Comparison

ProDio vs HSK Master

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

Head to head
About

ProDio

Features
Read full description

ProDio "Story Style" audio learning allows you to complete your PD courses on your phone or tablet during otherwise unproductive time - commuting, travelling, exercising or during outdoor activities. No screen or lecture hall needed, just you and your phone. And with our courses delivered in audio-only, you don’t need to be staring at your screen - you can leave your phone in your pocket or purse and simply listen. Download modules for listening without consuming data or while in airplane mode. ProDio audio modules are easy to listen to. A team of professional instructors, scriptwriters, narrators and sound designers bring each course to life in an engaging and memorable way. Compelling stories, case studies and interviews with experts keep the content interesting and engaging. Best of all, they’re enjoyable and entertaining so you’ll retain more information. Just download the free app, purchase your course and listen whenever it’s convenient. Concise 10-15 minute modules make it easy to learn in small, convenient doses. You can stop, restart and review at any time and you can access your courses for a full year after purchase. HOW PRODIO WORKS • Courses are 1-4 hours long made up of modules of 10-15 minutes. • Courses include a multiple-choice quiz to verify your learning. • Your purchased courses will be available for a full year after purchase. • After successfully finishing all modules and quizzes in the course, you’ll receive a certificate of completion. • ProDio tracks your PD hours, CPD credits and history of completed courses. • Course completion certificates can be accessed any time for verification. • You can access your ProDio account on any device or web browser at prodiolearning.com

About

HSK Master

Features
Read full description

HSK Master - Your Chinese Learning Partner HSK Master is the most effective vocabulary learning app for Chinese Proficiency Test (HSK) preparation. We provide comprehensive essential vocabulary from HSK Level 1 to Level 6 in a systematic way, making Chinese learning easier and more enjoyable with effective learning tools and an intuitive interface. PERFECT FOR Students preparing for official HSK certification exams Beginners starting their Chinese language learning journey Intermediate learners expanding their vocabulary knowledge Advanced students mastering upper-level HSK vocabulary Anyone seeking systematic and structured Chinese learning Travelers preparing for trips to Chinese-speaking regions Business professionals working with Chinese partners Language enthusiasts passionate about Mandarin Chinese

Screenshots

ProDio4 screens
HSK Master4 screens

Verdict

The call

The clearest difference is ads: ProDio at none against HSK Master's shown. HSK Master's advantage is update cadence (every 2 days vs every 2 months). On price, in-app purchases, device support and iOS requirement 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. ProDio sells 7 one-off in-app purchases and HSK Master sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ProDio ships an update every 2 months, HSK Master every 2 days. The most recent releases landed on November 11, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 4 level
ProDio versus HSK Master: the parameters behind the verdict, then further details
ParameterProDioHSK Master
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.113.0 — better
Further details — not scored
Size39 MB28 MB
Age rating4+4+
DeveloperProDio Audio Learning Inc.JIHUN JO

In-app purchases

7 purchases

ProDio

One-time7
  • Mortgage Essentials$6.99
  • REALTOR® Safety Tips$29.99
  • CPA Skills AI Can't Beat$39.99
Show 4 more
  • Conflicts of Interest Unpacked$42.99
  • Acing your Strategy$54.99
  • Real Estate Bundle$59.99
  • Focus on Change$64.99
1 purchases

HSK Master

One-time1
  • Remove Ads$1.99

Questions

Is ProDio free?
ProDio is free to download, with in-app purchases available.
Is HSK Master free?
HSK Master is free to download, with in-app purchases available.
Do ProDio or HSK Master have ads?
HSK Master shows ads; ProDio does not.
Which is updated more often, ProDio or HSK Master?
ProDio ships an update every 2 months, and HSK Master every 2 days. Most recently, ProDio was updated on November 11, 2026 and HSK Master on October 20, 2026.

Other comparisons