# SPARKvue 4 vs Desmos Test Mode

The clearest difference is review sentiment: SPARKvue 4 at 46% against Desmos Test Mode's 16%. SPARKvue 4 also leads on rating (1.9 vs 1.6) and iOS requirement (13.0 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

SPARKvue 4 holds the better App Store score, 1.9 against 1.6. Both are backed by a comparable volume of ratings — 630 and 370 respectively. Written reviews point the same way: 46% of SPARKvue 4's written reviews are positive against 16% of Desmos Test Mode's.

SPARKvue 4 ships an update every 2 months, Desmos Test Mode every 4 months. The most recent releases landed on November 10, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | SPARKvue 4 | Desmos Test Mode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (630 ratings)](https://appshunter.io/ios/app/sparkvue-4/id361907181/reviews)** | [1.6 (370 ratings)](https://appshunter.io/ios/app/desmos-test-mode/id977381005/reviews) |
| Number of ratings | **630** | 370 |
| Positive reviews | **45.5% of reviews** | 16.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 91 MB | 6 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PASCO scientific](https://appshunter.io/developer/361907184) | [Desmos](https://appshunter.io/developer/653517543) |

## What reviewers say

### SPARKvue 4

[App page](https://appshunter.io/ios/app/sparkvue-4/id361907181)

Collect, visualize, and analyze real-time sensor data for STEM education. Wirelessly connect sensors, capture images for analysis, and build custom displays. Share live data and create electronic lab journals for collaborative learning.

**Highlights:** Live sensor data collection, Wireless Bluetooth sensor connection, Multiple data display options, Built-in statistical analysis tools, Interactive lab activities, Electronic student lab journals, Live data sharing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Saved my life
- 🚀 Cured my cancer
- 🚀 Helped me get a girlfriend
- 🚀 Gave me superpowers
- 🚀 Transported me to Syria

**What reviewers complain about**

- 🐛 Crashed my computer
- 🐛 Killed my family
- 🐛 Gave me testicular cancer
- 🐛 Asked for my location
- 🐛 Turned me into a communist

**Reported bugs**

- Caused spontaneous combustion
- Erased all my data
- Triggered a nuclear meltdown
- Turned my dog into a salad bowl
- Gave me a permanent wedgie

**Requested features**

- Add free Fortnite V-Bucks
- Integrate with Tinder
- Allow users to summon demons
- Provide a self-destruct button
- Add support for teleportation


### 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 SPARKvue 4 free?

SPARKvue 4 is free to download, with no in-app purchases.

### Is Desmos Test Mode free?

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

### Which has better reviews, SPARKvue 4 or Desmos Test Mode?

SPARKvue 4 is rated higher. SPARKvue 4 averages 1.9 out of 5 from 630 ratings, while Desmos Test Mode averages 1.6 from 370 ratings.

### Do SPARKvue 4 or Desmos Test Mode have ads?

Neither SPARKvue 4 nor Desmos Test Mode shows ads.

### Which is updated more often, SPARKvue 4 or Desmos Test Mode?

SPARKvue 4 ships an update every 2 months, and Desmos Test Mode every 4 months. Most recently, SPARKvue 4 was updated on November 10, 2026 and Desmos Test Mode on November 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*