# Image vs Metrics Data

The clearest difference is in-app purchases: Image at none against Metrics Data's 4. Metrics Data's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Metrics Data sells 4 in-app purchases, starting at $2.99 per month. Image asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 11, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Image | Metrics Data |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Size | 134 MB | 13 MB |
| Requires iOS | 17.7.2 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Hilthart Pedersen](https://appshunter.io/developer/1875942631) |

## What reviewers say

### Image

[App page](https://appshunter.io/ios/app/image-similarity/id6511212926)

**Features:** macOS Compatibility

**In-app purchases:** none


### Metrics Data

[App page](https://appshunter.io/ios/app/metrics-data/id6758959570)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $2.99 | per month |
| Premium half-year | $3.99 | per 6 months |
| Premium Annual | $8.99 | per year |
| Premium Lifetime Access | $24.99 | one-time |


## Frequently asked questions

### Is Image free?

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

### Is Metrics Data free?

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

### Do Image or Metrics Data have ads?

Image shows ads; Metrics Data does not.

### Which is updated more often, Image or Metrics Data?

Image ships an update fortnightly, and Metrics Data fortnightly. Most recently, Image was updated on September 11, 2026 and Metrics Data on September 23, 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.*