The Mobile App Business with Fexingo: iOS, Android, and Consumer App Companies

Episode 104 of The Mobile App Business explores how consumer apps are turning privacy policies from dense legal documents into trust-building tools. Lucas and Luna examine the shift toward plain-language disclosures, on-device data processing, and granular user controls, using Apple's App Tracking Transparency and Signal's minimal-data approach as case studies. They discuss the business trade-offs...

Imagine being on a phone call in a crowded coffee shop and the other person hears only your voice, not the espresso machine or the chatter around you. That's on-device AI voice isolation, and it's quietly becoming a standard feature in mobile apps — from Zoom to WhatsApp to Apple's FaceTime. In this episode, Lucas and Luna dive into how this technology works, why it's happening on-device rather th...

In this episode, Lucas and Luna explore how mobile apps are using on-device AI to identify plant diseases in real time, transforming agriculture and home gardening. They dive into the technology behind PlantSnap's offline disease detection, which processes images locally on the phone using lightweight convolutional neural networks. The hosts discuss how this approach ensures privacy, works without...

In this episode of The Mobile App Business with Fexingo, Lucas and Luna explore how consumer apps are using on-device AI to recognize emotions in real time. They focus on the technology behind facial expression analysis, the privacy advantages of processing data locally, and a specific case: how a meditation app uses emotion cues to customize sessions. Lucas explains the shift from cloud-based emo...

Episode 100 of The Mobile App Business explores how mobile apps are using on-device AI to enable real-time eye tracking without cloud latency or privacy risks. Lucas and Luna break down the technology behind Apple's Eye Tracking feature in iOS 18, which relies on the TrueDepth camera and the Neural Engine to let users navigate with just their eyes. They discuss how this opens up accessibility for...

Episode 99 of The Mobile App Business examines a cutting-edge use of on-device AI: real-time sign language translation. Lucas and Luna explore how apps like Google's Lookout and SignAll use computer vision and neural networks to translate American Sign Language (ASL) into text or speech on your phone, all without sending data to the cloud. They discuss the technical challenges — like hand shape re...

In Episode 98 of The Mobile App Business, Lucas and Luna explore how on-device AI is transforming skin tone analysis in beauty and camera apps. They examine Google's 'Real Tone' initiative, which improved automatic exposure and white balance for diverse skin tones, and dissect how apps like YouCam Makeup use machine learning models running locally on the phone to analyze skin undertones, detect hy...

Episode 97 of The Mobile App Business dives into the quiet utility of on-device barcode scanning. Lucas and Luna explore how apps like those from major retailers and logistics companies use computer vision models to decode barcodes in milliseconds, without a network call. They break down the technical shift from cloud-reliant OCR to on-device convolutional neural nets, and why Apple's AVFoundation...

Today Lucas and Luna explore how mobile apps are using on-device AI to monitor heart rate in real time using just a smartphone camera. They break down the technology behind photoplethysmography (PPG) and how apps like Cardiogram and Welltory leverage the iPhone's camera and flash to detect blood volume changes. They discuss the accuracy trade-offs compared to medical-grade devices, the privacy ben...

In this episode of The Mobile App Business, Lucas and Luna dive into a quiet revolution in consumer apps: on-device photo upscaling. They focus on the real-world example of Remini, the photo-enhancement app that has topped app store charts by letting users sharpen blurry, low-res images without sending data to the cloud. Lucas explains how Apple's Core ML and Android's NNAPI make this possible, an...

Lucas and Luna dive into the mechanics of in-app challenges—like streaks, badges, and leaderboards—and why they work for user retention. They break down the psychology using the example of Duolingo's streak system, which boosts daily active users by over 50%. Then they explore how language apps like Babbel and fitness apps Strava apply similar gamification without falling into the trap of vanity m...

In this episode of The Mobile App Business, Lucas and Luna explore how mobile apps are using on-device AI to recognize sounds in real time — from a baby's cry to a smoke alarm or a dog bark. They discuss the technical trade-offs between on-device and cloud-based sound classification, the privacy advantages of keeping audio processing local, and the practical implications for accessibility apps, sm...

