# Days calc vs Date Calculation Assistant

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

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

Days calc ships an update every 2 months, Date Calculation Assistant every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Days calc | Date Calculation Assistant |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/days-calc-dates-calculator/id1135287767/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 1 MB | 35 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evgeny Turchaninov](https://appshunter.io/developer/517592625) | [玉辉 黄](https://appshunter.io/developer/1852393919) |

## What reviewers say

### Days calc

[App page](https://appshunter.io/ios/app/days-calc-dates-calculator/id1135287767)

Calculate the difference between two dates or add days to a specific date. This tool helps you determine future dates, remaining days until an event, or days passed since a past date. It conveniently saves your last calculation for quick access.

**Highlights:** Add days to a date, Calculate difference between dates, Count days, weeks, or years-months-days, Find remaining days until a date, Track days passed since a date, Saves last calculated date

**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 Days calc free?

Days calc 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 calc or Date Calculation Assistant have ads?

Neither Days calc nor Date Calculation Assistant shows ads.

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

Days calc ships an update every 2 months, and Date Calculation Assistant every 5 days. Most recently, Days calc was updated on October 24, 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.*