音流Soflux vs HeyFree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
音流Soflux
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Seamless Global Communication Real-time AI-powered simultaneous translation, supporting 140+ languages for effortless conversations during international travel and business meetings. Highly accurate meeting transcription, instantly converting speech to text with one-click meeting minutes export. Smart Chat Assistant Featuring an AI-driven chat model, answering questions, drafting copy, and brainstorming ideas – your ultimate office companion
HeyFree
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Build workplace English listening practice into your daily routine with HeyFree. LISTEN, THEN UNDERSTAND Listen first, then explore sentence-by-sentence English and Chinese text. Adjust playback speed, inspect sentences, and listen again at your own pace. KEEP USEFUL EXPRESSIONS Save practical phrases, collocations, and sentence patterns to your expression library and review them later. PRACTICE AT YOUR LEVEL Choose from five levels, A1 to C1. After each listening item, mark it too hard, just right, or too easy to help adjust recommendations. You can also change your level in Settings. LISTEN ON THE GO After you start playback, listening continues when you lock your screen or switch apps. Use system playback controls to pause, resume, and seek. WORKPLACE SCENARIOS Practice everyday collaboration, meetings, customer communication, and international trade with American and British English content. Listening content is AI-assisted and reviewed. You can report content issues within the app. FREE AND MEMBERSHIP Free users can listen to 5 items per day and save up to 30 expressions. Review is unlimited. HeyFree membership includes unlimited listening and expression saves, with monthly and annual auto-renewable subscriptions. In mainland China, the standard monthly price is CNY 29. Eligible new subscribers pay CNY 9.90 for the first month, then CNY 29 per month. The annual price is CNY 168; eligible new subscribers receive a 7-day free trial, followed by annual renewal. Apple determines introductory-offer eligibility within the subscription group. Subscribers who are not eligible pay the standard price. Prices and available offers in other regions are shown in the Apple purchase confirmation sheet. You can cancel auto-renewal in your Apple Account subscription settings at least 24 hours before the current period ends. AI speaking practice is not available in this version. Privacy Policy: https://www.heyfree.cn/privacy Terms of Use: https://www.heyfree.cn/terms
Screenshots
Verdict
The clearest difference is iOS requirement: 音流Soflux at 16.0 against HeyFree's 18.0. 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.
音流Soflux ships an update every 2 weeks, HeyFree weekly. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.
| Parameter | 音流Soflux | HeyFree |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 106 MB | 11 MB |
| Age rating | 17+ | 4+ |
| Developer | 深圳市矢量律动科技有限公司 | 深圳市宝砾科技有限公司 |
In-app purchases
音流Soflux
No in-app purchases
HeyFree
No in-app purchases









