# Retinal vs Macro_Calculator

The clearest difference is update cadence: Retinal at fortnightly against Macro_Calculator's every 47 months. Macro_Calculator's advantage is iOS requirement (13.0 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, Macro_Calculator every 47 months. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Retinal | Macro_Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 47 months |
| Size | 1 MB | 18 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nico Rohrbach](https://appshunter.io/developer/662717596) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## What reviewers say

### Retinal

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Macro_Calculator

[App page](https://appshunter.io/ios/app/macro-calculator/id1609906628)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Retinal free?

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

### Is Macro_Calculator free?

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

### Do Retinal or Macro_Calculator have ads?

Neither Retinal nor Macro_Calculator shows ads.

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

Retinal ships an update fortnightly, and Macro_Calculator every 47 months. Most recently, Retinal was updated on October 11, 2026 and Macro_Calculator on October 14, 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.*