# Function Calc vs Passwall Password Manager

The clearest difference is in-app purchases: Function Calc at none against Passwall Password Manager's 2. Function Calc also leads on ads (none vs shown). Passwall Password Manager's advantage is iOS requirement (13.4 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Passwall Password Manager sells 2 in-app purchases, starting at $1.99 per month. Function Calc asks for nothing beyond the download.

Function Calc ships an update monthly, Passwall Password Manager every 5 weeks. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Function Calc | Passwall Password Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/function-calc/id1188227053/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 5 MB | 41 MB |
| Requires iOS | 18.6 | **13.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hugh Pelham](https://appshunter.io/developer/1188227052) | [Passwall Ltd](https://appshunter.io/developer/1872940042) |

## What reviewers say

### Function Calc

[App page](https://appshunter.io/ios/app/function-calc/id1188227053)

This app offers a powerful, programmable scientific calculator with graphing capabilities. It allows users to create custom functions, store equations, and perform complex calculations with ease. The interface features a visible tape display and supports dictation for statistical analysis.

**Highlights:** Programmable custom functions, Graphing capabilities, Tape display with edit/undo, Unit conversions (120+), Dictate calculations, Export graphs (PDF, PNG)

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

**In-app purchases:** none


### Passwall Password Manager

[App page](https://appshunter.io/ios/app/passwall-password-manager/id6449534239)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Passwall Pro Monthly | $1.99 | per month |
| Passwall Pro | $34.99 | per year |


## Frequently asked questions

### Is Function Calc free?

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

### Is Passwall Password Manager free?

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

### Do Function Calc or Passwall Password Manager have ads?

Passwall Password Manager shows ads; Function Calc does not.

### Which is updated more often, Function Calc or Passwall Password Manager?

Function Calc ships an update monthly, and Passwall Password Manager every 5 weeks. Most recently, Function Calc was updated on September 23, 2026 and Passwall Password Manager on September 15, 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.*