DreamSeeds · App Research Report · 2026-03-19

TuneFeels
Your Emotional Music Diary

On-device AI music mood journal that connects emotions to songs using MusicKit, ShazamKit, and Foundation Models — discover music through how you feel.

Music $29B Market Freemium $4.99/mo music mood journal
🟡
Research Verdict
PAUSE
Unique concept leveraging iOS 26.4 music APIs but monetization unvalidated and competition from Daylio (10M+ MAU) is strong.
7.0
out of 10
01 — Name Research

Candidate names

Recommended
TuneFeels
com.tunefeels.app
.com ⚠️ Likely Available App Store: Clear
Name .com .io App Store Clear? Trademark Risk Score
TuneFeels ✅ Free ❌ Taken ✅ Clear Low 8/10
SonicMood ❌ Taken ✅ Free ⚠️ Similar Medium 6/10
MelodyMind ✅ Free ✅ Free ✅ Clear Low 7/10
VibeLog ❌ Taken ❌ Taken ❌ Taken Medium 4/10
HarmonyDiary ✅ Free ✅ Free ✅ Clear Low 7/10
02 — Market

Market overview

TAM
$29B
Mordor Intelligence, 2025
Growth Rate
4.6%
Year over year
Target User
Music lovers who journal moods and discover through emotion

The music app and mood tracking markets are both growing but completely siloed. Daylio (10M+ MAU) proves people want quick mood logging. Spotify Wrapped proves people crave emotional connection to music. iOS 26.4 RC (March 18, 2026) introduced Playlist Playground, offline Shazam, and Concerts APIs — creating a window for an app that bridges the gap between emotional self-awareness and music discovery.

03 — Competition

Top 5 competitors

Monetization model, marketing strategy, and the #1 complaint from users for each.

#1 Daylio ⭐ 4.7 · 60K/mo
💵 Est. Monthly Revenue

$100K/mo

💰 Monetization
Freemium

$4.99/mo or $35.99/yr premium. Free tier with limited history. No music integration.

📣 Marketing

App Store optimization, mood tracking content marketing, social media mood awareness campaigns.

😤 #1 Complaint

No music integration. Confusing paywall. Generic mood categories don't capture nuance.

#2 Reflectly ⭐ 4.6 · 500K-1M MAU
💵 Est. Monthly Revenue

$300K/mo

💰 Monetization
Subscription

$9.99/mo or $47.99/yr. AI-powered journaling. No music features.

📣 Marketing

Strong branding, Instagram advertising, influencer partnerships, app store ads.

😤 #1 Complaint

Very expensive ($9.99/mo). AI responses feel generic. No music or audio integration.

#3 Spiritune ⭐ 4.5 · Unverified
💵 Est. Monthly Revenue

$50-100K/mo (est.)

💰 Monetization
Subscription

$5.99/mo music therapy subscription. Curated therapeutic soundscapes.

📣 Marketing

Music therapy positioning, wellness influencer partnerships, clinical credibility.

😤 #1 Complaint

Passive listening only — no journaling, no mood tracking, no personal music library integration.

#4 Moodnotes ⭐ 4.65 · Unverified
💵 Est. Monthly Revenue

$50-75K/mo (est.)

💰 Monetization
Freemium

$4.99 one-time or subscription. CBT-based mood tracking with thought patterns.

📣 Marketing

Mental health professional endorsements, CBT credibility, Apple editorial features.

😤 #1 Complaint

Dated interface. No music integration. Limited beyond basic CBT thought records.

#5 MusicBox ⭐ 4.3 · Niche
💵 Est. Monthly Revenue

$5-15K/mo (est.)

💰 Monetization
Freemium

Free with premium features. Album organization and music cataloging focus.

📣 Marketing

Niche music collector community, Reddit recommendations, Apple Music integration.

😤 #1 Complaint

No mood tracking at all. Purely organizational — no emotional connection to music.

