# 15 vs Sideboard

The clearest difference is in-app purchases: Sideboard at none against 15's 2. Sideboard also leads on ads (none vs shown) and device support (5 vs 3). 15's advantage is iOS requirement (13.0 vs 26.0). On price and update cadence there is nothing between them.

Both are free to download. 15 sells 2 in-app purchases, starting at $4.99 per 7 days. Sideboard asks for nothing beyond the download.

15 ships an update monthly, Sideboard every 5 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 15 | Sideboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/sideboard/id6499199954/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 41 MB | 11 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 17+ | 4+ |
| Developer | [Smit Pipaliya](https://appshunter.io/developer/1646406919) | [JOHN ANDREW POLLARD](https://appshunter.io/developer/1736381948) |

## What reviewers say

### 15

[App page](https://appshunter.io/ios/app/15-min-book-summaries/id6468239160)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $4.99 | per 7 days |
| Yearly Premium Access | $79.99 | per year |


### Sideboard

[App page](https://appshunter.io/ios/app/sideboard/id6499199954)

This app displays your upcoming and in-progress meetings, showing the time until your next event or the remaining duration of your current one. It offers widgets for your home screen and can run in standby mode to keep your schedule visible.

**Highlights:** See upcoming and in-progress meetings, Time until next meeting display, Current meeting duration tracking, Home screen widgets, Standby mode for schedule visibility, Designed for side-running productivity

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is 15 free?

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

### Is Sideboard free?

Sideboard is free to download, with no in-app purchases.

### Do 15 or Sideboard have ads?

15 shows ads; Sideboard does not.

### Which is updated more often, 15 or Sideboard?

15 ships an update monthly, and Sideboard every 5 weeks. Most recently, 15 was updated on November 3, 2026 and Sideboard on November 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*