# OSSTEM Chart Scan vs Esnap

The clearest difference is device support: OSSTEM Chart Scan at 3 against Esnap's 1. OSSTEM Chart Scan also leads on iOS requirement (11.0 vs 17.0). On price, 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.

## The numbers

| Metric | OSSTEM Chart Scan | Esnap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 140 MB | 140 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Osstem Implant Co., Ltd.](https://appshunter.io/developer/433846138) | [HYEJIN BAK](https://appshunter.io/developer/1783692104) |

## What reviewers say

### OSSTEM Chart Scan

[App page](https://appshunter.io/ios/app/osstem-chart-scan/id1517750010)

**Features:** Vision Pro support

**In-app purchases:** none


### Esnap

[App page](https://appshunter.io/ios/app/esnap/id6739101219)

**In-app purchases:** none


## Frequently asked questions

### Is OSSTEM Chart Scan free?

OSSTEM Chart Scan is free to download, with no in-app purchases.

### Is Esnap free?

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

### Do OSSTEM Chart Scan or Esnap have ads?

Neither OSSTEM Chart Scan nor Esnap shows ads.

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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.*