# Fibonacci Retracement/Extension Calculator vs Probability Calculator Plus

The clearest difference is rating: Probability Calculator Plus at 3.7 against Fibonacci Retracement/Extension Calculator's 3.3. Fibonacci Retracement/Extension Calculator's advantage is price ($1.99 vs $2.99) and iOS requirement (7.0 vs 17.6). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Fibonacci Retracement/Extension Calculator costs $1.99 and Probability Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Probability Calculator Plus holds the better App Store score, 3.7 against 3.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively.

## The numbers

| Metric | Fibonacci Retracement/Extension Calculator | Probability Calculator Plus |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | [3.3 (8 ratings)](https://appshunter.io/ios/app/fibonacci-retracementextension-calculator/id773677356/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/probability-calculator-plus/id1625628315/reviews)** |
| Number of ratings | **8** | 3 |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 23 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | **7.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Leo Tso](https://appshunter.io/developer/688348874) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Fibonacci Retracement/Extension Calculator

[App page](https://appshunter.io/ios/app/fibonacci-retracementextension-calculator/id773677356)

This tool helps calculate Fibonacci retracement and extension levels for market prices. It assists in anticipating price movements and planning future trades based on these calculations.

**Highlights:** Calculate Fibonacci retracement levels, Calculate Fibonacci extension levels, Anticipate market price moves, Plan future trades, Simple and useful tool

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

**In-app purchases:** none


### Probability Calculator Plus

[App page](https://appshunter.io/ios/app/probability-calculator-plus/id1625628315)

Master probability and statistics with instant, step-by-step solutions for various calculations and distributions. Includes a random experiment simulator and a comprehensive reference guide.

**Highlights:** Basic and conditional probability calculations, Venn diagram calculator with visual representation, Statistical distributions (Binomial, Normal, Poisson), Random experiment simulator (dice, coins, cards), Step-by-step solutions for all calculations, Calculation history and reference guide

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

**In-app purchases:** none


## Frequently asked questions

### Is Fibonacci Retracement/Extension Calculator free?

Fibonacci Retracement/Extension Calculator costs $1.99, with no in-app purchases.

### Is Probability Calculator Plus free?

Probability Calculator Plus costs $2.99, with no in-app purchases.

### Which has better reviews, Fibonacci Retracement/Extension Calculator or Probability Calculator Plus?

Probability Calculator Plus is rated higher. Fibonacci Retracement/Extension Calculator averages 3.3 out of 5 from 8 ratings, while Probability Calculator Plus averages 3.7 from 3 ratings.

### Do Fibonacci Retracement/Extension Calculator or Probability Calculator Plus have ads?

Neither Fibonacci Retracement/Extension Calculator nor Probability Calculator Plus shows ads.

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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.*