Best Key Change Apps

210+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated May 2026

Finding the right key change app can be overwhelming with so many options. We've analyzed 210+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Key Change

Music Speed Changer ▶▶▶#2

Music Speed Changer ▶▶▶ by Single Minded Productions, LLC

Tempo, Pitch, Loop & Effects
Strong Contender
🎵 Music
4.8😊(3.5K ratings)
FreeAdsIn-App Purchases
Music Speed Changer ▶▶▶ screenshot 1
Music Speed Changer ▶▶▶ screenshot 2
Music Speed Changer ▶▶▶ screenshot 3
Music Speed Changer ▶▶▶ screenshot 4
Music Speed Changer ▶▶▶ screenshot 5
Music Speed Changer ▶▶▶ screenshot 6

Alter the tempo, pitch, and loop of music with ease using this innovative app. Enhance your listening experience and perfect your tunes today!

What We Love

  • 🚀 Excellent music editing features
  • 👍 Intuitive and user-friendly interface
  • 💡 Highly customizable with presets and themes
  • 🎨 Powerful audio effects like reverb, pitch, and tempo

Room to Improve

  • 🔊 Intrusive and disruptive ads
  • 🐛 Frequent crashes and compatibility issues
  • ⏱️ Slow loading times for larger music libraries
KeyPro – Keyboard Themes Fonts#3

KeyPro – Keyboard Themes Fonts by Milica Petrovic

Change Cool Art Custom Design
Worth Considering
🔧 Utilities
4.2😐(8.8K ratings)
FreeAdsIn-App Purchases
KeyPro – Keyboard Themes Fonts screenshot 1
KeyPro – Keyboard Themes Fonts screenshot 2
KeyPro – Keyboard Themes Fonts screenshot 3
KeyPro – Keyboard Themes Fonts screenshot 4
KeyPro – Keyboard Themes Fonts screenshot 5
KeyPro – Keyboard Themes Fonts screenshot 6

Customize your keyboard with stylish themes and fonts using our app! Enhance your typing experience with a variety of unique designs, fonts, and key styles. Install now for a supreme typing experience.

What We Love

  • 🎨 Lots of customization options
  • 👍 Easy to use
  • 💡 Unique font and keyboard styles
  • ✨ Fun and creative app

Room to Improve

  • 🤖 Limited free options, many features locked behind paywall
  • 📢 Too many ads
  • 🤔 Confusing to set up and apply custom keyboard

More Key Change apps to explore

4
Facemoji AI Emoji Keyboard
Facemoji AI Emoji Keyboard
Facemoji AI Emoji Keyboard
Keyboard Fonts,Emoji&Sticker
Free

Discover a sophisticated keyboard application that offers a diverse range of fonts and emojis to enhance your typing experience. Personalize your messages with unique styles and expressions effortlessly. Try it now for a more creative way to communicate!

🔧 Utilities
(368K)
5
Music Transpose: Key  Changer
Music Transpose: Key  Changer
Music Transpose: Key Changer
Changing the key of music
$24.99

Adjust the pitch, speed, and tempo of your music with ease using this convenient app, supporting various audio and video formats. Try it now and take advantage of its user-friendly features, including fine-tuning and independent adjustments, with a one-time purchase for lifelong access.

🎵 Music
(5)
6
Kika Keyboard: Custom Themes
Kika Keyboard: Custom Themes
Kika Keyboard: Custom Themes
AI Custom Keyboards Background
Free

Enhance your social media presence with a versatile keyboard app offering custom themes, emojis, and fonts for your iPhone. Compatible with top platforms like Instagram, Snapchat, and TikTok, this app also features AI capabilities for personalized keyboard backgrounds and supports over 150 languages. Upgrade to unlock exclusive features and take your social media game to the next level!

🔧 Utilities
(313K)
7
Keyboard Skins for iPhone
Keyboard Skins for iPhone
Keyboard Skins for iPhone
Themes & Custom Fonts
Free

Transform your iPhone's keyboard with a variety of stylish skins and themes to personalize your typing experience. Elevate your keyboard aesthetics with our diverse selection of designs. Try it now and express your unique style through your keyboard!

🌟 Lifestyle
(12K)
8
Custom Keyboard Themes & Fonts
Custom Keyboard Themes & Fonts
Custom Keyboard Themes & Fonts
Aesthetic Phone Customizer Art
Free

Create personalized keyboard themes with ease using our innovative application. Express your style and creativity by designing unique keyboards that suit your taste. Download now to redefine your typing experience!

