# SLII® vs DS Events by Daiichi Sankyo

The clearest difference is iOS requirement: SLII® at 12.4 against DS Events by Daiichi Sankyo's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SLII® ships an update every 3 weeks, DS Events by Daiichi Sankyo monthly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SLII® | DS Events by Daiichi Sankyo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (28 ratings)](https://appshunter.io/ios/app/slii/id536473591/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 47 MB | 54 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [The Ken Blanchard Companies](https://appshunter.io/developer/417829677) | [Daiichi Sankyo Europe GmbH](https://appshunter.io/developer/1030349834) |

## What reviewers say

### SLII®

[App page](https://appshunter.io/ios/app/slii/id536473591)

This reference tool helps leaders and team members apply the SLII Model to improve relationships and performance. It provides guidance for critical leadership moments, offering diagnostic tools and actionable tips.

**Highlights:** Diagnosis wizard for development levels, Actionable tips for SLII principles, Interactive SLII Model visualization, On-demand expanded information, Guidance for leadership conversations

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

**In-app purchases:** none


### DS Events by Daiichi Sankyo

[App page](https://appshunter.io/ios/app/ds-events-by-daiichi-sankyo/id6741801844)

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

**In-app purchases:** none


## Frequently asked questions

### Is SLII® free?

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

### Is DS Events by Daiichi Sankyo free?

DS Events by Daiichi Sankyo is free to download, with no in-app purchases.

### Do SLII® or DS Events by Daiichi Sankyo have ads?

Neither SLII® nor DS Events by Daiichi Sankyo shows ads.

### Which is updated more often, SLII® or DS Events by Daiichi Sankyo?

SLII® ships an update every 3 weeks, and DS Events by Daiichi Sankyo monthly. Most recently, SLII® was updated on November 1, 2026 and DS Events by Daiichi Sankyo on October 30, 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.*