K vs Unit Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
K
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K-AUDIO-72是KH7002、KH7200的一款控制软件，分为iPhone版和ipad版两个版本。 KH7002： 1) 本机是一款针对家庭使用的中高端音响设备，集无线麦克风、手机音频推送、音视频解码、卡拉OK、、音频解码，支持杜比7.1功放于一体。 2) 本机体积紧凑、功能强大，基于DSP全数字音频系统。 3) 具有双路双麦，加 入卡拉OK混响效果。 4) 无线和蓝牙音频推送，支持USB音频播放 5) 无线APP功能控制。 6) 主系统控制芯片采用 M4内核STM32F407IIT6，主频高达180MHz。 7) 显示采用5寸高清IPS屏，电容触控，分辨率480*854 8) 配专业PC软件、IOS APP，支持wifi、RS232实时控制 9) 支持中控功能 (串口控制) 10) 支持standby模式。
Unit Converter
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This is an efficient tool app that integrates a professional calculator with multi-unit conversion functionality. Supports complex expression calculations and multiple categories of physical unit conversions, meeting various calculation needs in study, work, and daily life. 【Core Feature Highlights】 Powerful Expression Calculation Engine ￭ Supports complex mathematical operations (e.g., 2.5 × 3.8 + 1.2 ÷ 0.4) ￭ Scientific notation display ￭ Real-time calculation result preview ￭ Customizable decimal precision Comprehensive Unit Conversion Support ￭ Length, Mass, Time, Current, Temperature, Acceleration, Area, Charge, Force, Frequency, Plane Angle, Solid Angle, Speed, Volume User-Friendly Experience ￭ Save frequently used unit pairs for quick access ￭ Switch freely between dark and light themes ￭ Simple and intuitive interface Smart Conversion Experience ￭ One-tap unit swap function ￭ Copy calculation results and full formulas
Screenshots
Verdict
The clearest difference is in-app purchases: K at none against Unit Converter's 1. K also leads on iOS requirement (8.0 vs 12.0). Unit Converter's advantage is update cadence (every 2 weeks vs every 3 weeks). On price, ads 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. Unit Converter sells 1 one-off in-app purchase. K asks for nothing beyond the download.
K ships an update every 3 weeks, Unit Converter every 2 weeks. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.
| Parameter | K | Unit Converter |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 10 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | HMAUDIO Technology Co.,Ltd | 伟鹏 李 |
In-app purchases
K
No in-app purchases
Unit Converter
- Unlock Premium Membership$0.99
