# Crypto String vs ChipVault

The clearest difference is price: ChipVault at Free against Crypto String's $0.99. ChipVault also leads on update cadence (weekly vs every 4 months). Crypto String's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

ChipVault is free to download; Crypto String costs $0.99 up front. ChipVault sells 1 one-off in-app purchase. Crypto String asks for nothing beyond the download.

Crypto String ships an update every 4 months, ChipVault weekly. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Crypto String | ChipVault |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chipvault/id6772799276/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Xu Wang](https://appshunter.io/developer/1216698112) | [N0AGI LLC](https://appshunter.io/developer/1895395504) |

## What reviewers say

### Crypto String

[App page](https://appshunter.io/ios/app/crypto-string-aes-encrypt/id6754283595)

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

**In-app purchases:** none


### ChipVault

[App page](https://appshunter.io/ios/app/chipvault/id6772799276)

This app transforms NFC cards into secure, encrypted personal data vaults. Store passwords, recovery phrases, and more, all protected by your master password and AES-128 encryption directly on the chip. Your data remains offline, with no cloud or server reliance.

**Highlights:** Personalize DESFire EV2/EV3 cards, AES-128 encrypted data storage, Store passwords, notes, recovery phrases, Edit card details and categories, Clone cards for backup, Visual storage usage, Reset cards to factory state

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChipVault Full Access | $6.99 | one-time |


## Frequently asked questions

### Is Crypto String free?

Crypto String costs $0.99, with no in-app purchases.

### Is ChipVault free?

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

### Do Crypto String or ChipVault have ads?

Neither Crypto String nor ChipVault shows ads.

### Which is updated more often, Crypto String or ChipVault?

Crypto String ships an update every 4 months, and ChipVault weekly. Most recently, Crypto String was updated on September 19, 2026 and ChipVault on September 8, 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.*