# SphinxMD vs Spark Air

The clearest difference is rating: SphinxMD at 5.0 against Spark Air's 3.7. SphinxMD also leads on in-app purchases (none vs 5) and iOS requirement (13.0 vs 15.0). Spark Air's advantage is update cadence (weekly vs every 9 months) and ratings volume (3 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Spark Air sells 5 one-off in-app purchases. SphinxMD asks for nothing beyond the download.

SphinxMD holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

SphinxMD ships an update every 9 months, Spark Air weekly. Both last shipped on September 30, 2026.

## The numbers

| Metric | SphinxMD | Spark Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sphinxmd/id1643864422/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/spark-air/id6781246491/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 154 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SPHINX](https://appshunter.io/developer/1643864424) | [美活 劳](https://appshunter.io/developer/6780972476) |

## What reviewers say

### SphinxMD

[App page](https://appshunter.io/ios/app/sphinxmd/id1643864422)

Configure your SPHINX metal detector with ease. Adjust sensitivity, audio settings, and track battery life. Utilize features like the anti-loss alarm and flashlight directly from your smartphone.

**Highlights:** Adjust sensitivity levels, Configure audio and vibration alerts, Manage SPHINX Magnetic™ function, Set anti-loss alarm operating time, Control flashlight, Select sound schemes and frequency, Check battery charge

**Features:** macOS Compatibility

**In-app purchases:** none


### Spark Air

[App page](https://appshunter.io/ios/app/spark-air/id6781246491)

Create, publish, and share audio productions. Connect with other creators through messaging and live audio sessions. Personalize your profile and engage with the community.

**Highlights:** Audio creation tools, Messaging between creators, Creator profiles and following, Live audio sessions, Profile personalization, Virtual gifts, Community moderation

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 990 Coins | $0.99 | one-time |
| 6,000 Coins | $5.99 | one-time |
| 11,025 Coins | $10.99 | one-time |
| 20,070 Coins | $19.99 | one-time |
| 60,300 Coins | $59.99 | one-time |


## Frequently asked questions

### Is SphinxMD free?

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

### Is Spark Air free?

Spark Air is free to download, with in-app purchases available.

### Which has better reviews, SphinxMD or Spark Air?

SphinxMD is rated higher. SphinxMD averages 5.0 out of 5 from 1 ratings, while Spark Air averages 3.7 from 3 ratings.

### Do SphinxMD or Spark Air have ads?

Neither SphinxMD nor Spark Air shows ads.

### Which is updated more often, SphinxMD or Spark Air?

SphinxMD ships an update every 9 months, and Spark Air weekly. Most recently, SphinxMD was updated on September 30, 2026 and Spark Air on September 30, 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.*