# PingModel vs Second Eye

The clearest difference is in-app purchases: PingModel at none against Second Eye's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Second Eye sells 2 in-app purchases, starting at $3.99 per month. PingModel asks for nothing beyond the download.

## The numbers

| Metric | PingModel | Second Eye |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 3 MB | 51 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Blupurple Design Ltd.](https://appshunter.io/developer/530891387) | [PRAGMATIC TECH INNOVATIONS LTD](https://appshunter.io/developer/1575147856) |

## What reviewers say

### PingModel

[App page](https://appshunter.io/ios/app/pingmodel/id6758910107)

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

**In-app purchases:** none


### Second Eye

[App page](https://appshunter.io/ios/app/second-eye/id6760843474)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Expand Pack | $1.99 | one-time |


## Frequently asked questions

### Is PingModel free?

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

### Is Second Eye free?

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

### Do PingModel or Second Eye have ads?

Neither PingModel nor Second Eye 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.*