# Brain Dump vs Prism

The clearest difference is in-app purchases: Prism at none against Brain Dump's 3. Prism also leads on update cadence (weekly vs every 4 months). Brain Dump's advantage is iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Brain Dump sells 3 in-app purchases, starting at $3.99 per 7 days. Prism asks for nothing beyond the download.

Brain Dump ships an update every 4 months, Prism weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Brain Dump | Prism |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/prism-where-does-time-go/id6757640806/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free |
| Size | 87 MB | 17 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Lee O'Connor](https://appshunter.io/developer/1849839419) | [Weifan Chen](https://appshunter.io/developer/1868044018) |

## What reviewers say

### Brain Dump

[App page](https://appshunter.io/ios/app/brain-dump-thoughts-to-tasks/id6754750214)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brain Dump Weekly | $3.99 | per 7 days |
| Brain Dump Monthly | $7.99 | per month |
| Brain Dump Annual | $44.99 | per year |


### Prism

[App page](https://appshunter.io/ios/app/prism-where-does-time-go/id6757640806)

This app helps you track and set time spent on projects. It offers tools to manage your time effectively, encouraging focus on important tasks. It aims to assist users in consistently working towards their goals.

**Highlights:** Project-based time tracking, Goal setting for time allocation, Time management tools, Focus on meaningful endeavors, User feedback for feature incorporation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Dump free?

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

### Is Prism free?

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

### Do Brain Dump or Prism have ads?

Neither Brain Dump nor Prism shows ads.

### Which is updated more often, Brain Dump or Prism?

Brain Dump ships an update every 4 months, and Prism weekly. Most recently, Brain Dump was updated on October 30, 2026 and Prism on October 31, 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.*