# Strongbox Zero vs INTERSOFT

The clearest difference is price: INTERSOFT at Free against Strongbox Zero's $99.99. Strongbox Zero's advantage is device support (5 vs 2). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

INTERSOFT is free to download; Strongbox Zero costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Strongbox Zero | INTERSOFT |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | **[4.3 (21 ratings)](https://appshunter.io/ios/app/strongbox-zero/id1581589638/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Paid | — |
| Size | 96 MB | 343 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Phoebe Code Limited](https://appshunter.io/developer/897283734) | [Intersoft Systems](https://appshunter.io/developer/1707671755) |

## What reviewers say

### Strongbox Zero

[App page](https://appshunter.io/ios/app/strongbox-zero/id1581589638)

This app securely stores and protects your passwords with a master password. It supports open-source formats and offers advanced security features like biometric unlock and hardware token protection. It's designed for users who prefer a local-only password management solution.

**Highlights:** Local-only password storage, Biometric and PIN unlock, YubiKey hardware token protection, Military-grade cryptography, Password auditing for weak passwords, Secure document attachment viewer, Import/Export via Files app and Email

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### INTERSOFT

[App page](https://appshunter.io/ios/app/intersoft/id6741684662)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Strongbox Zero free?

Strongbox Zero costs $99.99, with no in-app purchases.

### Is INTERSOFT free?

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

### Do Strongbox Zero or INTERSOFT have ads?

Neither Strongbox Zero nor INTERSOFT shows ads.

### Which is updated more often, Strongbox Zero or INTERSOFT?

Strongbox Zero ships an update every 2 weeks, and INTERSOFT every 2 weeks. Most recently, Strongbox Zero was updated on September 22, 2026 and INTERSOFT on September 9, 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.*