# SLII® vs SINGU FM

The clearest difference is rating: SLII® at 3.3 against SINGU FM's 2.0. SLII® also leads on ratings volume (28 vs 1) and iOS requirement (12.4 vs 15.5). 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® holds the better App Store score, 3.3 against 2.0. That said, the two scores are not equally well evidenced: SLII® has 28 ratings behind it against 1, so its average is the more settled of the two.

SLII® ships an update every 3 weeks, SINGU FM every 2 weeks. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SLII® | SINGU FM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (28 ratings)](https://appshunter.io/ios/app/slii/id536473591/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/singu-fm/id6463778664/reviews) |
| Number of ratings | **28** | 1 |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 47 MB | 78 MB |
| Requires iOS | **12.4** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Ken Blanchard Companies](https://appshunter.io/developer/417829677) | [Velis RET SP z o.o.](https://appshunter.io/developer/922439655) |

## 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


### SINGU FM

[App page](https://appshunter.io/ios/app/singu-fm/id6463778664)

Manage maintenance, assets, and facility workflows from your mobile device. Centralize work orders, equipment data, and communication for efficient operations. Capture issues on-site and gain real-time insights into your property portfolio.

**Highlights:** Work order and ticket management, On-site inspection and issue capture, Equipment and inventory oversight, In-app communication and collaboration, Real-time data and insights, Offline data capture and sync

**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 SINGU FM free?

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

### Which has better reviews, SLII® or SINGU FM?

SLII® is rated higher. SLII® averages 3.3 out of 5 from 28 ratings, while SINGU FM averages 2.0 from 1 ratings.

### Do SLII® or SINGU FM have ads?

Neither SLII® nor SINGU FM shows ads.

### Which is updated more often, SLII® or SINGU FM?

SLII® ships an update every 3 weeks, and SINGU FM every 2 weeks. Most recently, SLII® was updated on September 10, 2026 and SINGU FM on September 19, 2026.

---

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