# DBLock vs Nulo

The clearest difference is rating: DBLock at 5.0 against Nulo's 3.4. DBLock also leads on iOS requirement (13.0 vs 15.6). Nulo's advantage is update cadence (every 3 weeks vs every 27 months) and ratings volume (18 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. DBLock sells 1 one-off in-app purchase and Nulo sells 12 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DBLock holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Nulo has 18 ratings behind it against 1, so its average is the more settled of the two.

DBLock ships an update every 27 months, Nulo every 3 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DBLock | Nulo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dblock/id1357618732/reviews)** | [3.4 (18 ratings)](https://appshunter.io/ios/app/nulo/id6737268151/reviews) |
| Number of ratings | 1 | **18** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 22 MB | 132 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +17 | 12+ |
| Developer | [Dilium](https://appshunter.io/developer/1270531532) | [326 LAB - FZCO](https://appshunter.io/developer/1772075789) |

## What reviewers say

### DBLock

[App page](https://appshunter.io/ios/app/dblock/id1357618732)

Securely store and manage all your private digital documents, including images, videos, and notes. This app uses advanced encryption and biometric authentication to protect your sensitive information from unauthorized access.

**Highlights:** Biometric access (Touch ID/Face ID), 256-bit AES encryption, Secure storage for images, videos, and notes, Create, import, edit, and delete files, No cloud data storage by the app, Encrypted backup assistance

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $17.99 | one-time |


### Nulo

[App page](https://appshunter.io/ios/app/nulo/id6737268151)

Effortlessly scan, identify, and value your sports cards. This app helps you organize your collection, track your scans, and discover estimated card prices from various marketplaces. Build and manage your digital sports card collection with ease.

**Highlights:** Scan sports cards with AI, Identify card details quickly, Check estimated card values, Save scan history, Organize cards into collections, Digital collection management

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Weekly | $3.99 | per 7 days |
| PRO Weekly | $3.99 | per 7 days |
| PRO Weekly | $4.99 | per 7 days |
| PRO Weekly | $4.99 | per 7 days |
| PRO Weekly | $7.99 | per 7 days |
| PRO Weekly + trial | $7.99 | per 7 days |
| PRO Yearly | $29.99 | per year |
| PRO Yearly | $29.99 | per year |
| PRO Yearly | $39.99 | per year |
| PRO Yearly | $39.99 | per year |
| PRO Yearly | $49.99 | per year |
| PRO Yearly | $49.99 | per year |


## Frequently asked questions

### Is DBLock free?

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

### Is Nulo free?

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

### Which has better reviews, DBLock or Nulo?

DBLock is rated higher. DBLock averages 5.0 out of 5 from 1 ratings, while Nulo averages 3.4 from 18 ratings.

### Do DBLock or Nulo have ads?

Neither DBLock nor Nulo shows ads.

### Which is updated more often, DBLock or Nulo?

DBLock ships an update every 27 months, and Nulo every 3 weeks. Most recently, DBLock was updated on October 6, 2026 and Nulo 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.*