# Between Dates Calendar Math vs Controller 4 Bose SoundTouch

The clearest difference is rating: Between Dates Calendar Math at 4.8 against Controller 4 Bose SoundTouch's 3.9. Between Dates Calendar Math also leads on price ($0.99 vs $5.99). Controller 4 Bose SoundTouch's advantage is iOS requirement (10.3 vs 13.0). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Between Dates Calendar Math costs $0.99 and Controller 4 Bose SoundTouch $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Between Dates Calendar Math holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 40 and 74 respectively. Written reviews point the same way: 50% of Between Dates Calendar Math's written reviews are positive against 45% of Controller 4 Bose SoundTouch's.

Between Dates Calendar Math ships an update every 4 months, Controller 4 Bose SoundTouch every 2 months. The most recent releases landed on August 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Between Dates Calendar Math | Controller 4 Bose SoundTouch |
| --- | --- | --- |
| Price | **$0.99** | $5.99 |
| Rating | **[4.8 (40 ratings)](https://appshunter.io/ios/app/between-dates-calendar-math/id442169104/reviews)** | [3.9 (74 ratings)](https://appshunter.io/ios/app/controller-4-bose-soundtouch/id824226524/reviews) |
| Number of ratings | 40 | **74** |
| Positive reviews | **50.0% of reviews** | 44.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 36 MB |
| Requires iOS | 13.0 | **10.3** |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ducky Planet LLC](https://appshunter.io/developer/442169107) | [Christoph Koras](https://appshunter.io/developer/640816452) |

## 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


### Controller 4 Bose SoundTouch

[App page](https://appshunter.io/ios/app/controller-4-bose-soundtouch/id824226524)

Control your Bose SoundTouch devices with this alternative app. Set sleep timers and alarms to power your system on or off with custom presets and volume.

**Highlights:** Control Bose SoundTouch devices, Sleep timer, Alarm clock, Set preset and volume, Power on/off devices

**Features:** macOS Compatibility, Apple Watch app, 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 Controller 4 Bose SoundTouch free?

Controller 4 Bose SoundTouch costs $5.99, with no in-app purchases.

### Which has better reviews, Between Dates Calendar Math or Controller 4 Bose SoundTouch?

Between Dates Calendar Math is rated higher. Between Dates Calendar Math averages 4.8 out of 5 from 40 ratings, while Controller 4 Bose SoundTouch averages 3.9 from 74 ratings.

### Do Between Dates Calendar Math or Controller 4 Bose SoundTouch have ads?

Neither Between Dates Calendar Math nor Controller 4 Bose SoundTouch shows ads.

### Which is updated more often, Between Dates Calendar Math or Controller 4 Bose SoundTouch?

Between Dates Calendar Math ships an update every 4 months, and Controller 4 Bose SoundTouch every 2 months. Most recently, Between Dates Calendar Math was updated on August 28, 2026 and Controller 4 Bose SoundTouch on September 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.*