# Prism vs Attention Flow

The clearest difference is device support: Attention Flow at 4 against Prism's 2. 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.

Prism ships an update weekly, Attention Flow every 2 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Prism | Attention Flow |
| --- | --- | --- |
| 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 | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | — |
| Size | 17 MB | 8 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Weifan Chen](https://appshunter.io/developer/1868044018) | [可心 周](https://appshunter.io/developer/1868083044) |

## What reviewers say

### 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


### Attention Flow

[App page](https://appshunter.io/ios/app/attention-flow/id6775757600)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prism free?

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

### Is Attention Flow free?

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

### Do Prism or Attention Flow have ads?

Neither Prism nor Attention Flow shows ads.

### Which is updated more often, Prism or Attention Flow?

Prism ships an update weekly, and Attention Flow every 2 weeks. Most recently, Prism was updated on October 31, 2026 and Attention Flow on November 5, 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.*