# Desmos Test Mode vs Perry

The clearest difference is in-app purchases: Desmos Test Mode at none against Perry's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Perry sells 1 one-off in-app purchase. Desmos Test Mode asks for nothing beyond the download.

## The numbers

| Metric | Desmos Test Mode | Perry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (370 ratings)](https://appshunter.io/ios/app/desmos-test-mode/id977381005/reviews)** | — |
| Number of ratings | **370** | — |
| Positive reviews | 16.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 6 MB | 71 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Desmos](https://appshunter.io/developer/653517543) | [Osama CHAUDHRY](https://appshunter.io/developer/1030358805) |

## 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


### Perry

[App page](https://appshunter.io/ios/app/perry-ap-coach/id6764614405)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $9.99 | one-time |


## Frequently asked questions

### Is Desmos Test Mode free?

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

### Is Perry free?

Perry is free to download, with in-app purchases available.

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

Neither Desmos Test Mode nor Perry 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.*