# OnlyBullz vs Whistlr

The clearest difference is in-app purchases: Whistlr at none against OnlyBullz's 1. OnlyBullz's advantage is ads (none vs shown) and update cadence (every 4 days vs monthly). On price and device support there is nothing between them.

Both are free to download. OnlyBullz sells 1 in-app purchase, starting at $9.99 per year. Whistlr asks for nothing beyond the download.

OnlyBullz ships an update every 4 days, Whistlr monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | OnlyBullz | Whistlr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/whistlr-creator-studio/id6801757197/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | — | Ad-supported |
| Size | 169 MB | 354 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [404 investment Group Inc.](https://appshunter.io/developer/1478027842) | [ETAProjects Inc.](https://appshunter.io/developer/1775294845) |

## What reviewers say

### OnlyBullz

[App page](https://appshunter.io/ios/app/onlybullz/id6470817949)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Membership | $9.99 | per year |


### Whistlr

[App page](https://appshunter.io/ios/app/whistlr-creator-studio/id6801757197)

This app empowers creators to produce professional live streams with full control over their broadcast. Manage scenes, engage audiences in real-time, and even integrate live shopping features. Collaborate with guests and monitor analytics to grow your community.

**Highlights:** Full broadcast control, Real-time audience engagement, Integrated live shopping, Guest collaboration, Live analytics, Community connection

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

**In-app purchases:** none


## Frequently asked questions

### Is OnlyBullz free?

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

### Is Whistlr free?

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

### Do OnlyBullz or Whistlr have ads?

Whistlr shows ads; OnlyBullz does not.

### Which is updated more often, OnlyBullz or Whistlr?

OnlyBullz ships an update every 4 days, and Whistlr monthly. Most recently, OnlyBullz was updated on October 24, 2026 and Whistlr on October 24, 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.*