Psychology Dictionary vs Applied ACT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Psychology Dictionary
Explore over 18,000 psychological terms with in-depth explanations and a pronunciation guide. This app serves as a comprehensive resource for students, professionals, and anyone interested in mental health and self-improvement.
- Extensive database of 18,000+ terms
- In-depth explanations
- Bookmark and favorite terms
- Pronunciation guide
- Regularly updated content
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Unlock the secrets of the human mind with Psychology Dictionary, your comprehensive guide to over 18,000 psychological terms. Delve into the fascinating world of mental health, therapy, and self-improvement, all at your fingertips. Expand your mental horizons and gain a deeper understanding of the human psyche. Download Psychology Dictionary today and embark on your journey towards self-discovery and mental wellness. KEY FEATURES EXTENSIVE DATABASE Access a vast collection of 18,000+ up-to-date psychological terms, from A to Z. Whether you're a student, professional, or simply curious, our app covers it all. IN-DEPTH EXPLANATIONS Dive deep into each term with detailed definitions and explanations. Gain insights into the complex concepts of psychology and mental health. BOOKMARK & FAVORITE Create your own personalized library by bookmarking your most-used terms for quick reference. Save your favorites to revisit later. PRONOUNCIATION GUIDE Improve your vocabulary with our pronunciation guide. Speak confidently about psychological terms with accurate pronounciations. STAY UPDATED Our database is regularly updated to ensure you have the latest information in the ever-evolving field of psychology. WHY CHOOSE PSYCHOLOGY DICTIONARY? Enhance Your Knowledge: Whether you're a psychology student or just curious about the mind, our app provides a wealth of information to satisfy your curiosity. Perfect for Professionals: Psychologists, therapists, counselors, and educators can rely on our app as a handy reference tool in their practice. Self-Improvement: Explore the world of self-help, self-discovery, and personal growth through a better understanding of psychological concepts. https://apa.nefarius.co/privacy-policy https://apa.nefarius.co/terms-of-use
Applied ACT
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Applied ACT brings your enrolled training and learning resources together in one place. Designed for clinicians developing their use of Acceptance and Commitment Therapy, the app gives you mobile access to the courses and resources available through your Applied ACT account. Previously known as Katalis, Applied ACT is a specialist division of Behavioural Health. Existing learners can continue using their current account. Available content and features depend on your enrolments. Visit appliedact.com to explore training or learn.appliedact.com to access the learning platform.
Screenshots
Verdict
The clearest difference is iOS requirement: Applied ACT at 15.0 against Psychology Dictionary's 17.0. 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. Psychology Dictionary sells 8 in-app purchases, starting at $4.99 per 7 days and Applied ACT sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Psychology Dictionary ships an update every 4 weeks, Applied ACT monthly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Psychology Dictionary | Applied ACT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (420 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 420 — better | — |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 54 MB | 113 MB |
| Age rating | 4+ | 17+ |
| Developer | Nefarius Apps | Behavioural Health Pty Ltd |
Bugs and requests
Psychology Dictionary
Reported bugs
4 issues- Typo in definition of 'abuse' (foormal)
- App closes when looking up terms
- Video ads pop out while typing
- Rate us function doesn't work
Requested features
2 requests- Add small or key examples for each word
- Add horizontal view support for iPad (now implemented)
Applied ACT
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Psychology Dictionary
- Premium$4.997 Days
- Premium3 Days trial$4.997 Days
- Premium weekly with discount7 Days trial$9.997 Days
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- Premium3 Days trial$9.991 Month
- Premium$9.991 Month
- Premium1 Month trial$14.991 Month
- Premium$34.991 Year
- Premium6 Months trial$74.991 Year
Applied ACT
- Living with Pain2 variants$79.99
- Sleep Reset$79.99
- Depression: Practical Skills$79.99
Show 6 moreShow fewer
- Anxiety: Practical Skills$79.99
- ACT for Anxiety: ON DEMAND$100.00
- ACT for Depression: ON DEMAND$100.00
- ACT in Action: ON DEMAND$100.00
- Focused ACT: Brief Interventions$129.00
- Trauma Focused ACT$300.00
Questions
Is Psychology Dictionary free?
Is Applied ACT free?
Do Psychology Dictionary or Applied ACT have ads?
Which is updated more often, Psychology Dictionary or Applied ACT?
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