Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsiTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
An AI keyboard that works across iOS apps is a custom keyboard extension—not a replacement with unrestricted access to the system. Its design must account for user-enabled Full Access before it can use network services, sensitive keystrokes, fields and apps where custom keyboards are unavailable, and a separate process with a device-dependent memory limit. If AI help is needed only inside your own app, an app-owned input view may be a better fit.
Choose the right iOS input architecture
For a keyboard users can select in other supported apps, build a custom keyboard extension. The user must add and enable it in Settings. If the feature belongs only in your own app, consider a custom UIInputView for that app’s text field instead; that avoids building a systemwide keyboard where one is not needed. Apple outlines these approaches in its custom keyboard guide and Virtual Keyboards guidance.
Decide whether AI runs locally or on a server
Apple’s platform documentation describes access and extension constraints, but does not establish which approach produces better model quality, latency, or cost. Those depend on the model and implementation.
The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →| Approach | Platform implications | Key design consideration |
|---|---|---|
| Local inference | Keystrokes need not be sent to a server, but the model and extension run within the extension’s separate, device-limited process. Apple does not specify a universal memory allowance. | Test memory use on multiple devices and handle memory pressure. |
| Server-side inference | Requires the extension to request open access and the user to enable Allow Full Access. Typed input becomes available to the keyboard developer. | Explain the data flow, transmit securely, and use and retain input only as needed for the service. |
| App-only assistance | An app-owned input view serves the app’s own text field rather than acting as a selectable systemwide keyboard. | Prefer this when users do not need the keyboard in other apps. |
Full Access is a user decision, not a checkbox you can bypass
By default, a custom keyboard’s sandbox blocks network access and writing to the containing app’s shared group container. To use capabilities that require open access, the extension declares RequestsOpenAccess in its extension attributes, and the user must separately enable Allow Full Access for the keyboard in Settings. Apple explains the declaration in its RequestsOpenAccess documentation and the user-facing configuration in Configuring open access for a custom keyboard.
#1 Best Overall
- Can't Connect the Bluetooth? Please reset the keyboard and then reconnect the Bluetooth: 1. Turn on the keyboarad; 2. Press and hold the first and the last key at the top row of the keyboard until all indicators start flashing; 3. Bluetooth light flickers quickly, auto entering Bluetooth pairing mode (If not, press Fn + 1 or 2); 4. Search and find "Wireless keyboard".
- Multi-OS Compatible: The keyboard is widely compatible with Android, Windows and iOS devices. Also the basic typing function works with other OS devices such as fire tablets.
- Connect 2 Devices: Seamless switching between 2 Bluetooth devices (iOS/Android/Windows) with single-tap transitions (Fn+"1"/ "2").
- Orange Keys for Productivity Boost: The color-coded design help you to position the keys effortlessly and reduce mistyping. The orange keys are more visible than standard keys, engineered for speed typists.
- Compact & Travel-Friendly: Only 6oz weight and slim 0.6in profile fits in most handbags. The flexible hinge allows you to fold it up for travel – perfect for coffee shops, flights, or campus life.
Request this access only when the product needs a documented open-access capability, such as server communication or shared-container writes. Tell users what enabling it does and why the feature needs it. Apple states: “If you build a keyboard without open access, the system ensures that keystrokes can’t be sent back to your server or anywhere else.”
Treat every keystroke as sensitive input
When a user enables open access, Apple says keystrokes are available to the keyboard developer. A server-powered AI feature therefore creates a direct trust relationship: users need to understand when text leaves the device and what the service does with it. Apple’s guidance expects secure transmission when data is sent to a server, use only for text-input purposes, and no retention of received keystroke or voice data beyond what is needed for the explained service. These requirements do not prescribe a particular model, cloud provider, privacy policy, or retention period; those choices depend on the implementation and other applicable requirements.
Plan for places where the keyboard cannot appear
A custom keyboard is not guaranteed to be available for every text field. Secure text fields and phone-number fields use the system keyboard, and a host app can reject custom keyboards altogether. Build the experience so users can continue with the system keyboard when the extension is unavailable. See Apple’s Virtual Keyboards guidance and custom keyboard interface documentation.
Design for extension limits and familiar keyboard behavior
Budget for a separate, memory-limited process
The keyboard extension runs in its own process, with a memory limit that varies by device. Exceeding that limit terminates the extension. Test across multiple device models and handle memory pressure; dismissing the keyboard does not guarantee its process or memory is immediately released. Avoid assuming there is one safe memory budget for every iPhone or iPad.
Rank #3
- Maximize Screen Space: Enjoy up to 50% more usable display for ultimate productivity
- Magnetic Support: Features a built-in magnetic array for secure. It instantly attaches to accessories like power banks, stands, and car mounts for greater convenience in daily use
- System Shortcut Keys: Gain one-tap access to essential actions, streamlining your IOS workflow
- Precision Cutouts: Guarantees easy access to all essential ports, microphone, and speakers
- Plug and Play: Simple and quick setup with direct USB connection
Preserve expected keyboard interactions
Apple’s current custom keyboard guide calls out familiar behaviors such as autocorrection, autocapitalization, and smart quotes. Apple’s archived Custom Keyboard programming guide also says a keyboard must provide a next-keyboard key and describes limits on microphone use, text selection, and inline autocorrection controls beside the insertion point. Because that guide is archived, validate those specific details against the SDK and OS versions you target.
Quick Recap
Best Value
- Easy On and Off Premium Design: Lightweight, one-piece iPhone keyboard case design that fits snugly to protect the phone like a natural extension of iPhone
- Smartphone Keyboard with Shortcuts: Program buttons for one-click access to your favorite apps and contacts, plus dedicated button for voice-to-text, Siri and a keyboard backlight.
- See More Screen: Opens up more screen space without the virtual keyboard covering 50% of your content.
- Charge as Normal: Connect iPhone, while the keyboard case is on, to USB-C for normal wired charging.
- 30-Day Money-Back Guarantee: Real buttons may take a few weeks to break in and feel comfortable. However, if you're not satisfied after giving them a try, you can return the product within 30 days.
Rank #4
- Maximize Screen Space: Enjoy up to 50% more usable display for ultimate productivity
- Magnetic Support: Features a built-in magnetic array for secure. It instantly attaches to accessories like power banks, stands, and car mounts for greater convenience in daily use
- System Shortcut Keys: Gain one-tap access to essential actions, streamlining your IOS workflow
- Precision Cutouts: Guarantees easy access to all essential ports, microphone, and speakers
- Plug and Play: Simple and quick setup with direct USB connection
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
