CA DSP vs KOSO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CA DSP
This utility app provides comprehensive control over audio settings, including EQ, crossovers, and time alignment. Configure all adjustments and DSP functionality remotely via smartphone, tablet, or PC.
- EQ adjustments
- Controllable crossover settings
- Digital time alignment
- Grouping functionality
- Preset and custom memory
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It offers complete control and adjustments, such as EQ, 6/12/24/48 dB controllable crossover, digital time alignment, grouping, preset and custom settings memory. The versatility is endless. All adjustments and DSP functionality are configureed via smartphone, tablet or PC with CA-DSP APP installed.
KOSO
Connect to KOSO meters via Bluetooth to fetch trip data, receive maintenance notifications, and view vehicle diagnostics. It also provides weather forecasts, gas prices, and navigation features, with optional synchronized display on compatible vehicle dashboards.
- Bluetooth connectivity 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
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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.
Screenshots
Verdict
The clearest difference is rating: CA DSP at 5.0 against KOSO's 3.0. CA DSP also leads on iOS requirement (11.0 vs 15.6). KOSO's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ratings volume, ads and in-app purchases 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.
CA DSP holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
CA DSP ships an update every 6 weeks, KOSO every 2 weeks. Both last shipped on November 3, 2026.
| Parameter | CA DSP | KOSO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 18 MB | 210 MB |
| Age rating | 12+ | 17+ |
| Developer | 文栋 顾 | Tong Yah Electronic Technology Co., Ltd. |
Customer experience
CA DSP
KOSO
In-app purchases
CA DSP
No in-app purchases
KOSO
No in-app purchases









