3GCos Site Viewer vs SLII®
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3GCos Site Viewer
Access live camera feeds, project updates, and team contact information for your construction projects. View images, blueprints, and connect with the design and client teams.
- Live camera feeds
- Project updates
- Team contact information
- Images and blueprints
- Design and client team contacts
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The 3GCos Site Viewer App allows 3G Companies and Graham Construction Company’s clients the ability to access information regarding their construction projects, including: - Live Camera feeds from the construction site - Information regarding the 3G Companies and Graham Construction Company Team working for them including name, position, phone number and email address - Contact information for the design team, client team, and other involved team members - Images and blueprints regarding their construction project - Project updates regarding their construction project from the 3G Companies and Graham Construction Company Team - Contact information for 3G Companies and Graham Construction Company
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
Screenshots
Verdict
The clearest difference is rating: 3GCos Site Viewer at 5.0 against SLII®'s 3.3. 3GCos Site Viewer also leads on review sentiment (100% vs 58%). SLII®'s advantage is ratings volume (28 vs 4) and iOS requirement (12.4 vs 17.0). 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.
3GCos Site Viewer holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: SLII® has 28 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of 3GCos Site Viewer's written reviews are positive against 58% of SLII®'s.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on June 2, 2026 and September 10, 2026 respectively.
| Parameter | 3GCos Site Viewer | SLII® |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 3.3 (28 ratings) |
| Positive reviews | 100.0% of reviews — better | 58.3% of reviews |
| Number of ratings | 4 | 28 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12.4 — better |
| Further details — not scored | ||
| Size | 19 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Victory Enterprises | The Ken Blanchard Companies |
Customer experience
3GCos Site Viewer
SLII®
In-app purchases
3GCos Site Viewer
No in-app purchases
SLII®
No in-app purchases
