# Comet vs MarinCompass

The clearest difference is in-app purchases: MarinCompass at none against Comet's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Comet sells 3 in-app purchases, starting at $20.00 per month. MarinCompass asks for nothing beyond the download.

Comet ships an update every 8 days, MarinCompass weekly. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Comet | MarinCompass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7.8K ratings)](https://appshunter.io/ios/app/comet-ai-browser-and-assistant/id6748622471/reviews)** | — |
| Number of ratings | **7.8K** | — |
| Positive reviews | 65.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 291 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Perplexity AI, Inc.](https://appshunter.io/developer/1668000336) | [YOSHIKAZU OHORI](https://appshunter.io/developer/6772688659) |

## What reviewers say

### Comet

[App page](https://appshunter.io/ios/app/comet-ai-browser-and-assistant/id6748622471)

This AI-powered browser serves as a personal assistant, enhancing focus and streamlining workflows. It offers unified AI search, instant context, and automation across websites for tasks like summarizing, shopping, scheduling, and research.

**Highlights:** Unified AI search, Instant context and automation, Summarize, shop, schedule, research, Personalized workflow adaptation, Tab and inspiration management

**Features:** Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Perplexity Pro | $20.00 | per month |
| Perplexity Pro | $200.00 | per year |
| Perplexity Max | $200.00 | per month |


### MarinCompass

[App page](https://appshunter.io/ios/app/marincompass/id6806538004)

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

**In-app purchases:** none


## Frequently asked questions

### Is Comet free?

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

### Is MarinCompass free?

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

### Do Comet or MarinCompass have ads?

Neither Comet nor MarinCompass shows ads.

### Which is updated more often, Comet or MarinCompass?

Comet ships an update every 8 days, and MarinCompass weekly. Most recently, Comet was updated on November 11, 2026 and MarinCompass 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.*