# SmartLoop Firmware Utility vs SLG Sync

SmartLoop Firmware Utility and SLG Sync are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SmartLoop Firmware Utility ships an update every 5 months, SLG Sync every 8 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SmartLoop Firmware Utility | SLG Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/slg-sync/id1672916011/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 8 months |
| Monetization | — | Free |
| Size | 30 MB | 44 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keystone Technologies, LLC](https://appshunter.io/developer/1460952182) | [SPRING LIGHTING GROUP INC](https://appshunter.io/developer/1672916013) |

## What reviewers say

### SmartLoop Firmware Utility

[App page](https://appshunter.io/ios/app/smartloop-firmware-utility/id1612165093)

**Features:** macOS Compatibility

**In-app purchases:** none


### SLG Sync

[App page](https://appshunter.io/ios/app/slg-sync/id1672916011)

Easily set up and manage wireless mesh compatible lighting fixtures, sensors, and switches. Automate lighting with schedules, control brightness and color, and manage motion sensing for individual lights or entire groups.

**Highlights:** Create light schedules, Control brightness and color temperature, Manage motion/occupancy sensing, Group lights for unified control, Configure daylight harvesting, Share control with users and admins

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartLoop Firmware Utility free?

SmartLoop Firmware Utility is free to download, with no in-app purchases.

### Is SLG Sync free?

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

### Do SmartLoop Firmware Utility or SLG Sync have ads?

Neither SmartLoop Firmware Utility nor SLG Sync shows ads.

### Which is updated more often, SmartLoop Firmware Utility or SLG Sync?

SmartLoop Firmware Utility ships an update every 5 months, and SLG Sync every 8 months. Most recently, SmartLoop Firmware Utility was updated on September 23, 2026 and SLG Sync on September 20, 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.*