Comparison

World Words vs CBT Trainer

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

Head to head
About

World Words

Master foreign vocabulary with personalized flashcards and interactive tests. Contribute to a global learning community by sharing and discovering new words. Practice daily with home screen widgets.

Highlights
  • Create custom flashcards
  • Take knowledge consolidation tests
  • Learn words from a global community
  • Share vocabulary with others
  • Use home screen widgets for daily practice
Features
Read full description

World Words: Live without borders Application Overview: World Words is your ideal language learning assistant that will help you memorize foreign words effectively. Key functions: 1. Custom Cards: - Create personalized flashcards for any foreign words you want to learn and practice anywhere, anytime. 2. Tests: - Take tests to consolidate your knowledge. Save and share the results. 3. The "World" section: - Learn new words from other users. Contribute to the global community by sharing your words and phrases. Learn from others and discover new vocabulary by sharing your experiences 4. Widgets for memorization: - Use interactive widgets on your phone's home screen to practice words daily. Privacy policy: http://g95071v2.beget.tech Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

CBT Trainer

This AI-driven platform offers realistic virtual patient interactions for therapists in training. It provides real-time feedback aligned with CBT competency frameworks, helping users improve assessment and clinical skills in a judgment-free environment. Practice anytime, anywhere with a variety of virtual patient scenarios.

Highlights
  • AI virtual patients for various conditions
  • Supports CBT, DBT, ACT modalities
  • Real-time feedback on competency
  • Voice and text interaction
  • Judgment-free practice environment
  • Develop essential clinical skills
Features
Read full description

The first AI-driven virtual patient platform with real-time feedback aligned to established competency frameworks, validated by research and trusted by 2000+ mental health professionals and leading universities. Developed by clinicians and academics at University College London (UCL) and validated in a peer-reviewed study published in JMIR Medical Education (Zhang et al., 2026), CBT Trainer helps therapists in training build essential clinical skills through realistic virtual patient interactions. Backed by Research In a UCL pilot study of 59 DClinPsy and Low-Intensity CBT trainees: 96% reported improved assessment skills 83% reported improved clinical skills overall Trainees voluntarily engaged for an average of 95+ minutes of role-play Rated "Excellent" on the System Usability Scale (82.2/100) "Knowing that I could practice anytime made me feel so much more calm about my exam." — Study Participant "The competence section helped me recognise areas I missed during my roleplay." — Study Participant Read the published study → https://mededu.jmir.org/2026/1/e84091 Perfect for: Clinical psychology trainees · CBT, DBT, ACT therapists in training · CBT therapists in training · Mental health educators Key Features: - AI virtual patients presenting depression, anxiety, PTSD, OCD, social anxiety, and more - Supports multiple therapy modalities: CBT, DBT, ACT - Real-time feedback aligned to the CTS-R Competence Scale - Voice and text interaction for natural conversation - Judgment-free environment to practise, make mistakes, and learn - No scheduling required — practise anytime, anywhere - Develop Essential Clinical Skills: Assessment · Information gathering · Therapeutic engagement · Guided discovery · Agenda setting · Risk assessment · Treatment delivery Supported competence scales: - Revised Cognitive Therapy Scale (CTS-R) - Cognitive Behaviour Therapy Scale for Children and Young People (CBTS-CYP) - Assessment of Core CBT Skills (ACCS) - ENhancing Assessment of Common Therapeutic factors (ENACT) - Person-Centred and Experiential Psychotherapy Scale-10 (PCEPS-10) - MBT Adherence and Competence Scale (MBT-RACS) CBT Trainer is intended for educational purposes only and does not provide medical advice or treatment. This app uses Apple's Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

World Words4 screens
CBT Trainer4 screens

Verdict

The call

World Words and CBT Trainer both sit at 5.0 stars, but that hides the real split: 86% of World Words's written reviews are positive against 0% of CBT Trainer's. On price, rating, ratings volume and update cadence 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. World Words sells 3 in-app purchases, starting at $0.99 per month and CBT Trainer sells 4 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for World Words against 5.0 for CBT Trainer. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews are what separate them: 86% of World Words's written reviews are positive against 0% of CBT Trainer's.

UpkeepUpdate frequency

World Words ships an update every 4 weeks, CBT Trainer monthly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

Scorecard1 real difference · 9 level
World Words versus CBT Trainer: the parameters behind the verdict, then further details
ParameterWorld WordsCBT Trainer
PriceFreeFree
Rating5.0 (5 ratings)5.0 (4 ratings)
Positive reviews85.7% of reviews — better0.0% of reviews
Number of ratings5 — better4
Update frequencyEvery 4 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.3 — better16.1
Further details — not scored
Size90 MB6 MB
Age rating4+4+
DeveloperUliana GritchinaSoy Educational Technologies Limited

Customer experience

World Words

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive85.7%
Neutral9.5%
Negative4.8%

CBT Trainer

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

3 purchases

World Words

Subscriptions2
  • World Words Premium$0.991 Month
  • World Words Premium Annual$9.991 Year
One-time1
  • Add 100 cards$0.69
4 purchases

CBT Trainer

Subscriptions4
  • Monthly Premium Promo$19.991 Month
  • Monthly Premium3 Days trial$29.991 Month
  • Yearly Premium Promo$49.991 Year
Show 1 more
  • Yearly Premium7 Days trial$199.991 Year

Questions

Is World Words free?
World Words is free to download, with in-app purchases available.
Is CBT Trainer free?
CBT Trainer is free to download, with in-app purchases available.
Which has better reviews, World Words or CBT Trainer?
World Words and CBT Trainer are both rated 5.0 out of 5 on the App Store, from 5 and 4 ratings respectively.
Do World Words or CBT Trainer have ads?
Neither World Words nor CBT Trainer shows ads.
Which is updated more often, World Words or CBT Trainer?
World Words ships an update every 4 weeks, and CBT Trainer monthly. Most recently, World Words was updated on October 15, 2026 and CBT Trainer on October 16, 2026.

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