Comparison

音流Soflux vs HeyFree

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

音流Soflux

Features
Read full description

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

About

HeyFree

Features
Read full description

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

音流Soflux4 screens
HeyFree4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 5 level
音流Soflux versus HeyFree: the parameters behind the verdict, then further details
Parameter音流SofluxHeyFree
PriceFreeFree
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18.0
Further details — not scored
Size106 MB11 MB
Age rating17+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

None

音流Soflux

No in-app purchases

None

HeyFree

No in-app purchases

Questions

Is 音流Soflux free?
音流Soflux is free to download, with no in-app purchases.
Is HeyFree free?
HeyFree is free to download, with no in-app purchases.
Do 音流Soflux or HeyFree have ads?
Neither 音流Soflux nor HeyFree shows ads.
Which is updated more often, 音流Soflux or HeyFree?
音流Soflux ships an update every 2 weeks, and HeyFree weekly. Most recently, 音流Soflux was updated on November 5, 2026 and HeyFree on October 30, 2026.

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