# DeepThink vs Compass Retro

The clearest difference is price: Compass Retro at Free against DeepThink's $2.99. Compass Retro also leads on rating (5.0 vs 3.0) and iOS requirement (15.6 vs 18.0). DeepThink's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume and device support there is nothing between them.

Compass Retro is free to download; DeepThink costs $2.99 up front. Compass Retro sells 1 one-off in-app purchase. DeepThink asks for nothing beyond the download.

Compass Retro holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

DeepThink ships an update every 2 days, Compass Retro every 8 days. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | DeepThink | Compass Retro |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/deepthink/id6741049434/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/compass-retro/id6758898828/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 8 days |
| Monetization | Paid | **Free** |
| Size | 21 MB | 36 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [3DTOPO Inc.](https://appshunter.io/developer/306248371) | [akira ohmachi](https://appshunter.io/developer/1338624340) |

## What reviewers say

### DeepThink

[App page](https://appshunter.io/ios/app/deepthink/id6741049434)

This AI assistant operates entirely on your device, offering private and unlimited conversations without needing an internet connection. It utilizes a self-reflection model for accurate reasoning and provides formatted output for easy use. Share with family for a secure, offline thinking partner.

**Highlights:** Complete privacy on-device processing, Offline functionality, Unlimited conversations, Markdown and LaTeX rendering, Full chat history, Family Sharing up to 6 members, AI self-reflection for thoughtful responses

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

**In-app purchases:** none


### Compass Retro

[App page](https://appshunter.io/ios/app/compass-retro/id6758898828)

Experience a photorealistic retro compass that transforms your device into an intuitive navigation tool. It offers a full-screen analog display with smooth needle alignment to true north. Choose between light and dark themes for a visually appealing experience.

**Highlights:** Full-screen photorealistic display, Smooth true north alignment, Intuitive analog instrument feel, Light and dark theme support, Purpose-built for reliable navigation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is DeepThink free?

DeepThink costs $2.99, with no in-app purchases.

### Is Compass Retro free?

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

### Which has better reviews, DeepThink or Compass Retro?

Compass Retro is rated higher. DeepThink averages 3.0 out of 5 from 2 ratings, while Compass Retro averages 5.0 from 1 ratings.

### Do DeepThink or Compass Retro have ads?

Compass Retro shows ads; DeepThink does not.

### Which is updated more often, DeepThink or Compass Retro?

DeepThink ships an update every 2 days, and Compass Retro every 8 days. Most recently, DeepThink was updated on September 29, 2026 and Compass Retro 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.*