# Deep Dictionary vs Rizzference

The clearest difference is in-app purchases: Deep Dictionary at none against Rizzference's 1. Deep Dictionary also leads on update cadence (every 5 days vs every 3 months) and ratings volume (51 vs 1). Rizzference's advantage is ads (none vs shown) and rating (5.0 vs 4.7). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Rizzference sells 1 one-off in-app purchase. Deep Dictionary asks for nothing beyond the download.

Rizzference holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Deep Dictionary has 51 ratings behind it against 1, so its average is the more settled of the two.

Deep Dictionary ships an update every 5 days, Rizzference every 3 months. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Deep Dictionary | Rizzference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (51 ratings)](https://appshunter.io/ios/app/deep-dictionary/id6451319239/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rizzference/id6474303013/reviews)** |
| Number of ratings | **51** | 1 |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 13 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [DEEPCO](https://appshunter.io/developer/1697523614) | [David Bures](https://appshunter.io/developer/1649236052) |

## What reviewers say

### Deep Dictionary

[App page](https://appshunter.io/ios/app/deep-dictionary/id6451319239)

Access definitions from various sources like Wikipedia and Urban Dictionary, with multilingual support and pronunciation guides. Enhance your vocabulary with synonyms, related words, and real-life usage examples.

**Highlights:** Multilingual definitions, Urban Dictionary slang integration, Wikipedia content access, Pronunciation guides and usage examples, Comprehensive thesaurus, Images and contextual phrases

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

**In-app purchases:** none


### Rizzference

[App page](https://appshunter.io/ios/app/rizzference/id6474303013)

Understand modern slang and internet lingo with a comprehensive and up-to-date dictionary. Define entire sentences, discover new words daily, and customize your experience to stay current with online and real-life communication.

**Highlights:** Comprehensive slang dictionary, Up-to-date definitions, Define whole sentences, Learn new words daily, Customizable experience

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Definitions | $3.99 | one-time |


## Frequently asked questions

### Is Deep Dictionary free?

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

### Is Rizzference free?

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

### Which has better reviews, Deep Dictionary or Rizzference?

Rizzference is rated higher. Deep Dictionary averages 4.7 out of 5 from 51 ratings, while Rizzference averages 5.0 from 1 ratings.

### Do Deep Dictionary or Rizzference have ads?

Deep Dictionary shows ads; Rizzference does not.

### Which is updated more often, Deep Dictionary or Rizzference?

Deep Dictionary ships an update every 5 days, and Rizzference every 3 months. Most recently, Deep Dictionary was updated on September 27, 2026 and Rizzference on September 23, 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.*