# Retinal vs DPI610E

The clearest difference is update cadence: Retinal at fortnightly against DPI610E's every 11 months. DPI610E's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Retinal ships an update fortnightly, DPI610E every 11 months. The most recent releases landed on September 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Retinal | DPI610E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 11 months |
| Size | 1 MB | 26 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Nico Rohrbach](https://appshunter.io/developer/662717596) | [Baker Hughes Company](https://appshunter.io/developer/393570118) |

## What reviewers say

### Retinal

[App page](https://appshunter.io/ios/app/retinal/id1564557619)

**Features:** macOS Compatibility

**In-app purchases:** none


### DPI610E

[App page](https://appshunter.io/ios/app/dpi610e/id1610317737)

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

**In-app purchases:** none


## Frequently asked questions

### Is Retinal free?

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

### Is DPI610E free?

DPI610E is free to download, with no in-app purchases.

### Do Retinal or DPI610E have ads?

Neither Retinal nor DPI610E shows ads.

### Which is updated more often, Retinal or DPI610E?

Retinal ships an update fortnightly, and DPI610E every 11 months. Most recently, Retinal was updated on September 8, 2026 and DPI610E 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.*