# Financial Calculator + vs Convex Programmer's Calculator

The clearest difference is price: Convex Programmer's Calculator at Free against Financial Calculator +'s $1.99. Convex Programmer's Calculator also leads on in-app purchases (none vs 2). Financial Calculator +'s advantage is update cadence (every 2 months vs every 8 months) and iOS requirement (7.0 vs 16.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

Convex Programmer's Calculator is free to download; Financial Calculator + costs $1.99 up front. Financial Calculator + sells 2 one-off in-app purchases. Convex Programmer's Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Financial Calculator + against 4.7 for Convex Programmer's Calculator. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews split almost evenly too, at 67% and 67% positive.

Financial Calculator + ships an update every 2 months, Convex Programmer's Calculator every 8 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Financial Calculator + | Convex Programmer's Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/financial-calculator-plus/id541141332/reviews)** | [4.7 (6 ratings)](https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602/reviews) |
| Number of ratings | **7** | 6 |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Paid | **Free** |
| Size | 58 MB | 0 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Panoramic Software Inc.](https://appshunter.io/developer/329216366) | [Matthew Daigle](https://appshunter.io/developer/1021414601) |

## What reviewers say

### Financial Calculator +

[App page](https://appshunter.io/ios/app/financial-calculator-plus/id541141332)

This app provides 10 powerful financial calculator worksheets to assist with complex financial decisions like mortgages, investments, and retirement planning. It offers multiple display and calculator modes, with the ability to email your calculations.

**Highlights:** 10 financial calculator worksheets, Mortgage calculator with amortization, Tip and loan calculators, Time Value of Money, Multiple display and calculator modes, Tape View for recent equations, Email worksheets

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Share and Save! | $5.99 | one-time |
| Full Version of Calc Pro | $6.99 | one-time |


### Convex Programmer's Calculator

[App page](https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602)

Convert numbers between hexadecimal, decimal, octal, and binary. Perform byte flips, bit shifts, and calculate two's complement. Features bit indicators and word grouping for improved binary readability.

**Highlights:** Number base conversion, Two's complement calculation, Byte flipping for endianness, Left and right bit shifting, Binary readability enhancements, Copy, paste, and clear functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Financial Calculator + free?

Financial Calculator + costs $1.99, and also offers in-app purchases.

### Is Convex Programmer's Calculator free?

Convex Programmer's Calculator is free to download, with no in-app purchases.

### Which has better reviews, Financial Calculator + or Convex Programmer's Calculator?

Financial Calculator + is rated higher. Financial Calculator + averages 4.7 out of 5 from 7 ratings, while Convex Programmer's Calculator averages 4.7 from 6 ratings.

### Do Financial Calculator + or Convex Programmer's Calculator have ads?

Neither Financial Calculator + nor Convex Programmer's Calculator shows ads.

### Which is updated more often, Financial Calculator + or Convex Programmer's Calculator?

Financial Calculator + ships an update every 2 months, and Convex Programmer's Calculator every 8 months. Most recently, Financial Calculator + was updated on October 26, 2026 and Convex Programmer's Calculator on October 24, 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.*