# SPARKvue 4 vs ODEMSA

The clearest difference is rating: ODEMSA at 5.0 against SPARKvue 4's 1.9. ODEMSA also leads on iOS requirement (10.0 vs 13.0). SPARKvue 4's advantage is ads (none vs shown) and update cadence (every 2 months vs every 34 months). On price, in-app purchases and device support there is nothing between them.

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

ODEMSA holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: SPARKvue 4 has 629 ratings behind it against 2, so its average is the more settled of the two.

SPARKvue 4 ships an update every 2 months, ODEMSA every 34 months. The most recent releases landed on October 29, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SPARKvue 4 | ODEMSA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (629 ratings)](https://appshunter.io/ios/app/sparkvue-4/id361907181/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/odemsa/id1351337968/reviews)** |
| Number of ratings | **629** | 2 |
| Positive reviews | 45.8% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 34 months |
| Monetization | **Free** | Ad-supported |
| Size | 91 MB | 30 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PASCO scientific](https://appshunter.io/developer/361907184) | [Heidi Hooker](https://appshunter.io/developer/1351337967) |

## 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


### ODEMSA

[App page](https://appshunter.io/ios/app/odemsa/id1351337968)

Access regional educational materials, protocols, and alerts for the Old Dominion EMS Alliance Region. This app enhances learning and information dissemination for emergency medical services professionals.

**Highlights:** Access regional educational resources, View EMS protocols, Receive important alerts, Designed for Old Dominion EMS Alliance Region

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SPARKvue 4 free?

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

### Is ODEMSA free?

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

### Which has better reviews, SPARKvue 4 or ODEMSA?

ODEMSA is rated higher. SPARKvue 4 averages 1.9 out of 5 from 629 ratings, while ODEMSA averages 5.0 from 2 ratings.

### Do SPARKvue 4 or ODEMSA have ads?

ODEMSA shows ads; SPARKvue 4 does not.

### Which is updated more often, SPARKvue 4 or ODEMSA?

SPARKvue 4 ships an update every 2 months, and ODEMSA every 34 months. Most recently, SPARKvue 4 was updated on October 29, 2026 and ODEMSA on October 17, 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.*