Comparison

BioApp Quiz vs Kharty

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

Head to head
About

BioApp Quiz

Features
Read full description

• QUIZ: Expand your biology knowledge and win joker points for the "Challenge". • CHALLENGE: Play against time. You won't live forever, but the joker points will help you... • OLYMPIAD: Train for the Biology Olympiad and be well prepared for the real qualification (more about the Biology Olympiad at: www.biology.olympiad.ch) The BioApp gives you the opportunity to deepen and test your biology knowledge. Whether you are studying for an exam or simply want to set a new high score, the BioApp offers the right game mode. The BioApp also allows your teachers to put together their own series of exercises so that you can train even more specifically! The app can also be played in the browser: www.app.bioapp.ch

About

Kharty

Transform learning into an engaging game by quizzing yourself on maps and diagrams. Create custom study materials or explore a vast catalog. Master subjects through a progressive learning method, track your progress, and challenge others.

Highlights
  • Create custom diagrams
  • Multiple game modes
  • Progressive learning method
  • Track best records
  • Dictation of terms
  • Share creations
  • Offline study
Features
Read full description

NEW Kharty AI. Say what you want to learn, Kharty creates a game for you! Kharty turns learning maps and diagrams into an exciting game! Choose from our catalog or easily create your own with AI. Quickly master any diagram with Kharty’s progressive learning method! Main Features: - Download or create your own diagrams - Multiple and engaging game modes - Progressive learning - Track and beat your best records - Dictation of terms in many languages - Share your creations with friends, students and the community - Study offline Kharty is free to download. To play and create, you need a Kharty+ subscription, monthly or yearly (the yearly plan starts with a 7-day free trial). Kharty+ includes 10 AI Khartys a month; more are available as separate in-app purchases. No more staring at textbooks, learning is now a game to have fun with: As terms are displayed and dictated, locate them in the illustration before time runs out and don’t make errors to beat your own records. Master what you’re studying and challenge your friends! Download diagrams, maps or charts: Browse the gallery for any subject, from geography and anatomy to history and vocabulary. Create your own: It couldn’t be easier, just pick an image and add in your terms, all right within the app. In no time, your new diagram will be available to study with all game modes provided by Kharty. Play and share your creations with anybody: friends, students, classmates or the entire Kharty community! Progressive learning: Don’t get overwhelmed by complex diagrams, our method makes it easy by focusing on a few terms at a time. As you master each term, more will be added, with checkpoints to ensure maximum retention. You’ll surprise yourself with how much and how fast you learn! Help us improve! Send us your feedback and diagram suggestions: contact@kharty.com Terms of Use (EULA): https://www.kharty.com/en/tos Privacy Policy: https://www.kharty.com/en/privacy

Screenshots

BioApp Quiz4 screens
Kharty4 screens

Verdict

The call

The clearest difference is in-app purchases: BioApp Quiz at none against Kharty's 9. BioApp Quiz also leads on ads (none vs shown). Kharty's advantage is update cadence (every 3 days vs every 2 months). On price, 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. Kharty sells 9 in-app purchases, starting at $3.99 per month. BioApp Quiz asks for nothing beyond the download.

UpkeepUpdate frequency

BioApp Quiz ships an update every 2 months, Kharty every 3 days. The most recent releases landed on December 6, 2025 and October 21, 2026 respectively.

Scorecard3 real differences · 7 level
BioApp Quiz versus Kharty: the parameters behind the verdict, then further details
ParameterBioApp QuizKharty
PriceFreeFree
Rating—4.8 (205 ratings) — better
Positive reviews—95.2% of reviews
Number of ratings—205 — better
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size57 MB84 MB
Age rating4+4+
DeveloperBerner FachhochschuleKharty LLC

In-app purchases

None

BioApp Quiz

No in-app purchases

9 purchases

Kharty

Subscriptions6
  • Kharty + Monthly (Student)$3.991 Month
  • Kharty + Monthly (Teacher)$3.991 Month
  • Kharty PRO Monthly (Teacher)7 Days trial$19.991 Month
Show 3 more
  • Kharty + Annual (Teacher)7 Days trial$29.991 Year
  • Kharty + Annual (Student)7 Days trial$29.991 Year
  • Kharty PRO Annual (Teacher)1 Month trial$149.991 Year
One-time3
  • 3 AI Khartys$2.99
  • 10 AI Khartys$6.99
  • 25 AI Khartys$14.99

Questions

Is BioApp Quiz free?
BioApp Quiz is free to download, with no in-app purchases.
Is Kharty free?
Kharty is free to download, with in-app purchases available.
Do BioApp Quiz or Kharty have ads?
Kharty shows ads; BioApp Quiz does not.
Which is updated more often, BioApp Quiz or Kharty?
BioApp Quiz ships an update every 2 months, and Kharty every 3 days. Most recently, BioApp Quiz was updated on December 6, 2025 and Kharty on October 21, 2026.

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