# SPARKvue 4 vs Vivi User App

The clearest difference is rating: Vivi User App at 3.5 against SPARKvue 4's 1.9. SPARKvue 4's advantage is review sentiment (46% vs 13%) and ratings volume (629 vs 11). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Vivi User App holds the better App Store score, 3.5 against 1.9. That said, the two scores are not equally well evidenced: SPARKvue 4 has 629 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 46% of SPARKvue 4's written reviews are positive against 13% of Vivi User App's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SPARKvue 4 | Vivi User App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (629 ratings)](https://appshunter.io/ios/app/sparkvue-4/id361907181/reviews) | **[3.5 (11 ratings)](https://appshunter.io/ios/app/vivi-user-app/id1582121124/reviews)** |
| Number of ratings | **629** | 11 |
| Positive reviews | **45.5% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 91 MB | 34 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PASCO scientific](https://appshunter.io/developer/361907184) | [Vivi Australia](https://appshunter.io/developer/1057434825) |

## 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


### Vivi User App

[App page](https://appshunter.io/ios/app/vivi-user-app/id1582121124)

This tool allows seamless real-time sharing and display of information from any device. Enhance collaboration and engagement by annotating, capturing, and saving content wirelessly from anywhere in the room.

**Highlights:** Real-time information sharing, Wireless display and annotation, Capture and save content, Cross-device compatibility, Enhanced collaboration, Room-wide accessibility

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SPARKvue 4 free?

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

### Is Vivi User App free?

Vivi User App is free to download, with no in-app purchases.

### Which has better reviews, SPARKvue 4 or Vivi User App?

Vivi User App is rated higher. SPARKvue 4 averages 1.9 out of 5 from 629 ratings, while Vivi User App averages 3.5 from 11 ratings.

### Do SPARKvue 4 or Vivi User App have ads?

Neither SPARKvue 4 nor Vivi User App shows ads.

### Which is updated more often, SPARKvue 4 or Vivi User App?

SPARKvue 4 ships an update every 2 months, and Vivi User App every 2 months. Most recently, SPARKvue 4 was updated on November 6, 2026 and Vivi User App on November 3, 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.*