Keyb vs OS One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keyb
Boost your typing efficiency with a custom keyboard that allows you to save and reuse text snippets. Enhance your messages with dynamic placeholders for clipboard content, dates, and location. Seamlessly integrate across all your apps for consistent productivity.
- Reusable text snippets
- Dynamic snippets with placeholders
- Clipboard integration (Pro)
- Text transformation
- Cross-app compatibility
- Unlimited categories/snippets (Pro)
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Keyb is your productivity keyboard! ### Save time with reusable snippets ### Save time by using predefined text snippets for common phrases you frequently type, such as email replies, greetings, code templates, or personal information. Organize these snippets into categories for easy access. ### Dynamic snippets with placeholders ### Enhance your snippets with placeholders that automatically insert: - Text from the clipboard - Text selected in a text field - Current date and time - Current location (as coordinates, address, or URL) - Transform text in a text field (uppercase, lowercase, capitalize) - … and more! ### Seamless integration across all apps ### Switch to the Keyb keyboard and paste your snippets into any text field in any app, boosting productivity across all your iOS applications. ### Permissions Required for Extended Features ### Some features require enabling "Full Access" for the keyboard extension in system settings.
OS One
This personal agent assists with chat, content creation, and app integration. It can generate images and videos, search the web, and manage tasks through a conversational interface. Advanced features require a subscription after initial free examples.
- AI chat and reasoning
- Image and video generation
- Web and X search
- App integrations
- Voice and podcast modes
- Live Activities tracking
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Meet OS1, your personal agent for chat, creation, search, and the apps you already use. Generate or animate images. Search for anything. Ask questions, turn ideas into video, build playlists, check places, and handle the hard parts from one chat. Free Try It examples: OS1 includes two free Try It example messages during onboarding so new users can try image, video, or chat before choosing a plan. Paid features: after the free Try It examples, continued access to chat models, image generation, image editing, video generation, app integrations, voice mode, podcast mode, web and X search, Live Activities, memory, and higher usage requires a separate auto-renewable OS1 subscription. Plan pricing, free trial availability, renewal terms, and credit amounts are shown before purchase in the app. What you can do with OS1: - Chat with AI instant and reasoning models - Podcast mode generates audio from PDFs and messages - Voice mode lets you chat with OS1 in realtime - Generate and animate images - Generate videos from prompts or image - Edit and remix images with natural language - Search the web and X when you choose - Create Music playlists and use app integrations - Track longer generations with Live Activities - Search chat history and pin chats - Use optional memory when you turn it on OS1 is built to feel simple, focused, and powerful: ask, create, refine, share. Privacy Policy: https://os1.computer/privacy Terms of Service: https://os1.computer/terms EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: OS One at Free against Keyb's $3.99. Keyb's advantage is iOS requirement (18.0 vs 26.0). On rating, 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
OS One is free to download; Keyb costs $3.99 up front. Keyb sells 3 in-app purchases, starting at $3.99 per month and OS One sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Keyb against 5.0 for OS One. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Keyb ships an update weekly, OS One every 4 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.
| Parameter | Keyb | OS One |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 7 MB | 65 MB |
| Age rating | 4+ | 17+ |
| Developer | Christian Lobach | Human Interface Design LLC |
Customer experience
Keyb
OS One
In-app purchases
Keyb
- Keyb Pro Monthly$3.991 Month
- Keyb Pro Yearly3 Days trial$24.991 Year
- Keyb Pro Lifetime$59.99
OS One
- Basic3 Days trial$4.991 Month
- Pro$19.991 Month
- Max$99.991 Month









