# Calculator ∞ vs TI

The clearest difference is price: Calculator ∞ at $5.99 against TI's $29.99. Calculator ∞ also leads on ratings volume (6.4K vs 406) and update cadence (every 2 months vs every 6 months). TI's advantage is in-app purchases (none vs 4). On rating and ads there is nothing between them.

Calculator ∞ costs $5.99 and TI $29.99 up front. Calculator ∞ sells 4 in-app purchases, starting at $3.49 per month. TI asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Calculator ∞ against 4.6 for TI. That said, the two scores are not equally well evidenced: Calculator ∞ has 6.4K ratings behind it against 406, so its average is the more settled of the two. Written reviews are what separate them: 75% of Calculator ∞'s written reviews are positive against 65% of TI's.

Calculator ∞ ships an update every 2 months, TI every 6 months. The most recent releases landed on October 30, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Calculator ∞ | TI |
| --- | --- | --- |
| Price | **$5.99** | $29.99 |
| Rating | **[4.7 (6.4K ratings)](https://appshunter.io/ios/app/calculator/id458535809/reviews)** | [4.6 (406 ratings)](https://appshunter.io/ios/app/ti-nspire-cas/id545351700/reviews) |
| Number of ratings | **6.4K** | 406 |
| Positive reviews | **74.8% of reviews** | 65.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 46 MB | 79 MB |
| Requires iOS | **12.1** | 26.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [Texas Instruments](https://appshunter.io/developer/329739753) |

## What reviewers say

### Calculator ∞

[App page](https://appshunter.io/ios/app/calculator/id458535809)

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

**Highlights:** Step-by-step solution hints, Math Photos Solver, Handwriting Recognition, AI Math Problem Solver, 2D Graphing, Unit Converter, Matrix/Vector Mode

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited OCR/Writing 1 Month | $3.49 | per month |
| Unlimited OCR/Writing 3 Months | $8.99 | per 3 months |
| 400 AI Recognition & Queries | $0.99 | one-time |
| 900 AI Recognition & Queries | $1.99 | one-time |


### TI

[App page](https://appshunter.io/ios/app/ti-nspire-cas/id545351700)

This powerful math app offers a comprehensive Computer Algebra System (CAS) for graphing, data analysis, and equation solving. Visualize mathematical concepts by overlaying graphs on images and interactively exploring how equations change in real-time. Access hundreds of free learning activities for various math levels.

**Highlights:** Computer Algebra System (CAS), Comprehensive graphing capabilities, Data entry and analysis, Equation solving with algebraic precision, Image import for real-world visualization, Interactive equation manipulation, Access to free learning activities

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful CAS functionality
- 👍 Intuitive interface
- 💡 Ability to use on iPad instead of physical calculator
- 👍 Seamless integration with TI-Nspire ecosystem
- 🚀 Excellent graphing capabilities

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- 👎 Unintuitive navigation and menus
- 👎 Lack of support for newer iPad models and features
- 👎 Expensive for an app
- 👎 Difficult to use for those unfamiliar with TI-Nspire

**Reported bugs**

- Crashes when opening documents
- Scrolling issues and unresponsive UI
- Incompatibility with latest iOS versions
- Keyboard disappearing during use

**Requested features**

- Split-screen/multi-window support
- Improved 3D graphing functionality
- Customizable keyboard layout
- Better integration with cloud storage services
- Ability to export content in LaTeX format


## Frequently asked questions

### Is Calculator ∞ free?

Calculator ∞ costs $5.99, and also offers in-app purchases.

### Is TI free?

TI costs $29.99, with no in-app purchases.

### Which has better reviews, Calculator ∞ or TI?

Calculator ∞ is rated higher. Calculator ∞ averages 4.7 out of 5 from 6.4K ratings, while TI averages 4.6 from 406 ratings.

### Do Calculator ∞ or TI have ads?

Neither Calculator ∞ nor TI shows ads.

### Which is updated more often, Calculator ∞ or TI?

Calculator ∞ ships an update every 2 months, and TI every 6 months. Most recently, Calculator ∞ was updated on October 30, 2026 and TI on October 21, 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.*