KOSO vs TST LED
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KOSO
This app connects to Koso meters via Bluetooth to retrieve trip data, providing fuel and maintenance notifications, and vehicle diagnostics. It also offers weather forecasts, gas prices, and navigation features, with optional synchronized turn-by-turn guidance on compatible vehicle dashboards.
- Bluetooth connection to Koso meters
- Trip record storage
- Fuel and maintenance notifications
- Vehicle diagnosis
- Weather forecast and gas price information
- Navigation and routing
- Virtual dashboard with real-time OBD data
Read full descriptionHide full description
K Link supports establishing a connection with Koso meters via Bluetooth. When connected, K Link fetches the essential information from remote and store as trip records in App. That information is also used for providing fuel and regular/temporary maintenance notification and vehicle diagnosis. K LINK provides related information beforehand such as the weather forecast info and the instant gas price for a reference to help drivers ready for the trip. K LINK provides a map for finding a destination and routing towards the destination. When connected to the Koso dashboard embed on the vehicle, the turn-by-turn navigation guidance shows on the vehicle dashboard synchronized. You can use a virtual dashboard screen to experience the KOSO's dashboard instruments and monitoring the speed, rev, and other data based on the real-time OBD data.
TST LED
Read full descriptionHide full description
Millions of Colors, At Your Fingertips: - Use an intuitive color wheel to precisely pick any color you desire. - Access multiple popular color presets for instant ambiance changes with a single tap. Dynamic Modes, Vivid Effects: - Built-in dynamic light effects: smooth gradients, energetic strobes, rhythmic music sync, and more. - Customize the speed and brightness of each mode to create a unique visual experience. One-Tap Control, Ultimate Simplicity: - A clean and intuitive interface puts power, mode switching, and on/off control right at your fingertips. - Your favorite lighting scenes are automatically saved for one-tap activation next time.
Screenshots
Verdict
The clearest difference is update cadence: KOSO at every 2 weeks against TST LED's every 6 months. On price, ads, in-app purchases and device support 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.
KOSO ships an update every 2 weeks, TST LED every 6 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | KOSO | TST LED |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 210 MB | 101 MB |
| Age rating | 17+ | 9+ |
| Developer | Tong Yah Electronic Technology Co., Ltd. | Foshan Lingchuang Future Information Technology Co., Ltd. |
In-app purchases
KOSO
No in-app purchases
TST LED
No in-app purchases
