Comparison

PatchDoc vs BayesChat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PatchDoc

A versatile document editor and viewer for iPhone and iPad. Quickly edit text, code, and CSV files, preview PDFs and Office documents, and extract archives. Streamline your mobile file management.

Highlights
  • Text and code editing with syntax highlighting
  • CSV table browsing and editing
  • HTML source editing with live preview
  • PDF viewing with annotations
  • Preview for Office documents and images
  • Archive browsing and extraction
Features
Read full description

Patchdoc is a local file tool for iPhone and iPad, designed to open, edit, preview, save and organize all common documents. Core Features - Edit TXT, Markdown, JSON, YAML, CSV, XML, HTML, SVG, LaTeX, source code and configuration files - Create new files including TXT, Markdown, Python, C++ and other code documents - Markdown: toggle between source code and preview modes; export as HTML or PDF - HTML: toggle between source code and preview modes; export to PDF - PDF tools: reading, annotation, signature, image/text stickers, page management, cropping, compression and format conversion - Archive support: preview directories and inner files inside ZIP, RAR, 7Z, TAR archives, plus decompression - Image editor: crop, rotate, color adjustment, text overlay, brush drawing and mosaic blur - Video toolkit: playback, frame capture, rotation, mute audio, compressed export and SRT subtitle preview - Built-in local storage: create folders, import files, search, move, rename, delete, compress, pin items, add notes, and transfer files over LAN - WebDAV / FTP access: read-only browsing with file import; mount external folders or single files - Home screen widgets for quick shortcuts

About

BayesChat

Connect to multiple AI models from various providers in a single, privacy-focused application. Customize your chat experience with themes, fonts, and advanced parameters. Supports local AI servers and offers pro features with a one-time purchase.

Highlights
  • Connect to multiple AI providers
  • Use own API keys
  • Smart prompt templates
  • Local AI server support
  • Customizable interface
  • Advanced parameter tuning
  • Privacy-focused design
Features
Read full description

BayesChat: Chat with any AI model using your own API key(BYOK), support MCP & Chat Preset. • Any Model, Any Provider — OpenAI, Anthropic, Gemini, OpenRouter, local models, and more via compatible APIs. • Chat Presets — Save model, prompt, params, and tools as one reusable setup; switch with one tap. • MCP Tools — Add web search, fetch, or your own servers so your assistant acts as an agent. • Prompt Variables — Auto-fill context like date, time, or model into your prompts. • Live Streaming — Real-time typewriter rendering with LaTeX, tables, and code. • Privacy On-Device — Keys in Apple Keychain, chats in local SwiftData — no account, no cloud.

Screenshots

PatchDoc4 screens
BayesChat4 screens

Verdict

The call

The clearest difference is review sentiment: PatchDoc at 100% against BayesChat's 50%. PatchDoc also leads on rating (5.0 vs 3.0). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PatchDoc sells 1 one-off in-app purchase and BayesChat sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PatchDoc holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews point the same way: 100% of PatchDoc's written reviews are positive against 50% of BayesChat's.

UpkeepUpdate frequency

PatchDoc ships an update every 3 days, BayesChat weekly. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
PatchDoc versus BayesChat: the parameters behind the verdict, then further details
ParameterPatchDocBayesChat
PriceFreeFree
Rating5.0 (6 ratings) — better3.0 (4 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings6 — better4
Update frequencyEvery 3 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size98 MB12 MB
Age rating4+4+
Developer夏骏 倪永勇 范

Customer experience

PatchDoc

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

BayesChat

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

1 purchases

PatchDoc

One-time1
  • 终身会员$0.99
1 purchases

BayesChat

One-time1
  • BayesChat Pro Access$19.99

Questions

Is PatchDoc free?
PatchDoc is free to download, with in-app purchases available.
Is BayesChat free?
BayesChat is free to download, with in-app purchases available.
Which has better reviews, PatchDoc or BayesChat?
PatchDoc is rated higher. PatchDoc averages 5.0 out of 5 from 6 ratings, while BayesChat averages 3.0 from 4 ratings.
Do PatchDoc or BayesChat have ads?
Neither PatchDoc nor BayesChat shows ads.
Which is updated more often, PatchDoc or BayesChat?
PatchDoc ships an update every 3 days, and BayesChat weekly. Most recently, PatchDoc was updated on October 18, 2026 and BayesChat on October 12, 2026.

Other comparisons