Function Calc vs Passwall Password Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Function Calc
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.
- Programmable custom functions
- Graphing capabilities
- Tape display with edit/undo
- Unit conversions (120+)
- Dictate calculations
- Export graphs (PDF, PNG)
Read full descriptionHide full description
A full-function, programmable, graphing scientific calculator designed to be very quick and easy to use, but with the added power of customisation. Tape display is visible while you type, and a swipe away from full screen view. Select and directly input any number from tape, undo or edit calculations. Easily create and use custom functions, store equations and useful numbers, use complex functions with multiple variables - fully programmable. Plot functions on a zoomable graph, export a high-resolution pdf copy. Dictate calculations and numbers for statistical analysis, with instant results. Completely free. • no adverts, no in-app purchases. • full set of scientific functions, unlimited nested brackets. • swipe to undo, step by step. • easily edit calculations and re-calculate. • optionally enter and edit calculations in standard maths format, rather than calculator order. • visible memory store. • tape output shows all calculations – swipe for full screen. • never type the same number twice – direct input from tape. • instantly convert between more than 120 different units. • zoomable text for easy reading and editing. • fully editable useful numbers page – store constants, conversion factors, commonly used numbers, tappable URLs or email addresses, or any text. • create, store and use functions for unit conversions or calculations, as simple as copy and paste. • dictate calculations, or lists of numbers for statistical analysis, get instant results. • create, edit and use complex functions with up to ten inputs or outputs – solve quadratic and cubic equations, calculate mortgage payments, compound interest, body mass index, triangles, the day of the week for any date, sunrise and sunset times and direction for any date and place, statistics (including normal, Student's T, Chi Square and F cumulative probability functions) and more – create or keep exactly what is useful, edit or delete what isn’t. 50 functions included. • fully zoomable graphing capability, plot one or two functions on a graph. Export PNG or high-resolution large pdf copies. • ideal for complex or repetitive tasks – custom functions reduce errors. • full help included.
Passwall Password Manager
Read full descriptionHide full description
Passwall: The Ultimate Secure Password Manager Welcome to Passwall, the ultimate mobile application for securely storing and managing all your passwords. With Passwall, you can say goodbye to the hassle of remembering multiple passwords and confidently access your online accounts with just a single master password. Our app takes your security seriously by utilizing advanced encryption methods to store and protect your valuable login credentials. Key Features: • Create Strong and Secure Passwords Tired of coming up with complex passwords? Let Passwall's built-in password generator do the work for you. With a single tap, you can create strong and secure passwords that help keep your accounts safe. • Securely Encrypted Vault All your usernames and passwords are stored in Passwall's encrypted vault. Our encryption helps protect your data against unauthorized access. Your information is accessible only with your master password. • Intuitive and User-Friendly Interface Passwall offers a clean, intuitive interface for managing your passwords. Organize accounts, search quickly, and enjoy a simple experience without compromising on security. • Effortless Autofill With Passwall's Autofill, logging in is easier. Go to a login page and Passwall can detect username and password fields. One tap fills in your credentials so you can sign in without typing. • Customizable Autofill Settings Configure Passwall to remember specific sites or apps and fill in credentials when you need them. Control your Autofill preferences to match how you use your devices. • Simplify Your Digital Life Spend less time remembering and typing passwords. With Autofill, streamline logins, save time, and focus on what matters. Download Passwall and manage your passwords with confidence. Join the users who trust Passwall to help protect their accounts. — Privacy Policy: https://passwall.io/privacy Terms of Use (EULA): https://passwall.io/terms
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Function Calc | Passwall Password Manager |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.6 | 13.4 — better |
| Further details — not scored | ||
| Size | 5 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Hugh Pelham | Passwall Ltd |
In-app purchases
Function Calc
No in-app purchases
Passwall Password Manager
- Passwall Pro Monthly$1.991 Month
- Passwall Pro7 Days trial$34.991 Year
Questions
Is Function Calc free?
Is Passwall Password Manager free?
Do Function Calc or Passwall Password Manager have ads?
Which is updated more often, Function Calc or Passwall Password Manager?
Other comparisons















