# Comet vs Bionic Reading® Font Keyboard

The clearest difference is review sentiment: Comet at 65% against Bionic Reading® Font Keyboard's 0%. Comet also leads on rating (4.7 vs 2.3) and ratings volume (7.8K vs 3). Bionic Reading® Font Keyboard's advantage is update cadence (daily vs every 8 days). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Comet sells 3 in-app purchases, starting at $20.00 per month and Bionic Reading® Font Keyboard sells 2 in-app purchases, starting at $1.00 per month. Whichever you choose, the download price is not the number that matters.

Comet holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: Comet has 7.8K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 65% of Comet's written reviews are positive against 0% of Bionic Reading® Font Keyboard's.

Comet ships an update every 8 days, Bionic Reading® Font Keyboard daily. Both last shipped on November 5, 2026.

## The numbers

| Metric | Comet | Bionic Reading® Font Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7.8K ratings)](https://appshunter.io/ios/app/comet-ai-browser-and-assistant/id6748622471/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/bionic-reading-font-keyboard/id6749930161/reviews) |
| Number of ratings | **7.8K** | 3 |
| Positive reviews | **65.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 291 MB | 837 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Perplexity AI, Inc.](https://appshunter.io/developer/1668000336) | [Bionic Reading AG](https://appshunter.io/developer/1659624105) |

## 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 |


### Bionic Reading® Font Keyboard

[App page](https://appshunter.io/ios/app/bionic-reading-font-keyboard/id6749930161)

Enhance your reading and typing experience with a unique font that visually emphasizes words, making text clearer and faster to process. This keyboard works across all your favorite apps, offering a private and on-device solution for a better digital reading experience.

**Highlights:** Bionic Reading® live typing, Adjustable visual emphasis (F1-F5), One-tap conversion to Bionic Reading®, Convert back to system font, Instant Bionic Reading® conversion from clipboard, Private on-device autocomplete, Light/Dark Mode support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BR® Font Keyboard | $1.00 | per month |
| BR® Font Keyboard | $10.00 | per year |


## Frequently asked questions

### Is Comet free?

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

### Is Bionic Reading® Font Keyboard free?

Bionic Reading® Font Keyboard is free to download, with in-app purchases available.

### Which has better reviews, Comet or Bionic Reading® Font Keyboard?

Comet is rated higher. Comet averages 4.7 out of 5 from 7.8K ratings, while Bionic Reading® Font Keyboard averages 2.3 from 3 ratings.

### Do Comet or Bionic Reading® Font Keyboard have ads?

Neither Comet nor Bionic Reading® Font Keyboard shows ads.

### Which is updated more often, Comet or Bionic Reading® Font Keyboard?

Comet ships an update every 8 days, and Bionic Reading® Font Keyboard daily. Most recently, Comet was updated on November 5, 2026 and Bionic Reading® Font Keyboard 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.*