vs Date Calculation Assistant

The clearest difference is in-app purchases: Date + Days Calculator at none against Date Calculation Assistant's 2. Date + Days Calculator also leads on iOS requirement (9.0 vs 15.0). Date Calculation Assistant's advantage is update cadence (every 5 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Date Calculation Assistant sells 2 in-app purchases, starting at $0.99 per month. Date + Days Calculator asks for nothing beyond the download.

Date + Days Calculator ships an update every 6 weeks, Date Calculation Assistant every 5 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Date + Days Calculator | Date Calculation Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/date-plus-days-calculator/id1397700856/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 6 MB | 35 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Patel](https://appshunter.io/developer/787086013) | [玉辉 黄](https://appshunter.io/developer/1852393919) |

## What reviewers say

### Date + Days Calculator

[App page](https://appshunter.io/ios/app/date-plus-days-calculator/id1397700856)

Easily calculate future or past dates by adding or subtracting a specified number of days from any given date. This tool offers a straightforward way to plan ahead or track past events with a user-friendly interface.

**Highlights:** Add days to a date, Subtract days from a date, Calculate future dates, Calculate past dates, Supports over 100 years of date selection

**Features:** macOS Compatibility

**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 Date + Days Calculator free?

Date + Days Calculator is free to download, with no in-app purchases.

### Is Date Calculation Assistant free?

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

### Do Date + Days Calculator or Date Calculation Assistant have ads?

Neither Date + Days Calculator nor Date Calculation Assistant shows ads.

### Which is updated more often, Date + Days Calculator or Date Calculation Assistant?

Date + Days Calculator ships an update every 6 weeks, and Date Calculation Assistant every 5 days. Most recently, Date + Days Calculator was updated on November 2, 2026 and Date Calculation Assistant on November 5, 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.*