# OneCrypt vs 第二相册

The clearest difference is in-app purchases: 第二相册 at none against OneCrypt's 3. 第二相册 also leads on ads (none vs shown). OneCrypt's advantage is update cadence (every 9 days vs every 6 months) and iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. OneCrypt sells 3 in-app purchases, starting at $0.99 per year. 第二相册 asks for nothing beyond the download.

OneCrypt ships an update every 9 days, 第二相册 every 6 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OneCrypt | 第二相册 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 6 months |
| Size | 31 MB | 89 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [国材 苏](https://appshunter.io/developer/1227214050) | [君 马](https://appshunter.io/developer/1879789853) |

## What reviewers say

### OneCrypt

[App page](https://appshunter.io/ios/app/onecrypt-encrypt-files/id6459055606)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Pro | $0.99 | per year |
| Monthly Pro | $0.99 | per month |
| Lifetime Pro | $2.99 | one-time |


### 第二相册

[App page](https://appshunter.io/ios/app/id6759664558)

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

**In-app purchases:** none


## Frequently asked questions

### Is OneCrypt free?

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

### Is 第二相册 free?

第二相册 is free to download, with no in-app purchases.

### Do OneCrypt or 第二相册 have ads?

OneCrypt shows ads; 第二相册 does not.

### Which is updated more often, OneCrypt or 第二相册?

OneCrypt ships an update every 9 days, and 第二相册 every 6 months. Most recently, OneCrypt was updated on November 3, 2026 and 第二相册 on October 28, 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.*