# cauldy vs Zero1 by Zerodha

The clearest difference is in-app purchases: Zero1 by Zerodha at none against cauldy's 2. Zero1 by Zerodha also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. cauldy sells 2 in-app purchases, starting at $3.99 per month. Zero1 by Zerodha asks for nothing beyond the download.

cauldy ships an update every 5 weeks, Zero1 by Zerodha every 3 weeks. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | cauldy | Zero1 by Zerodha |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/cauldy/id1668340510/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 163 MB | 46 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [btw LLC](https://appshunter.io/developer/1668340512) | [Learnapp Technologies Private Limited](https://appshunter.io/developer/1669494158) |

## What reviewers say

### cauldy

[App page](https://appshunter.io/ios/app/cauldy/id1668340510)

Engage in open and safe discussions on debatable topics with like-minded individuals. Offers private shadowing, instant blocking, and reporting for a controlled social experience. Discover trending content and join chat rooms for meaningful conversations.

**Highlights:** Private shadowing and user blocking, Customizable notifications, Personalized content feed, Real-time trending posts, Join chat rooms for discussions, Report suspicious activity

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpyCauldy | $3.99 | per month |
| SpyCauldy | $3.99 | one-time |


### Zero1 by Zerodha

[App page](https://appshunter.io/ios/app/zero1-by-zerodha/id6737311395)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is cauldy free?

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

### Is Zero1 by Zerodha free?

Zero1 by Zerodha is free to download, with no in-app purchases.

### Do cauldy or Zero1 by Zerodha have ads?

cauldy shows ads; Zero1 by Zerodha does not.

### Which is updated more often, cauldy or Zero1 by Zerodha?

cauldy ships an update every 5 weeks, and Zero1 by Zerodha every 3 weeks. Most recently, cauldy was updated on October 6, 2026 and Zero1 by Zerodha on September 28, 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.*