# Smart Puncture vs EmboVol

The clearest difference is in-app purchases: Smart Puncture at none against EmboVol's 2. Smart Puncture also leads on iOS requirement (12.0 vs 17.0). EmboVol's advantage is update cadence (every 2 months vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. EmboVol sells 2 one-off in-app purchases. Smart Puncture asks for nothing beyond the download.

Smart Puncture ships an update every 9 months, EmboVol every 2 months. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Smart Puncture | EmboVol |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 9 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Masaaki Hirata](https://appshunter.io/developer/942972055) | [LRLJ2R Consulting AB](https://appshunter.io/developer/1880194568) |

## What reviewers say

### Smart Puncture

[App page](https://appshunter.io/ios/app/smart-puncture/id942972056)

This app helps visualize angles and distances relative to gravity. It displays a line that rotates with your iPhone, changing background color when tilted. You can also draw circles to measure distances from the rotation center.

**Highlights:** Angle rotation with gravity reference, Background color changes with tilt, Draw circles for distance measurement, Visualize lines with rotation

**Features:** macOS Compatibility

**In-app purchases:** none


### EmboVol

[App page](https://appshunter.io/ios/app/embovol/id6759754589)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Tip | $1.99 | one-time |
| Support Plus Tip | $9.99 | one-time |


## Frequently asked questions

### Is Smart Puncture free?

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

### Is EmboVol free?

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

### Do Smart Puncture or EmboVol have ads?

Neither Smart Puncture nor EmboVol shows ads.

### Which is updated more often, Smart Puncture or EmboVol?

Smart Puncture ships an update every 9 months, and EmboVol every 2 months. Most recently, Smart Puncture was updated on October 3, 2026 and EmboVol 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.*