# Desmos Test Mode vs BU READY

Desmos Test Mode and BU READY are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, BU READY every 7 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Desmos Test Mode | BU READY |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | — |
| Size | 6 MB | 30 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Desmos](https://appshunter.io/developer/653517543) | [Brandon University](https://appshunter.io/developer/1227872410) |

## 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


### BU READY

[App page](https://appshunter.io/ios/app/bu-ready/id6749778279)

**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 BU READY free?

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

### Do Desmos Test Mode or BU READY have ads?

Neither Desmos Test Mode nor BU READY shows ads.

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

Desmos Test Mode ships an update every 4 months, and BU READY every 7 months. Most recently, Desmos Test Mode was updated on November 1, 2026 and BU READY on October 25, 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.*