TESNA vs DX641升级工具
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TESNA
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The TESNA series of Bluetooth headphones comes with a dedicated app that is compatible with all TESNA Bluetooth products. It offers a variety of preset sound effects tuned by acoustic experts (such as deep bass and clear vocals), and also supports a customizable equalizer, allowing you to craft your own favorite sound.
DX641升级工具
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DX641升级工具用于配合多协 DX641 系列设备，在 iPhone/iPad 上通过蓝牙连接设备，完成固件升级与基础配置。 主要功能： • 搜索并连接附近的 DX641 设备 • 查看设备当前固件版本与设备信息 • 下载并安装官方固件，完成安全升级
Screenshots
Verdict
TESNA and DX641升级工具 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
TESNA ships an update every 6 days, DX641升级工具 weekly. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.
| Parameter | TESNA | DX641升级工具 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14 | 13.0 — better |
| Further details — not scored | ||
| Size | 80 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Lingsong Shenghuo Technology Co., Ltd. | Duoxie Information Technologies Co.,Ltd |
In-app purchases
TESNA
No in-app purchases
DX641升级工具
No in-app purchases
