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ToneTune
Overview
ToneTune
Know Your Tone Before They Do
Real-time tone analysis that catches passive-aggressive phrasing, emotional misfires, and risky wording before you hit send.
No subscriptions. No in-app purchases. ToneTune runs on-device with Apple Intelligence.
ToneTune — on-device, private, and built for iOSExplore features
Why This Exists
Sound familiar?
Without ToneTune
- Sending messages that sound harsher than you meant
- Getting told your email came off passive-aggressive
- Spending 20 minutes rewording a single paragraph
- Not knowing how your tone reads to others
With ToneTune
- Multi-axis tone scoring before you hit send
- Passive-aggressive phrasing flagged instantly
- One-tap rewrites matched to your intended tone
- Color-coded highlighting on every risky phrase
Workflow
How it works
A clean, three-step flow designed to get value in under a minute.
See your tone breakdown
Get a multi-axis analysis showing exactly how your words will land emotionally.
Rewrite and send
Tap flagged phrases for instant alternatives that match the tone you intended.
Capabilities
Everything you need, nothing you do not.
Core functionality focused on speed, privacy, and output quality.
Tone Dimension Analysis
Maps your message across multiple emotional dimensions — confidence, warmth, urgency, and more.
Passive-Aggressive Detection
Catches subtle hostility and backhanded phrasing most people miss.
One-Tap Rewrites
Instantly rephrase flagged sentences to match the tone you actually want.
Phrase Highlighting
Color-coded markup shows exactly which words are shifting your tone.
Loved By
Trusted by 2,000+ people
“Caught three passive-aggressive lines I didn't even notice.”
— Marketing director
“My emails finally land the way I intend them to.”
— Remote worker
Deep Dive
Built for real-world usage
Use Case 1
Beyond spell check
ToneTune reads emotional subtext the way a trusted colleague would — catching what autocorrect never will.
Tone analysis dashboard with dimension scores
Use Case 2
Context-aware rewrites
Suggestions adapt to whether you are writing to a client, a manager, or a friend.
Rewrite suggestions tailored to audience
Design
Crafted for iOS.
Familiar native interactions, polished surfaces, and layouts optimized for real use.
ToneTune
Know Your Tone Before They Do
ToneTune
Know Your Tone Before They Do
Support
Frequently asked questions
What devices are supported?+
Requires iPhone 15 Pro or newer running iOS 18.1+ with Apple Intelligence enabled.
Is my data sent to the cloud?+
No. Processing stays on your device. We do not collect usage data or store your content.
Can it analyze messages in other languages?+
Currently optimized for English. Additional language support is planned.
Still stuck?
Email support@trygrove.dev and include your iOS version, device model, and what happened.
Privacy
Private by design
Your data stays on your device. No cloud upload, no analytics tracking, and no account required.
Help
Have questions that need answers?
Check docs first, then contact us with details so we can help quickly.
Docs
Step-by-step guides and troubleshooting for ToneTune.
Contact
Reach us directly for bug reports, account issues, or product questions.
Privacy
See exactly how on-device processing works and what we do not collect.
Get Started
Ready to try ToneTune?
No subscriptions. No data collection. Just fast, private, on-device results.
Download on the App Store