# Date Calculator vs Date Calculator ±

The clearest difference is in-app purchases: Date Calculator ± at none against Date Calculator's 4. Date Calculator ± also leads on update cadence (daily vs every 9 days) and device support (3 vs 1). Date Calculator's advantage is iOS requirement (17.3 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Date Calculator sells 4 in-app purchases, starting at $3.99 per 7 days. Date Calculator ± asks for nothing beyond the download.

Date Calculator ships an update every 9 days, Date Calculator ± daily. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Date Calculator | Date Calculator ± |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/date-calculator-datemath/id6773030545/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 2 MB |
| Requires iOS | **17.3** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [亦彬 潘](https://appshunter.io/developer/1522872222) | [Grifia](https://appshunter.io/developer/581000088) |

## What reviewers say

### Date Calculator

[App page](https://appshunter.io/ios/app/date-calculator-datemath/id6773030545)

Easily calculate the duration between two dates, with options for minute-level precision. Customize themes and languages for a personalized experience. Enjoy local calculations without needing an account.

**Highlights:** Calculate days between dates, Optional time selection for minute precision, Clean, native iOS design, Theme and language settings, Local calculation without account

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Lifetime Premium | $29.99 | one-time |


### Date Calculator ±

[App page](https://appshunter.io/ios/app/date-calculator/id6789755161)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Date Calculator free?

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

### Is Date Calculator ± free?

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

### Do Date Calculator or Date Calculator ± have ads?

Neither Date Calculator nor Date Calculator ± shows ads.

### Which is updated more often, Date Calculator or Date Calculator ±?

Date Calculator ships an update every 9 days, and Date Calculator ± daily. Most recently, Date Calculator was updated on September 21, 2026 and Date Calculator ± on September 10, 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.*