# Siyou B2B vs CaseStudies.chat

The clearest difference is update cadence: CaseStudies.chat at every 3 days against Siyou B2B's every 2 weeks. Siyou B2B's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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.

Siyou B2B ships an update every 2 weeks, CaseStudies.chat every 3 days. The most recent releases landed on October 29, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Siyou B2B | CaseStudies.chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/casestudieschat/id6807919099/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 58 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [SIYOU TECHNOLOGY S.R.L](https://appshunter.io/developer/1466639725) | [LIANG LIAO](https://appshunter.io/developer/6804937685) |

## What reviewers say

### Siyou B2B

[App page](https://appshunter.io/ios/app/siyou-b2b/id1482752003)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### CaseStudies.chat

[App page](https://appshunter.io/ios/app/casestudieschat/id6807919099)

Access a vast library of over 24,000 business cases with AI-powered chat. Get insights, suggestions, and inspiration from real-world examples across various archives like mistakes, solutions, and creative ideas. Available in multiple languages with a free tier and an unlimited Pro subscription.

**Highlights:** AI chat with 24,000+ business cases, Access to specialized archives (mistakes, solutions, changes, creative ideas, startups), Multi-language support, Save cases to your wall, Free monthly questions, Unlimited Pro subscription

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

**In-app purchases:** none


## Frequently asked questions

### Is Siyou B2B free?

Siyou B2B is free to download, with no in-app purchases.

### Is CaseStudies.chat free?

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

### Do Siyou B2B or CaseStudies.chat have ads?

Neither Siyou B2B nor CaseStudies.chat shows ads.

### Which is updated more often, Siyou B2B or CaseStudies.chat?

Siyou B2B ships an update every 2 weeks, and CaseStudies.chat every 3 days. Most recently, Siyou B2B was updated on October 29, 2026 and CaseStudies.chat on October 16, 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.*