# Sidebar | Fast Notes vs BayesChat

The clearest difference is review sentiment: Sidebar | Fast Notes at 100% against BayesChat's 50%. Sidebar | Fast Notes also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 1). BayesChat's advantage is update cadence (every 6 days vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. BayesChat sells 1 one-off in-app purchase. Sidebar | Fast Notes asks for nothing beyond the download.

Sidebar | Fast Notes holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 100% of Sidebar | Fast Notes's written reviews are positive against 50% of BayesChat's.

Sidebar | Fast Notes ships an update every 2 months, BayesChat every 6 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Sidebar | Fast Notes | BayesChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/sidebar-fast-notes/id6450434079/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/bayeschat-ai-chat-byok-mcp/id6777948055/reviews) |
| Number of ratings | **7** | 4 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 14 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chris Woods](https://appshunter.io/developer/1693297958) | [永勇 范](https://appshunter.io/developer/6775871728) |

## What reviewers say

### Sidebar | Fast Notes

[App page](https://appshunter.io/ios/app/sidebar-fast-notes/id6450434079)

Quickly capture thoughts and ideas without the need for organization. Entries are timestamped logs that can be tagged as to-dos or personal wins/losses. Syncs across devices with custom themes and a stealth mode.

**Highlights:** Instant note capture, Timestamped entries, To-do list integration, Personal scoreboard, Cross-device sync, Custom themes, Stealth mode

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

**In-app purchases:** none


### BayesChat

[App page](https://appshunter.io/ios/app/bayeschat-ai-chat-byok-mcp/id6777948055)

This app allows you to chat with various AI models using your own API keys. It offers features like customizable chat presets, on-device memory for personalized interactions, and agent capabilities with MCP tools. Enjoy private, real-time AI conversations with advanced rendering and on-device data storage.

**Highlights:** Connect to any AI model via compatible APIs, Save and switch between chat presets, On-device memory for personalized conversations, Agent capabilities with MCP tools (web search, fetch), Prompt variables for dynamic context, Live streaming with LaTeX, tables, and code rendering, Privacy-focused with on-device storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BayesChat Pro Access | $14.99 | one-time |


## Frequently asked questions

### Is Sidebar | Fast Notes free?

Sidebar | Fast Notes is free to download, with no in-app purchases.

### Is BayesChat free?

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

### Which has better reviews, Sidebar | Fast Notes or BayesChat?

Sidebar | Fast Notes is rated higher. Sidebar | Fast Notes averages 5.0 out of 5 from 7 ratings, while BayesChat averages 3.0 from 4 ratings.

### Do Sidebar | Fast Notes or BayesChat have ads?

Neither Sidebar | Fast Notes nor BayesChat shows ads.

### Which is updated more often, Sidebar | Fast Notes or BayesChat?

Sidebar | Fast Notes ships an update every 2 months, and BayesChat every 6 days. Most recently, Sidebar | Fast Notes was updated on November 3, 2026 and BayesChat on November 7, 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.*