# Delphi Pro vs HalfBrain

The clearest difference is price: HalfBrain at Free against Delphi Pro's $0.99. HalfBrain also leads on update cadence (every 4 days vs every 2 weeks). On rating, ratings volume, ads and in-app purchases there is nothing between them.

HalfBrain is free to download; Delphi Pro costs $0.99 up front. Delphi Pro sells 5 in-app purchases, starting at $7.99 per month and HalfBrain sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Delphi Pro against 5.0 for HalfBrain. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Delphi Pro ships an update every 2 weeks, HalfBrain every 4 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Delphi Pro | HalfBrain |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/delphi-pro/id6447233487/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/halfbrain-ai-contact-manager/id6472225361/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 23 MB | 9 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Moritz Mahler](https://appshunter.io/developer/918599588) | [Resonant Ventures, LLC](https://appshunter.io/developer/972830286) |

## What reviewers say

### Delphi Pro

[App page](https://appshunter.io/ios/app/delphi-pro/id6447233487)

Access advanced AI capabilities on your mobile device for instant answers and creative image generation. This tool is designed to assist with a wide range of queries and creative tasks, making AI accessible anytime.

**Highlights:** AI-powered chat assistance, Image generation capabilities, Answers to user queries, Mobile accessibility, Creative tool

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delphi-Premium | $7.99 | per month |
| 20k Token | $0.99 | one-time |
| 50k Token | $1.99 | one-time |
| 100k Token | $2.99 | one-time |
| 300k Token | $4.99 | one-time |


### HalfBrain

[App page](https://appshunter.io/ios/app/halfbrain-ai-contact-manager/id6472225361)

This AI-powered app helps you remember details about your contacts and personalize interactions. It organizes voice notes into detailed profiles and generates conversation starters. Enjoy enhanced memory and stronger connections with a focus on user privacy.

**Highlights:** AI-generated conversation questions, Voice-to-text note taking, Detailed contact profiles, Offline access, iCloud sync, No account setup required

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe to Unlimited Monthly | $2.99 | per month |


## Frequently asked questions

### Is Delphi Pro free?

Delphi Pro costs $0.99, and also offers in-app purchases.

### Is HalfBrain free?

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

### Which has better reviews, Delphi Pro or HalfBrain?

Delphi Pro and HalfBrain are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Delphi Pro or HalfBrain have ads?

Neither Delphi Pro nor HalfBrain shows ads.

### Which is updated more often, Delphi Pro or HalfBrain?

Delphi Pro ships an update every 2 weeks, and HalfBrain every 4 days. Most recently, Delphi Pro was updated on October 8, 2026 and HalfBrain on October 11, 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.*