# Renka vs StudyFlow

The clearest difference is in-app purchases: StudyFlow at none against Renka's 5. StudyFlow also leads on ads (none vs shown) and device support (3 vs 1). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Renka sells 5 in-app purchases, starting at $1.99 per 7 days. StudyFlow asks for nothing beyond the download.

Renka ships an update every 6 days, StudyFlow every 10 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Renka | StudyFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (11 ratings)](https://appshunter.io/ios/app/renka-3d-face-analyzer/id6756908316/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 50 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [FatTail Labs](https://appshunter.io/developer/1863607812) | [Nhat Nguyen Ngoc](https://appshunter.io/developer/1825330876) |

## What reviewers say

### Renka

[App page](https://appshunter.io/ios/app/renka-3d-face-analyzer/id6756908316)

This app uses advanced 3D scanning to analyze facial features, symmetry, and proportions. It offers personalized recommendations for hairstyles, glasses, and makeup, and simulates potential cosmetic changes.

**Highlights:** Precise 3D face measurements, Face shape analysis, Plastic surgery simulator, Golden ratio analysis, Symmetry score, Attractiveness score, Personal color analysis

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Renka PRO Weekly (Special) | $1.99 | per 7 days |
| Weekly Pro | $6.99 | per 7 days |
| Renka PRO Annual (Special) | $9.99 | per year |
| Yearly Pro | $29.99 | per year |
| Lifetime Pro | $79.99 | one-time |


### StudyFlow

[App page](https://appshunter.io/ios/app/studyflow-easy-students-life/id6817340006)

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

**In-app purchases:** none


## Frequently asked questions

### Is Renka free?

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

### Is StudyFlow free?

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

### Do Renka or StudyFlow have ads?

Renka shows ads; StudyFlow does not.

### Which is updated more often, Renka or StudyFlow?

Renka ships an update every 6 days, and StudyFlow every 10 days. Most recently, Renka was updated on October 31, 2026 and StudyFlow on October 29, 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.*