The gap: No app connects mood to music with AI

Mood tracking apps (Daylio, Reflectly) ignore music. Music apps (MusicBox, Albums) ignore emotions. iOS 26.4 introduced Playlist Playground, offline Shazam, and Concerts APIs — no app yet combines these with mood journaling and on-device AI to create an emotional music diary that discovers songs through how you feel.

04 — ASO

Keyword strategy

🔴 High volume / High competition — use in description only
mood tracker music discovery app journal app
🟡 Medium volume / Medium competition — title + subtitle targets
music mood journal emotional diary music feelings tracker
🟢 Low competition / Niche — quick ranking wins
mood playlist generator Shazam mood diary emotional music discovery
ElementRecommended CopyChar Count
App Store TitleTuneFeels: Music Mood Diary27/30
SubtitleDiscover Songs by Feeling25/30
Primary CategoryMusic
05 — Scoring

Opportunity score

Market Size
7
Competition Level
6
Differentiation
7
Monetization Clarity
7
Tech Feasibility
8
ASO Opportunity
7
🟡 Overall: 7.0 / 10 — PAUSE

Unique concept at the intersection of mood tracking and music discovery, with perfect iOS 26.4 timing. However, Daylio (10M+ MAU) and Reflectly ($300K/mo) dominate mood tracking, and monetization for a hybrid app is unvalidated. The 6-month execution window before incumbents copy the feature is tight. Recommend validation phase before full build.

Biggest RiskBiggest Opportunity
Users may see this as 'another mood tracker' rather than a music discovery tool. Daylio could add music features quickly. iOS 26.4 APIs (Playlist Playground, offline Shazam) create a 6-12 month moat. Target music fans with 'Spotify discovery burnout' for higher conversion.
06 — Spec

MVP app spec

Register these in App Store Connect before opening Xcode.

Bundle ID and IAP product IDs must be created in App Store Connect first. Mismatches are the #1 cause of upload failures.

Bundle ID — register this first
com.tunefeels.app

Register in Apple Developer Portal → Certificates, IDs & Profiles → Identifiers

Monetization
Freemium + Lifetime

$4.99/mo premium or $24.99 lifetime. Free tier with 30-day history.

IAP Product IDs — create in App Store Connect → In-App Purchases
  • com.tunefeels.app.premium.monthly (Auto-Renewable — $4.99/mo)
  • com.tunefeels.app.premium.yearly (Auto-Renewable — $29.99/yr)
  • com.tunefeels.app.premium.lifetime (Non-Consumable — $24.99)
  • com.tunefeels.app.tip (Consumable — $2.99 Tip)
Tech Stack
  • iOS 17+, SwiftUI, Swift 6
  • @Observable for state
  • StoreKit 2 for IAP
  • Foundation Models on-device (zero cloud cost)
  • MusicKit, ShazamKit, Foundation Models, HealthKit
Target User
Music-Loving Mood Journaler

Music enthusiasts (18-35) who connect emotionally with songs and want to discover new music through their mood patterns. Apple Music subscribers who want deeper engagement.

MVP Core Features

#FeatureWhy It MattersSession
1Mood-to-Music AI JournalingCore value prop — log mood and AI generates matching playlist from your libraryS2
2iOS 26.4 Playlist Playground IntegrationLeverages brand-new Apple API for AI-powered playlist generationS2
3Offline Shazam Mood CaptureShazam a song and auto-tag with current mood — builds emotional music historyS5
4Mood Analytics & Music PatternsVisualize how your music taste correlates with emotional patterns over timeS6
5Concert Discovery by MoodiOS 26.4 Concerts API — recommend live shows from mood-linked artistsS7

9-Session Build Plan

S1
Scaffold + Auth
S2
Core mood journal + MusicKit playlist generation
S3
StoreKit 2 / IAP
S4
Onboarding flow
S5
ShazamKit mood capture + music library tagging
S6
Analytics dashboard + mood-music correlation engine
S7
Concerts API integration + social sharing
S8
Settings + account management
S9
Push notifications + TestFlight upload
DreamSeeds · App Research · 2026-03-19
TuneFeels Score: 7.0/10 PAUSE