# Desmos Test Mode vs WolfKey

The clearest difference is update cadence: WolfKey at monthly against Desmos Test Mode's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Desmos Test Mode ships an update every 4 months, WolfKey monthly. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Desmos Test Mode | WolfKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (368 ratings)](https://appshunter.io/ios/app/desmos-test-mode/id977381005/reviews)** | — |
| Number of ratings | **368** | — |
| Positive reviews | 16.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | — |
| Size | 6 MB | 38 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Desmos](https://appshunter.io/developer/653517543) | [Kevin Chung](https://appshunter.io/developer/1837310210) |

## What reviewers say

### 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


### WolfKey

[App page](https://appshunter.io/ios/app/wolfkey/id6751865501)

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

**In-app purchases:** none


## Frequently asked questions

### Is Desmos Test Mode free?

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

### Is WolfKey free?

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

### Do Desmos Test Mode or WolfKey have ads?

Neither Desmos Test Mode nor WolfKey shows ads.

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

Desmos Test Mode ships an update every 4 months, and WolfKey monthly. Most recently, Desmos Test Mode was updated on September 10, 2026 and WolfKey on September 7, 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.*