# ucisa vs Word Vault

The clearest difference is in-app purchases: ucisa at none against Word Vault's 2. ucisa also leads on iOS requirement (13.0 vs 17.6). Word Vault's advantage is update cadence (every 2 months vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Word Vault sells 2 in-app purchases, starting at $2.99 per month. ucisa asks for nothing beyond the download.

ucisa ships an update every 6 months, Word Vault every 2 months. The most recent releases landed on September 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ucisa | Word Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/word-vault-dictionary-and-learn/id6745018836/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 58 MB | 210 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [Ex Libris LTD](https://appshunter.io/developer/1095433456) | [Keren Afriyie](https://appshunter.io/developer/1810435580) |

## What reviewers say

### ucisa

[App page](https://appshunter.io/ios/app/ucisa/id355740682)

**In-app purchases:** none


### Word Vault

[App page](https://appshunter.io/ios/app/word-vault-dictionary-and-learn/id6745018836)

This app helps you remember new words by allowing you to look them up, save them to a personal vault, and practice them through spaced repetition. It provides definitions, tracks your vocabulary progress, and offers a clean interface for enhanced learning.

**Highlights:** Instant word lookup, Save words to personal vault, Spaced repetition practice, Comprehensive dictionary, Vocabulary analytics, Sleek, minimal design

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $2.99 | per month |
| Pro Yearly Subscription | $19.99 | per year |


## Frequently asked questions

### Is ucisa free?

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

### Is Word Vault free?

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

### Do ucisa or Word Vault have ads?

Neither ucisa nor Word Vault shows ads.

### Which is updated more often, ucisa or Word Vault?

ucisa ships an update every 6 months, and Word Vault every 2 months. Most recently, ucisa was updated on September 10, 2026 and Word Vault on October 24, 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.*