HW Link V2 vs TATTU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HW Link V2
This application allows users to wirelessly program ESC parameters on compatible car, aircraft, and boat electronic speed controllers. Connect via a WiFi module or OTA Programmer to adjust settings remotely from your smartphone.
- Wireless ESC programming
- Remote parameter adjustment
- Smartphone control
- Supports car, aircraft, and boat ESCs
- Compatible with HW WiFi express module/OTA Programmer
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The ESC can now use a wireless connection via the use of the HW WiFi express module or OTA Progammer for thefollowing operating systems ; iOS phone (using the HW LINK V2 APP) users can easily andremotely (without leaving the control stand) program the ESC parameters displayed on the smartphone to their own preference.Work on the XERUN series, EZRUN series of car ESCs, and the Platinum series of aircraft ESCs, and SEAKING PRO series of boat ESCs.
TATTU
This utility app provides battery management system (BMS) functions for smart batteries. It allows users to monitor and control battery parameters. Designed for efficient battery operation and maintenance.
- Battery Management System (BMS)
- Smart battery monitoring
- Battery parameter control
- Efficient battery operation
- Battery maintenance functions
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TATTU智能电池 BMS管理系统。
Screenshots
Verdict
The clearest difference is rating: HW Link V2 at 3.4 against TATTU's 1.0. HW Link V2 also leads on review sentiment (30% vs 0%) and ratings volume (35 vs 1). 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.
HW Link V2 holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: HW Link V2 has 35 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 30% of HW Link V2's written reviews are positive against 0% of TATTU's.
HW Link V2 ships an update every 3 months, TATTU every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | HW Link V2 | TATTU |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (35 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 29.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 35 — better | 1 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Hobbywing Technology Co.,Ltd | Shenzhen Grepow Battery Co.Ltd. |
Customer experience
HW Link V2
TATTU
In-app purchases
HW Link V2
No in-app purchases
TATTU
No in-app purchases
