# SealCrypt vs Ustar Pro

The clearest difference is update cadence: Ustar Pro at fortnightly against SealCrypt's every 8 months. SealCrypt's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SealCrypt ships an update every 8 months, Ustar Pro fortnightly. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SealCrypt | Ustar Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Size | 12 MB | 26 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Advanced Track And Trace](https://appshunter.io/developer/1483061299) | [杭州宇泛智能科技有限公司](https://appshunter.io/developer/1156327327) |

## What reviewers say

### SealCrypt

[App page](https://appshunter.io/ios/app/sealcrypt/id1670851777)

**In-app purchases:** none


### Ustar Pro

[App page](https://appshunter.io/ios/app/ustar-pro/id6757177965)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SealCrypt free?

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

### Is Ustar Pro free?

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

### Do SealCrypt or Ustar Pro have ads?

Neither SealCrypt nor Ustar Pro shows ads.

### Which is updated more often, SealCrypt or Ustar Pro?

SealCrypt ships an update every 8 months, and Ustar Pro fortnightly. Most recently, SealCrypt was updated on September 22, 2026 and Ustar Pro on September 14, 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.*