# Psychology Dictionary vs UniTalk

The clearest difference is in-app purchases: UniTalk at none against Psychology Dictionary's 8. UniTalk also leads on update cadence (every 5 days vs every 4 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Psychology Dictionary sells 8 in-app purchases, starting at $4.99 per 7 days. UniTalk asks for nothing beyond the download.

Psychology Dictionary ships an update every 4 weeks, UniTalk every 5 days. The most recent releases landed on October 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Psychology Dictionary | UniTalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (417 ratings)](https://appshunter.io/ios/app/psychology-dictionary/id1500147226/reviews)** | — |
| Number of ratings | **417** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 46 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nefarius Apps](https://appshunter.io/developer/1792473508) | [DANIEL HANY BANNA](https://appshunter.io/developer/1895153106) |

## What reviewers say

### Psychology Dictionary

[App page](https://appshunter.io/ios/app/psychology-dictionary/id1500147226)

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.

**Highlights:** Extensive database of 18,000+ terms, In-depth explanations, Bookmark and favorite terms, Pronunciation guide, Regularly updated content

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium | $4.99 | per 7 days |
| Premium weekly with discount | $9.99 | per 7 days |
| Premium | $9.99 | per month |
| Premium | $9.99 | per month |
| Premium | $14.99 | per month |
| Premium | $34.99 | per year |
| Premium | $74.99 | per year |

**What reviewers like**

- 📚 Comprehensive psychology terms
- 🤓 Useful for life and exams
- 👍 User-friendly interface
- 🌟 Great resource for students
- 💡 Detailed definitions

**What reviewers complain about**

- 💸 Expensive subscription
- 📺 Intrusive video ads
- 🙄 Ads interrupt typing
- ❌ Rate us function not working

**Reported bugs**

- 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**

- Add small or key examples for each word
- Add horizontal view support for iPad (now implemented)


### UniTalk

[App page](https://appshunter.io/ios/app/unitalk/id6763080433)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Psychology Dictionary free?

Psychology Dictionary is free to download, with in-app purchases available.

### Is UniTalk free?

UniTalk is free to download, with no in-app purchases.

### Do Psychology Dictionary or UniTalk have ads?

Neither Psychology Dictionary nor UniTalk shows ads.

### Which is updated more often, Psychology Dictionary or UniTalk?

Psychology Dictionary ships an update every 4 weeks, and UniTalk every 5 days. Most recently, Psychology Dictionary was updated on October 24, 2026 and UniTalk on September 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*