# SPARKvue 4 vs Mastering Spectroscopy

The clearest difference is rating: Mastering Spectroscopy at 3.3 against SPARKvue 4's 1.9. SPARKvue 4's advantage is in-app purchases (none vs 2) and ratings volume (629 vs 6). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Mastering Spectroscopy sells 1 one-off in-app purchase. SPARKvue 4 asks for nothing beyond the download.

Mastering Spectroscopy holds the better App Store score, 3.3 against 1.9. That said, the two scores are not equally well evidenced: SPARKvue 4 has 629 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 46% of SPARKvue 4's written reviews are positive against 40% of Mastering Spectroscopy's, so the app with the better star average is not the one people write more warmly about.

SPARKvue 4 ships an update every 2 months, Mastering Spectroscopy every 4 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SPARKvue 4 | Mastering Spectroscopy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (629 ratings)](https://appshunter.io/ios/app/sparkvue-4/id361907181/reviews) | **[3.3 (6 ratings)](https://appshunter.io/ios/app/mastering-spectroscopy/id1196400309/reviews)** |
| Number of ratings | **629** | 6 |
| Positive reviews | **45.8% of reviews** | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 91 MB | 20 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PASCO scientific](https://appshunter.io/developer/361907184) | [Onlea Enterprises Inc.](https://appshunter.io/developer/995311636) |

## 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


### Mastering Spectroscopy

[App page](https://appshunter.io/ios/app/mastering-spectroscopy/id1196400309)

Practice organic chemistry by analyzing IR, NMR, and mass spectrum data. Identify functional groups and proton types in graphs to build organic compounds.

**Highlights:** Analyze IR, NMR, and mass spectrum data, Identify functional groups, Identify proton types, Build organic compounds, Practice organic chemistry

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| access to all samples | $1.99 | one-time |


## Frequently asked questions

### Is SPARKvue 4 free?

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

### Is Mastering Spectroscopy free?

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

### Which has better reviews, SPARKvue 4 or Mastering Spectroscopy?

Mastering Spectroscopy is rated higher. SPARKvue 4 averages 1.9 out of 5 from 629 ratings, while Mastering Spectroscopy averages 3.3 from 6 ratings.

### Do SPARKvue 4 or Mastering Spectroscopy have ads?

Neither SPARKvue 4 nor Mastering Spectroscopy shows ads.

### Which is updated more often, SPARKvue 4 or Mastering Spectroscopy?

SPARKvue 4 ships an update every 2 months, and Mastering Spectroscopy every 4 months. Most recently, SPARKvue 4 was updated on October 22, 2026 and Mastering Spectroscopy on October 24, 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.*