You will get Custom UI, App & Game Sound Effects for Clear User Feedback
Project details
You will receive custom sound effects designed to enhance the user experience of your app, game, or interactive project. I create polished audio feedback for notifications, item pickups, rewards, menu interactions, and other UI events that feel clear, engaging, and tailored to your project.
I work closely with clients to understand the purpose, style, and emotional impact they want each sound to achieve. Whether you're developing a mobile game, an indie title, or a digital product, my goal is to deliver sound effects that support usability while adding personality and polish.
All sound effects are created with attention to detail and delivered in high-quality audio formats. If revisions are included in your package, I'll refine the work based on your feedback to ensure the final result fits your vision.
I work closely with clients to understand the purpose, style, and emotional impact they want each sound to achieve. Whether you're developing a mobile game, an indie title, or a digital product, my goal is to deliver sound effects that support usability while adding personality and polish.
All sound effects are created with attention to detail and delivered in high-quality audio formats. If revisions are included in your package, I'll refine the work based on your feedback to ensure the final result fits your vision.
Purpose
Application, Video GameMixing Type
Stereo Mixing, Mono MixingWhat's included
| Service Tiers |
Starter
$49
|
Standard
$99
|
Advanced
$199
|
|---|---|---|---|
| Delivery Time | 2 days | 3 days | 5 days |
Number of Sound Effects | 2 | 4 | 8 |
Number of Revisions | 1 | 2 | 3 |
Custom Sound Effects | |||
Separated Tracks/Stems | |||
Royalty Free Music | - | - | - |
Sync Sound | - | - | - |
Optional add-ons
You can add these on the next page.
Additional Sound Effect
(+ 1 Day)
+$10
Additional Revision
+$10Frequently asked questions
3 reviews
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PV
Parag V.
Apr 24, 2025
Creation of a kids story book illustrations using AI
RL
Rongbing L.
Feb 2, 2025
Participation in a research project about your learning journey (6 x 15 minutes)
It has been an absolute pleasure working with Javier Campo. The clear and effective communication, timely task completion, and quick responses to questions or requests have made the entire process seamless. Dedication and attention to detail are evident in the consistently high-quality work. I would be more than happy to collaborate again in the future and confidently recommend Javier Campo for exceptional reliability and professionalism.
CL
Chaimi L.
Jun 10, 2024
Creative & Design professionals to take 25-minute survey
About Javier
Sound Designer | Custom UI & App Sound Effects |Clean Functional Audio
75%
Job Success
San Jacinto, United States - 5:08 am local time
I create clear, engaging sound effects for apps and interactive products — for feedback cues, notifications, and positive user moments.
🎧 What I do:
🎛️🔹 Craft interactive sounds from scratch using Audacity
🔔 Design subtle variations for repeated cues (clicks/toggles) so they never feel repetitive
✨ Layer textures and effects to give each sound personality, clarity, and impact
🌟 Ensure audio complements your app’s visual and interactive design
🧩 Experience & Practice Highlights
🎯 macOS & iOS app single Upwork client mobile app sound design delivery, and sound pack design practice
🎨 Children’s audiobook project — refined timing, clarity, and emotional tone
🔊 Foundational audio beats & interactive/game-style sound practice
💡 How I work:
• Deliver high-quality, memorable audio tailored to your product
• Balance creativity, UX awareness, and professional polish
• Comfortable with short-term, one-time, or demo-focused projects
• Happy to start with paid test cues before full-scale work
Let’s collaborate to make your app sound as great as it looks!
Steps for completing your project
After purchasing the project, send requirements so Javier can start the project.
Delivery time starts when Javier receives requirements from you.
Javier works on your project following the steps below.
Revisions may occur after the delivery date.
Review Requirements
I'll review your project details, references, and goals to understand the desired style, functionality, and user experience of the sound effect.
Create Custom Sound Effects
I'll design and refine the sound effect based on your specifications, ensuring it fits the intended app, game, or interactive experience.