Comparison

Open MobileUI vs TopicFlow

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

Head to head
About

Open MobileUI

This native mobile client allows you to connect to your self-hosted AI models via Open WebUI. Chat with your AI, manage conversations, and utilize features like web search and image generation, all while maintaining control over your data with no ads.

Highlights
  • Connect to self-hosted AI models
  • Real-time streaming responses
  • Edit and regenerate AI responses
  • Attach photos, files, and web pages
  • Voice mode for hands-free interaction
  • Organize chats with folders and archives
  • Export and share conversations
Features
Read full description

Open MobileUI is an open-source, native iPhone client for Open WebUI. Connect to your self-hosted server and chat with your AI models on the go: local Ollama models, OpenAI-compatible APIs, or any LLM your Open WebUI admin has set up. Your server, your data. The app connects directly to the Open WebUI server you choose. We do not run any backend that receives, stores or processes your chats, and there are no ads. CONNECT THE WAY YOU HOST • Home lab, VPS or company server • Private networks and Tailscale, including plain HTTP addresses for local setups • Custom domains behind a reverse proxy such as Nginx, Caddy or Traefik • Encrypted HTTPS and WSS connections • Sign in with email and password, LDAP, SSO (OpenID Connect), Google, Microsoft or GitHub CHAT • Real-time streaming responses • Edit and regenerate responses • Switch between AI models in one tap • Attach photos, camera shots, files, web pages and knowledge bases • Web search, image generation and code interpreter when your server enables them • Rich rendering: Markdown, code highlighting, math formulas and source citations • Voice mode: talk to your assistant hands-free and hear the answers read aloud • Voice dictation for your messages • Temporary chats that are not saved ORGANIZE • Folders, pinned chats, search and archive • Share chats and export them BUILT FOR IPHONE • Native performance, smooth animations and gestures • Light, dark and system themes • Smart keyboard handling • Graceful handling of network interruptions • Available in English, German, Spanish, French, Portuguese, Russian, Chinese, Japanese and Romanian PERFECT FOR • Using your self-hosted AI assistant on the go • Privacy-conscious users who want full control over their data • Teams that need mobile access to their company AI assistant REQUIREMENTS Open MobileUI does not host models or provide an AI service. It connects to an Open WebUI server that you or your organization run. Available features depend on your server settings. OPEN SOURCE Open MobileUI is free and open source under the GPL-3.0 license. For support, issues and source code: https://github.com/RonasIT/open-webui-react-native Disclaimer: Open MobileUI is an independent, third-party application. It is not affiliated with the Open WebUI, Ollama or Tailscale projects.

About

TopicFlow

This app transforms AI conversations into structured, reusable notes, plans, and summaries. It allows users to branch discussions for focused follow-ups and capture key ideas before they are lost. Organize your AI-generated content locally and export it when ready.

Highlights
  • Transform AI chats into reusable notes
  • Branch conversations for focused follow-ups
  • Capture and organize key ideas
  • Refocus AI discussions without re-prompting
  • Export and share selected content
  • Local topic history organization
  • Connect own AI provider keys
Features
Read full description

TopicFlow turns AI chats into reusable notes, plans, outlines, decisions, and summaries. Instead of leaving every AI conversation as one long thread, TopicFlow gives your thinking structure. Keep your main line clear, branch into focused follow-up chats, then bring the strongest results back into reusable work. What you can do with TopicFlow: - Capture ideas before they disappear from long chat threads. - Branch AI chats for questions, alternatives, research notes, and next steps. - Refocus a conversation without rewriting prompts from scratch. - Turn selected discussion into notes, plans, requirements, decision records, or summaries. - Organize topic history locally on your device. - Use TopicFlow subscription access for DeepSeek-powered AI inside the app. - Export and share only when you choose. - Back up to your own iCloud or Google Drive app data space when backup is enabled. TopicFlow is built for writers, founders, builders, students, and independent thinkers who want AI conversations to produce durable work instead of disposable chat history. Important: TopicFlow subscription access unlocks the app workflow and hosted DeepSeek-powered AI features. AI availability, quotas, fees, rate limits, output rules, and terms may still be governed by DeepSeek and app store purchase rules. Terms of Use (EULA): https://specaxe.com/terms

Screenshots

Open MobileUI4 screens
TopicFlow4 screens

Verdict

The call

The clearest difference is rating: TopicFlow at 5.0 against Open MobileUI's 3.5. TopicFlow also leads on device support (3 vs 1). Open MobileUI's advantage is in-app purchases (none vs 3) and ratings volume (28 vs 1). On price, update cadence, ads and iOS requirement 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. TopicFlow sells 3 in-app purchases, starting at $4.99 per month. Open MobileUI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TopicFlow holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Open MobileUI has 28 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Open MobileUI ships an update weekly, TopicFlow every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Open MobileUI versus TopicFlow: the parameters behind the verdict, then further details
ParameterOpen MobileUITopicFlow
PriceFreeFree
Rating3.5 (28 ratings)5.0 (1 ratings) — better
Positive reviews20.0% of reviews—
Number of ratings28 — better1
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size64 MB67 MB
Age rating4+4+
DeveloperRonas IT OU亦君 潘

In-app purchases

None

Open MobileUI

No in-app purchases

3 purchases

TopicFlow

Subscriptions2
  • TopicFlow Monthly Subscription$4.991 Month
  • TopicFlow Yearly Subscription$29.991 Year
One-time1
  • TopicFlow Lifetime Access$69.99

Questions

Is Open MobileUI free?
Open MobileUI is free to download, with no in-app purchases.
Is TopicFlow free?
TopicFlow is free to download, with in-app purchases available.
Which has better reviews, Open MobileUI or TopicFlow?
TopicFlow is rated higher. Open MobileUI averages 3.5 out of 5 from 28 ratings, while TopicFlow averages 5.0 from 1 ratings.
Do Open MobileUI or TopicFlow have ads?
Neither Open MobileUI nor TopicFlow shows ads.
Which is updated more often, Open MobileUI or TopicFlow?
Open MobileUI ships an update weekly, and TopicFlow every 9 days. Most recently, Open MobileUI was updated on October 30, 2026 and TopicFlow on October 31, 2026.

Other comparisons