K vs Sewerlink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
K
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With this app you can control your K-Rain BLUE Bluetooth Battery Powered Controller from a smartphone or tablet and is ideal for areas where AC Power is unavailable. App features: • Allows you to manage an unlimited number of controllers • Program, operate and make scheduling changes • Geo-location feature: See every controller, every site, every program • Crew-View™ remote programming allows your team to see all site controller changes/updates • Battery replacement alerts • Add a passcode lock to each controller for added security The BLUE Bluetooth Battery Powered Controller comes in 1, 2 and 4 stations models.
Sewerlink
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Integrates seamlessly with JetScan, QuickView AirHD, and DrainStreer inspection camera systems, enabling efficient capture, synchronization, and management of inspection videos and data. Streamline sewer and drainage inspections, improve reporting accuracy, and access all inspection records from a single platform.
Screenshots
Verdict
The clearest difference is iOS requirement: K at 11.0 against Sewerlink's 14.6. On price, update cadence, 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.
K ships an update every 3 months, Sewerlink every 5 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.
| Parameter | K | Sewerlink |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 14.6 |
| Further details — not scored | ||
| Size | 52 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | K-Rain Manufacturing Corporation | WinCan |
In-app purchases
K
No in-app purchases
Sewerlink
No in-app purchases
