UMSmartSound vs CHAO Tech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UMSmartSound
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---------------------- APP Function ---------------------- 1. Multiple sound modes, easy to switch, precise and easy to control --HIFI Mode: Raise the audio sample rate to the highest available threshold, let you instantly enter the immersive HIFI level listening experience. --Adaptable ANC Mode: Adjust the noise canceling level according to the loudness of the ambient sound. Let you fully enjoy the music without the increasing the pressure in the ears. --Ambient Mode: Let you hear through the ambient sound. Provide you the flexibility to communicate with others. --Voice Enhance Mode: In social settings, selectively enhanced environmental sounds to facilitate listening, communication and conversation. 2. Equalizer Gaming Mode, Touch Disable, In Ear Sensor, 4 preset EQ and 1 custom EQ. 3.Audio Scene Management (Idle/playing music/talking): Switches to a specific master mode 4.Equipped with personal usage habit setting function, double - click three - stroke settings 5.Restore original factory settings, firmware upgrade ---------------------- Contact ---------------------- If you have any questions or suggestions, please contact us: Email: service@uniquemelody.org Web: www.uniquemelody.org Privacy Policy: https://www.uniquemelody.org/policies/privacy-policy
CHAO Tech
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CHAO Tech主要为平台用户提供手机app的管理电子产品功能服务,例如蓝牙等可以连接一些音箱耳机的电子设备。
Screenshots
Verdict
The clearest difference is update cadence: CHAO Tech at every 9 days against UMSmartSound's every 3 months. UMSmartSound's advantage is iOS requirement (13.0 vs 16). 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.
UMSmartSound ships an update every 3 months, CHAO Tech every 9 days. The most recent releases landed on September 16, 2026 and September 18, 2026 respectively.
| Parameter | UMSmartSound | CHAO Tech |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 16 |
| Further details — not scored | ||
| Size | 11 MB | 131 MB |
| Age rating | 4+ | 4+ |
| Developer | Zero Plus Technology Co.,Ltd. | 超驰 戚 |
In-app purchases
UMSmartSound
No in-app purchases
CHAO Tech
No in-app purchases









