# Password Cube vs FunctionCalc

The clearest difference is review sentiment: FunctionCalc at 100% against Password Cube's 38%. FunctionCalc also leads on rating (5.0 vs 2.8) and in-app purchases (none vs 1). Password Cube's advantage is price (Free vs $0.99) and iOS requirement (16.6 vs 26.2). On ratings volume, ads and device support there is nothing between them.

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

FunctionCalc holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 12 and 13 respectively. Written reviews point the same way: 38% of Password Cube's written reviews are positive against 100% of FunctionCalc's.

Password Cube ships an update every 3 weeks, FunctionCalc every 8 days. The most recent releases landed on September 21, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Password Cube | FunctionCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [2.8 (12 ratings)](https://appshunter.io/ios/app/password-cube/id375593726/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/functioncalc/id1455028714/reviews)** |
| Number of ratings | 12 | **13** |
| Positive reviews | 38.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 7 MB | 2 MB |
| Requires iOS | **16.6** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [文睿 李](https://appshunter.io/developer/372593992) | [Lawler Innovations, Inc.](https://appshunter.io/developer/1455028713) |

## What reviewers say

### Password Cube

[App page](https://appshunter.io/ios/app/password-cube/id375593726)

Securely store, generate, and manage all your account logins in one organized place. Features a password vault, tag management, and a strong password generator. Enhanced security options include Face ID and Touch ID authentication.

**Highlights:** Password Vault, Tag Management, Password Generator, Backup & Restore, Face ID/Touch ID Authentication

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Password Cube Pro | $0.99 | one-time |


### FunctionCalc

[App page](https://appshunter.io/ios/app/functioncalc/id1455028714)

This all-in-one utility app helps veterans calculate VA disability benefits, track important dates, and perform everyday calculations. It includes a tip splitter, unit converter, and a powerful calculator with saved formulas.

**Highlights:** VA disability benefit calculator, Date countdown and elapsed time tracker, Tip calculator and bill splitting, Unit and currency converter, Time math and custom formulas, Full calculation history

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

**In-app purchases:** none


## Frequently asked questions

### Is Password Cube free?

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

### Is FunctionCalc free?

FunctionCalc costs $0.99, with no in-app purchases.

### Which has better reviews, Password Cube or FunctionCalc?

FunctionCalc is rated higher. Password Cube averages 2.8 out of 5 from 12 ratings, while FunctionCalc averages 5.0 from 13 ratings.

### Do Password Cube or FunctionCalc have ads?

Neither Password Cube nor FunctionCalc shows ads.

### Which is updated more often, Password Cube or FunctionCalc?

Password Cube ships an update every 3 weeks, and FunctionCalc every 8 days. Most recently, Password Cube was updated on September 21, 2026 and FunctionCalc on June 5, 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.*