# Graphing Calculator 84 vs Click One

The clearest difference is in-app purchases: Click One at none against Graphing Calculator 84's 4. Click One also leads on ads (none vs shown) and review sentiment (100% vs 84%). On price, update cadence and device support there is nothing between them.

Both are free to download. Graphing Calculator 84 sells 4 in-app purchases, starting at $1.99 per month. Click One asks for nothing beyond the download.

Graphing Calculator 84 ships an update every 2 months, Click One monthly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Graphing Calculator 84 | Click One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5.1K ratings)](https://appshunter.io/ios/app/graphing-calculator-84-calc84/id1509489130/reviews)** | — |
| Number of ratings | **5.1K** | — |
| Positive reviews | 83.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Freemium | **Free** |
| Size | 163 MB | 67 MB |
| Requires iOS | 15 | **10.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Tran Duy](https://appshunter.io/developer/1449106994) | [Music Therapy Australia Pty Ltd](https://appshunter.io/developer/1535361307) |

## What reviewers say

### Graphing Calculator 84

[App page](https://appshunter.io/ios/app/graphing-calculator-84-calc84/id1509489130)

This app offers a comprehensive graphing and scientific calculator experience, mimicking the functionality of a Ti-84. It includes advanced features for graphing, symbolic calculations, equation solving, and extensive statistical analysis. Users can upgrade for full access to all capabilities.

**Highlights:** Graphing calculator with function, polar, and parametric plots, Scientific calculator with computer algebra system, Equation solver for various equation types, Extensive 1-variable and 2-variable statistics, Inferential statistics and distribution functions, Interactive and manual tracing modes

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc84 One Month | $1.99 | per month |
| Calc84 One Year | $2.99 | per year |
| Graphing Calculator Plus | $5.99 | one-time |
| Calc84 Pro Lifetime | $5.99 | one-time |

**What reviewers like**

- 👍 Great calculator app
- 🚀 Powerful features
- 💰 Good value for money
- 📱 Convenient mobile version of TI-84
- 🎓 Helpful for math/stats courses

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 Lack of instructions/documentation
- 💸 Premium features require additional purchase
- 🔊 Interferes with music playback
- 📱 Small button sizes on mobile

**Reported bugs**

- Incorrect results for some exponent/root operations with negative numbers
- Inability to view full range of result formats for certain calculations

**Requested features**

- Ability to edit expressions in history
- More customization options for themes/icons
- Improved handling of complex number operations
- Better support for finding all function zeros


### Click One

[App page](https://appshunter.io/ios/app/click-one/id1558071555)

This app uses music and animations to teach cause and effect and encourage communication. It offers opportunities for choice-making and interaction with touch screen devices. Multiple user modes cater to different learning needs.

**Highlights:** Music clips and animations, Cause and effect learning, Communication promotion, Choice making opportunities, Touch screen interaction, Single, 2x, and 4x button modes

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

**In-app purchases:** none


## Frequently asked questions

### Is Graphing Calculator 84 free?

Graphing Calculator 84 is free to download, with in-app purchases available.

### Is Click One free?

Click One is free to download, with no in-app purchases.

### Do Graphing Calculator 84 or Click One have ads?

Graphing Calculator 84 shows ads; Click One does not.

### Which is updated more often, Graphing Calculator 84 or Click One?

Graphing Calculator 84 ships an update every 2 months, and Click One monthly. Most recently, Graphing Calculator 84 was updated on November 7, 2026 and Click One on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*