# SL solutions vs Countdown Stopwatch

The clearest difference is price: SL solutions at Free against Countdown Stopwatch's $1.99. SL solutions also leads on update cadence (every 3 months vs every 6 months) and iOS requirement (9.0 vs 16.2). On rating, ratings volume, ads and in-app purchases there is nothing between them.

SL solutions is free to download; Countdown Stopwatch costs $1.99 up front. 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 SL solutions against 5.0 for Countdown Stopwatch. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

SL solutions ships an update every 3 months, Countdown Stopwatch every 6 months. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SL solutions | Countdown Stopwatch |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sl-solutions/id1492085098/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/countdown-stopwatch/id6446262141/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | **Free** | Paid |
| Size | 28 MB | 3 MB |
| Requires iOS | **9.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TIOSL TECHNOLOGY SHENZHEN CO LTD](https://appshunter.io/developer/1492085097) | [Kristofer Shamloo](https://appshunter.io/developer/1122330979) |

## What reviewers say

### SL solutions

[App page](https://appshunter.io/ios/app/sl-solutions/id1492085098)

Control Bluetooth smart lighting networks with this app. Manage devices, create lighting scenarios, and monitor energy consumption. Share control permissions and perform emergency power tests.

**Highlights:** Bluetooth lighting network management, Automatic device search, Lighting scenario setup, Energy consumption monitoring, Share control permissions, Emergency power testing, Visualized commissioning

**Features:** macOS Compatibility

**In-app purchases:** none


### Countdown Stopwatch

[App page](https://appshunter.io/ios/app/countdown-stopwatch/id6446262141)

This utility app provides a customizable stopwatch with a countdown start feature. Users can adjust the countdown duration and the starting phrase. It also keeps a history of recent timing sessions.

**Highlights:** Adjustable countdown start duration, Customizable start phrase, Recent history list, Stopwatch functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is SL solutions free?

SL solutions is free to download, with no in-app purchases.

### Is Countdown Stopwatch free?

Countdown Stopwatch costs $1.99, with no in-app purchases.

### Which has better reviews, SL solutions or Countdown Stopwatch?

SL solutions and Countdown Stopwatch are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do SL solutions or Countdown Stopwatch have ads?

Neither SL solutions nor Countdown Stopwatch shows ads.

### Which is updated more often, SL solutions or Countdown Stopwatch?

SL solutions ships an update every 3 months, and Countdown Stopwatch every 6 months. Most recently, SL solutions was updated on September 29, 2026 and Countdown Stopwatch on September 28, 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.*