# DPI610E vs Ratio Calculator Pro

DPI610E and Ratio Calculator Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DPI610E ships an update every 11 months, Ratio Calculator Pro every 19 months. The most recent releases landed on October 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | DPI610E | Ratio Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 19 months |
| Size | 26 MB | 7 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Baker Hughes Company](https://appshunter.io/developer/393570118) | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) |

## What reviewers say

### DPI610E

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

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

**In-app purchases:** none


### Ratio Calculator Pro

[App page](https://appshunter.io/ios/app/ratio-calculator-pro/id6463126280)

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

**In-app purchases:** none


## Frequently asked questions

### Is DPI610E free?

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

### Is Ratio Calculator Pro free?

Ratio Calculator Pro is free to download, with no in-app purchases.

### Do DPI610E or Ratio Calculator Pro have ads?

Neither DPI610E nor Ratio Calculator Pro shows ads.

### Which is updated more often, DPI610E or Ratio Calculator Pro?

DPI610E ships an update every 11 months, and Ratio Calculator Pro every 19 months. Most recently, DPI610E was updated on October 10, 2026 and Ratio Calculator Pro on November 3, 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.*