# 10BII Calc HD vs 100 Contas

The clearest difference is price: 100 Contas at Free against 10BII Calc HD's $8.99. 100 Contas also leads on update cadence (every 5 weeks vs every 5 months). 10BII Calc HD's advantage is ratings volume (3.8K vs 1) and chart position (#17 vs unranked). On rating, ads, in-app purchases and device support there is nothing between them.

100 Contas is free to download; 10BII Calc HD costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for 10BII Calc HD against 5.0 for 100 Contas. That said, the two scores are not equally well evidenced: 10BII Calc HD has 3.8K ratings behind it against 1, so its average is the more settled of the two.

10BII Calc HD ships an update every 5 months, 100 Contas every 5 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 10BII Calc HD | 100 Contas |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | [4.9 (3.8K ratings)](https://appshunter.io/ios/app/10bii-calc-hd/id382452060/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/100-contas/id6761510905/reviews)** |
| Number of ratings | **3.8K** | 1 |
| Positive reviews | 98.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#17** | — |
| Size | 4 MB | 52 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ernest Brock](https://appshunter.io/developer/289555912) | [Payton Rodgerson](https://appshunter.io/developer/1890071712) |

## What reviewers say

### 10BII Calc HD

[App page](https://appshunter.io/ios/app/10bii-calc-hd/id382452060)

**Currently charting:** #17 Top Paid · Finance (US App Store)

This advanced calculator offers over 100 functions for business, finance, math, and statistics. It simplifies complex calculations like loans, cash flows, and depreciation with an intuitive interface and specialized worksheets. Includes interactive graphs and an audit tape for tracking all computations.

**Highlights:** Over 100 business, finance, math, and statistics functions, Time Value of Money calculations with TVM solver, Cash flow analysis with dedicated editor, Statistical analysis and forecasting, Currency and unit conversions, Interactive graphs and audit tape

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Outstanding app
- 🚀 Great product
- 🚀 Great financial calculator
- 🚀 iPad keyboard support
- 🚀 Best financial calculator app

**What reviewers complain about**

- 🐛 Doesn't retain my stored values in the registers once the app is closed on my IPhone Pro

**Reported bugs**

- Loan payment calculation issue after update

**Requested features**

- RPN mode
- Canadian mortgage support


### 100 Contas

[App page](https://appshunter.io/ios/app/100-contas/id6761510905)

A financial management platform designed for businesses to improve efficiency and control. It automates repetitive tasks, centralizes financial data, and provides real-time insights for smarter decision-making, allowing businesses to focus on growth.

**Highlights:** Financial management for businesses, Automates repetitive tasks, Centralizes financial information, Provides real-time insights, Supports business growth

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 10BII Calc HD free?

10BII Calc HD costs $8.99, with no in-app purchases.

### Is 100 Contas free?

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

### Which has better reviews, 10BII Calc HD or 100 Contas?

100 Contas is rated higher. 10BII Calc HD averages 4.9 out of 5 from 3.8K ratings, while 100 Contas averages 5.0 from 1 ratings.

### Do 10BII Calc HD or 100 Contas have ads?

Neither 10BII Calc HD nor 100 Contas shows ads.

### Which is updated more often, 10BII Calc HD or 100 Contas?

10BII Calc HD ships an update every 5 months, and 100 Contas every 5 weeks. Most recently, 10BII Calc HD was updated on November 6, 2026 and 100 Contas on October 31, 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.*
