# Between Dates Calendar Math vs Up&Down Timer

The clearest difference is price: Between Dates Calendar Math at $0.99 against Up&Down Timer's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Between Dates Calendar Math costs $0.99 and Up&Down Timer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Between Dates Calendar Math | Up&Down Timer |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | **[4.8 (42 ratings)](https://appshunter.io/ios/app/between-dates-calendar-math/id442169104/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Paid | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ducky Planet LLC](https://appshunter.io/developer/442169107) | [Netflowers Inc.](https://appshunter.io/developer/1672067319) |

## What reviewers say

### Between Dates Calendar Math

[App page](https://appshunter.io/ios/app/between-dates-calendar-math/id442169104)

Calculate the number of days between two dates with a simple interface. Save, recall, sort, and remove date calculations. Add or subtract days from selected dates for quick date projections.

**Highlights:** Calculate days between dates, Save and recall date calculations, Sort and remove saved dates, Add or subtract days, Copy dates to start/end, Reset dates to current

**Features:** Vision Pro support

**In-app purchases:** none


### Up&Down Timer

[App page](https://appshunter.io/ios/app/up-and-down-timer-countdown/id6755684623)

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

**In-app purchases:** none


## Frequently asked questions

### Is Between Dates Calendar Math free?

Between Dates Calendar Math costs $0.99, with no in-app purchases.

### Is Up&Down Timer free?

Up&Down Timer costs $1.99, with no in-app purchases.

### Do Between Dates Calendar Math or Up&Down Timer have ads?

Neither Between Dates Calendar Math nor Up&Down Timer shows ads.

### Which is updated more often, Between Dates Calendar Math or Up&Down Timer?

Between Dates Calendar Math ships an update every 4 months, and Up&Down Timer every 4 months. Most recently, Between Dates Calendar Math was updated on October 6, 2026 and Up&Down Timer on October 9, 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.*