# Word Vault vs Quantum Storm

The clearest difference is price: Word Vault at Free against Quantum Storm's $3.99. Word Vault also leads on update cadence (every 3 days vs every 41 months). Quantum Storm's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.2). On ads and in-app purchases there is nothing between them.

Word Vault is free to download; Quantum Storm costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Word Vault ships an update every 3 days, Quantum Storm every 41 months. The most recent releases landed on December 4, 2025 and May 17, 2026 respectively.

## The numbers

| Metric | Word Vault | Quantum Storm |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 41 months |
| Size | 19 MB | 53 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Daniel Payne](https://appshunter.io/developer/1535693722) | [MobileFabric S.A.](https://appshunter.io/developer/1535508176) |

## What reviewers say

### Word Vault

[App page](https://appshunter.io/ios/app/word-vault/id1561898494)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum Storm

[App page](https://appshunter.io/ios/app/quantum-storm/id1659198713)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Word Vault free?

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

### Is Quantum Storm free?

Quantum Storm costs $3.99, with no in-app purchases.

### Do Word Vault or Quantum Storm have ads?

Neither Word Vault nor Quantum Storm shows ads.

### Which is updated more often, Word Vault or Quantum Storm?

Word Vault ships an update every 3 days, and Quantum Storm every 41 months. Most recently, Word Vault was updated on December 4, 2025 and Quantum Storm on May 17, 2026.

---

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