# Digit Ratio vs AmGuru

The clearest difference is update cadence: Digit Ratio at weekly against AmGuru's every 5 months. Digit Ratio also leads on iOS requirement (9.0 vs 15.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Digit Ratio ships an update weekly, AmGuru every 5 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Digit Ratio | AmGuru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/digit-ratio/id1313005322/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Free | Free |
| Size | 35 MB | 61 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Everyware Apps](https://appshunter.io/developer/718530491) | [Firstventure Corporation Private Limited](https://appshunter.io/developer/1227215544) |

## What reviewers say

### Digit Ratio

[App page](https://appshunter.io/ios/app/digit-ratio/id1313005322)

This app allows users to anonymously measure their digit ratios (2D:4D), a marker potentially related to prenatal hormone exposure. It collects data for research purposes, contributing to studies on personality and cognition.

**Highlights:** Anonymous digit ratio measurement, 2D:4D ratio calculation, Prenatal hormone exposure marker, Research data collection, Personality and cognition studies

**Features:** macOS Compatibility

**In-app purchases:** none


### AmGuru

[App page](https://appshunter.io/ios/app/amguru/id1508386420)

This mobile learning platform keeps users updated on notifications, courses, and assessments. It requires an active login ID for access. Developed by Firstventure Corporation Pvt Ltd in Mumbai, India.

**Highlights:** Notifications, Courses, Assessments, Mobile learning, Login required

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

**In-app purchases:** none


## Frequently asked questions

### Is Digit Ratio free?

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

### Is AmGuru free?

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

### Do Digit Ratio or AmGuru have ads?

Neither Digit Ratio nor AmGuru shows ads.

### Which is updated more often, Digit Ratio or AmGuru?

Digit Ratio ships an update weekly, and AmGuru every 5 months. Most recently, Digit Ratio was updated on October 24, 2026 and AmGuru on October 20, 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.*