# ACS by ALG vs SLG Sync Plus

ACS by ALG and SLG Sync Plus are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence 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.

On the App Store both sit at effectively the same score — 5.0 for ACS by ALG against 5.0 for SLG Sync Plus. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

ACS by ALG ships an update every 4 months, SLG Sync Plus every 3 months. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ACS by ALG | SLG Sync Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/acs-by-alg/id6754263144/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/slg-sync-plus/id6757074083/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 37 MB | 35 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Archipelago Lighting, Inc.](https://appshunter.io/developer/1847524255) | [SPRING LIGHTING GROUP INC](https://appshunter.io/developer/1672916013) |

## What reviewers say

### ACS by ALG

[App page](https://appshunter.io/ios/app/acs-by-alg/id6754263144)

Control Archipelago intelligent lighting systems in small to medium buildings. Offers quick setup, easy configuration, and real-time management with features like scene creation, group control, and energy-saving automation.

**Highlights:** Rapid setup, Intuitive configuration, Real-time management, Flexible scene creation, Group control, Energy-efficient automation

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

**In-app purchases:** none


### SLG Sync Plus

[App page](https://appshunter.io/ios/app/slg-sync-plus/id6757074083)

This application manages smart lighting systems for commercial and architectural spaces. It offers intuitive configuration, automated scheduling, and precise control over brightness and color temperature. The platform supports group orchestration and multi-user access for professional lighting installations.

**Highlights:** Intuitive configuration and commissioning, Automated lighting schedules, Precise control of brightness and color, Motion and occupancy sensing configuration, Scene management and group orchestration, Multi-user access and control sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is ACS by ALG free?

ACS by ALG is free to download, with no in-app purchases.

### Is SLG Sync Plus free?

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

### Which has better reviews, ACS by ALG or SLG Sync Plus?

ACS by ALG and SLG Sync Plus are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do ACS by ALG or SLG Sync Plus have ads?

Neither ACS by ALG nor SLG Sync Plus shows ads.

### Which is updated more often, ACS by ALG or SLG Sync Plus?

ACS by ALG ships an update every 4 months, and SLG Sync Plus every 3 months. Most recently, ACS by ALG was updated on September 14, 2026 and SLG Sync Plus on September 9, 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.*