🔧 Utilities
(1.4K)
9
TuneKey® -  Key Size & Finger Scope
TuneKey® -  Key Size & Finger Scope
TuneKey® - Key Size & Finger Scope
Key Size & Finger Scope
Free

This innovative keyboard app makes typing on small smartphone keys easier, especially for those with larger fingers, by introducing a finger scope between keys that can be enlarged, reducing accidental key presses. With a focus on privacy, it doesn't collect or save typed text or personal information, and offers customizable emoji, emoticons, and color settings.

🔧 Utilities
(26)
10
Fonts Air - Font Art Keyboard
Fonts Air - Font Art Keyboard
Fonts Air - Font Art Keyboard
Change text fonts on iPhone
Free

Discover a custom fonts keyboard app that lets you create eye-catching texts for social media and messaging apps. Unleash your creativity with different subscription options available.

🔧 Utilities
(54K)
11
Auto-Key | Music key detection
Auto-Key | Music key detection
Auto-Key | Music key detection
Music key and scale detection
Free

Detect the musical key of any tune on-the-go with Auto-Key. Simply capture a few seconds of audio to instantly find the key and diatonic key. Perfect for musicians and producers.

🎵 Music
(87)
12
Car Play Connect: Digital Key
Car Play Connect: Digital Key
Car Play Connect: Digital Key
For BMW, Ford, Audi, Honda etc
Free

A cutting-edge digital key app for various car brands, allowing users to remotely monitor, control, and share access to their vehicles from anywhere. Features include remote door lock/unlock, tracking essential car information, finding parking and charging spots, and real-time status updates. Experience the future of car connectivity with our app!

🔧 Utilities
(2.3K)
13
V Keyboard - DIY Themes, Fonts
V Keyboard - DIY Themes, Fonts
V Keyboard - DIY Themes, Fonts
Customized key & Handwriting
Free

Create personalized keyboards with various themes and fonts using V Keyboard. Customize your typing experience to suit your style. Download now and express yourself through your keyboard!

🔧 Utilities
(38K)
14
OpenKey
OpenKey
OpenKey
by OPENKEY, INC.
Free

Experience seamless hotel room access globally with the latest release of our mobile app. Unlock rooms, share keys, contact hotel staff, access check-out details, explore hotel amenities, and request check-out effortlessly.

✈️ Travel
(3.1K)
15
Better Font-s Cool Keyboard-s
Better Font-s Cool Keyboard-s
Better Font-s Cool Keyboard-s
Fun Keypad Themes& Skin Editor
Free

Enhance your typing experience with a creative keyboard app offering a variety of fun themes and fonts. Personalize your device with unique styles and enjoy a new way to express yourself through text.

🔧 Utilities
(86K)
16
Voicemod
Voicemod
Voicemod
Voice Changer & Soundboard
Free

A soundboard app that lets you play a variety of sounds and effects at the touch of a button. Enhance your voice calls, videos, and chat sessions with this fun and interactive tool - try it out now!

🎬 Entertainment
(18K)
17
EZ Key Programming
EZ Key Programming
EZ Key Programming
by Car Keys Express
Free

This mobile app allows users to program replacement auto keys using just their smartphone and an OBD dongle, eliminating the need for bulky and expensive equipment. With a simple guided system, users can easily connect to the dongle, set it up, and program new keys via their vehicle's OBD port.

🔧 Utilities
(32)
18
Pocket Jam
Pocket Jam
Pocket Jam
Change pitch & tempo of songs
$4.99

Practice and play along with your favorite songs in real-time using this app, which allows you to change the pitch and tempo, loop specific sections, and speed train your practice. Download and try it out to take your music practice to the next level.

🎵 Music
(37)
19
Big Keys Keyboard
Big Keys Keyboard
Big Keys Keyboard
Large Giant Writer & Emojis
Free

Big Keys Keyboard is a user-friendly app offering a large keyboard for easier typing on mobile devices. Enjoy increased accuracy and efficiency when typing with this intuitive application.

📊 Productivity
(950)
20
Auto Key Max
Auto Key Max
Auto Key Max
Remote Car Key Programmer
Free

Unlock the potential of your car with Auto Key Max, your go-to remote car key programmer covering a wide range of car models. Access keys and programming for popular makes like Ford, GM, Honda, Toyota, and more up to recent model years. Get ready to upgrade your car key experience today!

🔧 Utilities
(9)

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