SLII® vs Merck Buddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SLII®
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.
- Diagnosis wizard for development levels
- Actionable tips for SLII principles
- Interactive SLII Model visualization
- On-demand expanded information
- Guidance for leadership conversations
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The SLII App is for people and their team members who have received an app activation code as part of participating in one of Blanchard’s programs that uses the SLII Model. A quick go-to reference tool, this app will help leaders and team members improve relationships and performance by applying SLII to the real world. It helps at critical leadership moments—when preparing for a conversation with a team member or when asking for what you need from your leader to help you succeed. The app features: • A diagnosis wizard to diagnose an individual’s development level on important goals or tasks • Tips on what to do and what to say to help implement the principles of SLII • An interactive SLII Model shows the key characteristics of each development level and matching leadership style • Expanded information available on-demand throughout the app
Merck Buddy
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The application is used to provide a platform for Merck Life Science India to share meetings, trainings videos, technical documents with thousands of client users around the world. The application is used by users to: - View updates on feed - View upcoming training & events - Explore brochures and product guides in the library section.
Screenshots
Verdict
The clearest difference is iOS requirement: SLII® at 12.4 against Merck Buddy's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 10, 2026 and May 17, 2026 respectively.
| Parameter | SLII® | Merck Buddy |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (28 ratings) — better | — |
| Positive reviews | 58.3% of reviews | — |
| Number of ratings | 28 — better | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.4 — better | 16.0 |
| Further details — not scored | ||
| Size | 47 MB | 62 MB |
| Age rating | 4+ | 17+ |
| Developer | The Ken Blanchard Companies | Neet Technologies LLP |
In-app purchases
SLII®
No in-app purchases
Merck Buddy
No in-app purchases
