# Socriflow vs Lumin

The clearest difference is update cadence: Lumin at every 6 days against Socriflow's every 2 weeks. Socriflow's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Socriflow sells 16 in-app purchases, starting at $9.99 per month and Lumin sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Socriflow ships an update every 2 weeks, Lumin every 6 days. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Socriflow | Lumin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/socriflow-pdf-study-ai/id6745345325/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 15 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [思超 付](https://appshunter.io/developer/1785548701) | [Saad Nasser](https://appshunter.io/developer/1785514743) |

## What reviewers say

### Socriflow

[App page](https://appshunter.io/ios/app/socriflow-pdf-study-ai/id6745345325)

This AI-powered study tool transforms your documents into interactive learning resources. Ask questions about PDFs, generate concise notes, create flashcards, and listen to audio summaries for on-the-go studying.

**Highlights:** AI-powered PDF analysis, Ask questions about documents, Generate concise notes, Create study flashcards, Listen to audio summaries, Supports various study materials

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| V5 Plus会员-月度 | $9.99 | per month |
| Pro 专业会员 | $19.99 | per month |
| V5 Plus会员-季度 | $24.99 | per 3 months |
| Pro 专业会员 | $49.99 | per 3 months |
| V5 Plus会员-年度 | $99.99 | per year |
| Pro 专业会员 | $199.99 | per year |
| 1st+20pts | $0.99 | one-time |
| 20 points | $1.99 | one-time |
| Plus Monthly Subscription | $3.99 | one-time |
| 80 points | $3.99 | one-time |
| Pro Monthly Subscription | $6.99 | one-time |
| 200 points | $6.99 | one-time |
| Plus Quarterly Subscription | $9.99 | one-time |
| Pro Quarterly Subscription | $19.99 | one-time |
| Plus Annual Subscription | $29.99 | one-time |
| Pro Annual Subscription | $49.99 | one-time |


### Lumin

[App page](https://appshunter.io/ios/app/lumin-ai-study-and-pdf-chat/id6752791421)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumin Monthly Pro | $7.99 | per month |
| Lumin Yearly Pro | $49.99 | per year |


## Frequently asked questions

### Is Socriflow free?

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

### Is Lumin free?

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

### Do Socriflow or Lumin have ads?

Neither Socriflow nor Lumin shows ads.

### Which is updated more often, Socriflow or Lumin?

Socriflow ships an update every 2 weeks, and Lumin every 6 days. Most recently, Socriflow was updated on September 14, 2026 and Lumin on September 13, 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.*