# Calculator ∞ vs Desmos Test Mode

The clearest difference is review sentiment: Calculator ∞ at 75% against Desmos Test Mode's 17%. Calculator ∞ also leads on rating (4.7 vs 1.6) and ratings volume (6.3K vs 368). Desmos Test Mode's advantage is price (Free vs $5.99) and in-app purchases (none vs 4). On update cadence, ads and device support there is nothing between them.

Desmos Test Mode is free to download; Calculator ∞ costs $5.99 up front. Calculator ∞ sells 4 in-app purchases, starting at $3.49 per month. Desmos Test Mode asks for nothing beyond the download.

Calculator ∞ holds the better App Store score, 4.7 against 1.6. That said, the two scores are not equally well evidenced: Calculator ∞ has 6.3K ratings behind it against 368, so its average is the more settled of the two. Written reviews point the same way: 75% of Calculator ∞'s written reviews are positive against 17% of Desmos Test Mode's.

Calculator ∞ ships an update every 2 months, Desmos Test Mode every 4 months. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Calculator ∞ | Desmos Test Mode |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.7 (6.3K ratings)](https://appshunter.io/ios/app/calculator/id458535809/reviews)** | [1.6 (368 ratings)](https://appshunter.io/ios/app/desmos-test-mode/id977381005/reviews) |
| Number of ratings | **6.3K** | 368 |
| Positive reviews | **74.7% of reviews** | 16.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#157** | — |
| Size | 46 MB | 6 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [Desmos](https://appshunter.io/developer/653517543) |

## What reviewers say

### Calculator ∞

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

**Currently charting:** #157 Top Paid · Education (US App Store)

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 |


### Desmos Test Mode

[App page](https://appshunter.io/ios/app/desmos-test-mode/id977381005)

This app provides restricted versions of graphing and scientific calculators designed to meet exam requirements. It allows users to practice for specific state or national assessments by selecting the appropriate test mode. Full, unrestricted calculator features are available in separate applications.

**Highlights:** Exam-compliant calculator modes, Graphing capabilities, Scientific calculator functions, Data tables and statistics, Interactive sliders, Points of interest on graphs

**In-app purchases:** none

**What reviewers like**

- 🚀 Useful app for tests
- 🔒 Secure calculator mode
- 👍 Free alternative to expensive calculators

**What reviewers complain about**

- 🐛 Buggy and unstable
- 🔒 Overly restrictive app lock
- 👎 Poor user interface and usability

**Reported bugs**

- App crashes and freezes during use
- Unexpected phone behavior and lockouts
- Compatibility issues across different devices and OS versions

**Requested features**

- Add customization options for the calculator interface
- Improve compatibility with older devices
- Provide more flexible calculator modes during tests


## Frequently asked questions

### Is Calculator ∞ free?

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

### Is Desmos Test Mode free?

Desmos Test Mode is free to download, with no in-app purchases.

### Which has better reviews, Calculator ∞ or Desmos Test Mode?

Calculator ∞ is rated higher. Calculator ∞ averages 4.7 out of 5 from 6.3K ratings, while Desmos Test Mode averages 1.6 from 368 ratings.

### Do Calculator ∞ or Desmos Test Mode have ads?

Neither Calculator ∞ nor Desmos Test Mode shows ads.

### Which is updated more often, Calculator ∞ or Desmos Test Mode?

Calculator ∞ ships an update every 2 months, and Desmos Test Mode every 4 months. Most recently, Calculator ∞ was updated on September 24, 2026 and Desmos Test Mode on September 10, 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.*