# CastleBird vs PromptCRM

The clearest difference is iOS requirement: PromptCRM at 13.0 against CastleBird's 15.0. On price, update cadence, 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.

CastleBird ships an update every 3 months, PromptCRM every 4 months. The most recent releases landed on September 13, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | CastleBird | PromptCRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/promptcrm/id6467296570/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | — | Free |
| Size | 93 MB | 118 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CastleBird](https://appshunter.io/developer/1689612442) | [MarketChief.io LLC](https://appshunter.io/developer/1580098266) |

## What reviewers say

### CastleBird

[App page](https://appshunter.io/ios/app/castlebird/id6449547159)

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

**In-app purchases:** none


### PromptCRM

[App page](https://appshunter.io/ios/app/promptcrm/id6467296570)

Manage business contacts and communications on the go. Add new leads, organize them into campaigns, and move them through sales pipelines. Directly call, text, or message clients via integrated platforms and track all conversations.

**Highlights:** Add and manage leads, Organize leads into campaigns, Move contacts through pipeline stages, Direct calling and texting, Integrated messaging (Google My Business, Facebook Messenger), Calendar integration, Admin view of staff activities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CastleBird free?

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

### Is PromptCRM free?

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

### Do CastleBird or PromptCRM have ads?

Neither CastleBird nor PromptCRM shows ads.

### Which is updated more often, CastleBird or PromptCRM?

CastleBird ships an update every 3 months, and PromptCRM every 4 months. Most recently, CastleBird was updated on September 13, 2026 and PromptCRM on September 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.*