# BrainBox vs Postmortem

The clearest difference is in-app purchases: Postmortem at none against BrainBox's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BrainBox sells 5 in-app purchases, starting at $4.99 per 7 days. Postmortem asks for nothing beyond the download.

BrainBox ships an update weekly, Postmortem every 9 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | BrainBox | Postmortem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/brainbox-ask-ai-chat-bot/id6447789638/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 34 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Aliaksei Mikhailouski](https://appshunter.io/developer/1682692291) | [Axiom Technologies LTD](https://appshunter.io/developer/1861298067) |

## What reviewers say

### BrainBox

[App page](https://appshunter.io/ios/app/brainbox-ask-ai-chat-bot/id6447789638)

This AI-powered chatbot enhances productivity for professionals and students by streamlining tasks and offering smart prompts. It leverages advanced AI technology to help users save time and achieve better results in their work and studies. The app provides an affordable and accessible way to boost efficiency with regular prompt updates.

**Highlights:** Boost efficiency with AI, Smart prompting and guidance, Increased productivity and organization, Tailored for professionals and students, Affordable pricing structure, Regular prompt library updates

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Weekly | $4.99 | per 7 days |
| Weekly Unlimited (1 Week) | $6.99 | per 7 days |
| Monthly Unlimited (1 Month) | $14.99 | per month |
| Unlimited Yearly | $34.99 | per year |
| Yearly Unlimited (1 Year) | $69.99 | per year |


### Postmortem

[App page](https://appshunter.io/ios/app/postmortem-digital-legacy/id6756543602)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BrainBox free?

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

### Is Postmortem free?

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

### Do BrainBox or Postmortem have ads?

Neither BrainBox nor Postmortem shows ads.

### Which is updated more often, BrainBox or Postmortem?

BrainBox ships an update weekly, and Postmortem every 9 days. Most recently, BrainBox was updated on October 20, 2026 and Postmortem on October 21, 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.*