Lucas and Luna dive into the unsung feature that's quietly reshaping mobile video creation: AI-driven auto-captioning. They examine why apps like Instagram, TikTok, and YouTube now auto-generate captions on upload, how on-device speech recognition accuracy has crossed the 95% threshold, and what this means for accessibility, engagement, and creator workflow. The hosts spotlight a 2025 study showin...

In this episode, Lucas and Luna explore how mobile apps are integrating on-device AI to analyze user emotions through facial expressions, voice tone, and text sentiment. They focus on a specific case: a meditation app called CalmSpace that uses emotional analysis to suggest personalized breathing exercises. Lucas explains how the AI works on-device for privacy, processing micro-expressions in real...

In this episode, Lucas and Luna explore how mobile apps are bringing real-time translation directly onto the device, eliminating the need for a cloud connection. They focus on the specific case of Google's Live Translate feature on Pixel phones, which runs entirely on-device using a compact neural network model. The discussion covers how this model was trained using a technique called knowledge di...

In this episode of The Mobile App Business with Fexingo, Lucas and Luna explore the growing use of on-device AI for real-time handwriting recognition in mobile apps. They dive into a specific case: a note-taking app that processes handwritten input entirely on the device, achieving sub-10-millisecond latency with a small language model. The discussion covers the technical trade-offs, privacy benef...

Episode 88 of The Mobile App Business with Fexingo dives into on-device optical character recognition — OCR — and why it's becoming a killer feature for consumer apps. Lucas and Luna break down how Apple's Live Text and Google's Lens API let apps extract text from images instantly without sending data to the cloud. They explore real-world use cases: a recipe app that copies handwritten notes, a la...

In this episode of The Mobile App Business, Lucas and Luna explore how consumer apps are now running automatic speech recognition directly on the device, without sending audio to the cloud. They break down the technical shift — from server-based transcription to on-device models like Apple's Siri Neural Engine and Google's MediaPipe — and what it means for latency, privacy, and user experience. Th...

Apple introduced on-device background removal in iOS 16 with the Visual Look Up feature, but Google's Magic Eraser and Samsung's Object Eraser pushed it further. In this episode, Lucas and Luna explore how mobile apps leverage on-device AI for real-time background removal, from photo editing apps like Adobe Photoshop Express and Snapseed to video conferencing tools like Zoom and Microsoft Teams. T...

In this episode, Lucas and Luna dive into the technical and business evolution of on-device AI background removal in mobile apps. They discuss how Apple's Core ML and Google's ML Kit enable real-time portrait segmentation without sending images to the cloud, why this matters for user privacy and latency, and how apps like Zoom, Instagram, and Snapchat leverage the feature. Lucas explains the shift...

In this episode, Lucas and Luna dive into how mobile apps are bringing professional-grade photo editing directly onto users' devices using on-device AI. They explore the case of Adobe Lightroom's AI-driven masking and auto-tone features, which process images locally without sending data to the cloud. The hosts discuss the technical trade-offs: model size vs. accuracy, Apple's Core ML vs. Google's...

Lucas and Luna explore the emerging trend of on-device AI voice cloning in mobile apps. They examine how apps like Respeecher and Descript are enabling creators to clone their own voices for content creation, all processed locally to protect privacy. The discussion covers technical requirements, user adoption, ethical guardrails, and what this means for the future of audio production on smartphone...

In this episode of The Mobile App Business, Lucas and Luna explore how mobile apps are using AI to personalize in-app search results, moving beyond simple keyword matching to deliver context-aware, user-specific content. They dive into the technical underpinnings—like embedding models and on-device machine learning—and discuss real-world examples from major apps such as Airbnb, Spotify, and Amazon...

Episode 81 of The Mobile App Business explores a growing trend in consumer apps: running AI models directly on the device instead of sending data to the cloud. Lucas and Luna break down how Apple's on-device intelligence, Google's Private Compute Core, and apps like Grammarly and Adobe Lightroom are shifting inference to local hardware. They discuss the privacy implications, the performance trade-...

Lucas and Luna explore how mobile apps are embedding on-device AI translation to break language barriers. They dive into the technical trade-offs between cloud-based and on-device models, the privacy implications, and real-world examples like travel apps and social platforms that now offer real-time voice and text translation. The episode focuses on the 2026 landscape, where offline translation ha...