Comparison

Stringflo vs Guitar Shark Tuner + Tools

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stringflo

Master the guitar fretboard with interactive note training, real-time pitch detection, and comprehensive theory tools. Practice with customizable challenges, visualize note positions, and track your progress to build fluency and deepen your understanding of the instrument.

Highlights
  • Randomized note challenges
  • Real-time pitch feedback
  • Fretboard visualization
  • Customizable practice sessions
  • Built-in tuner
  • Chord and scale theory tools
  • Progress tracking
Features
Read full description

Stringflo: Master the Guitar Fretboard Stringflo helps guitarists build real fretboard fluency through interactive note training, real-time pitch detection, theory tools, tuning support, and visual progress tracking. Practice with randomized note challenges, get instant feedback as you play, reveal fretboard positions when you need help, and customize your sessions by string, note, and sensitivity level. Then go deeper with built-in theory tools for chords, scales, CAGED shapes, intervals, fret numbers, and full-neck maps. Key Features • Randomized Note Challenges: Build fretboard fluency with dynamic practice prompts • Real-Time Pitch Feedback: Instantly see whether you’re playing the correct note • Fretboard Visualization: Reveal note positions and reinforce spatial memory • Customizable Practice: Select the exact strings and notes you want to train • Built-In Tuner: Tune and monitor pitch directly in the app • Theory Tools: Explore chords, scales, CAGED forms, intervals, notes, and fret numbers • Full Neck Maps: Study patterns across the fretboard with clear visual diagrams • Progress Tracking: Monitor practice history, speed, and consistency over time • Adaptive Sensitivity: Adjust pitch detection for different playing environments • Minimal Interface: Designed for clarity, focus, and fast learning Stringflo combines repetition, ear training, real-time feedback, and visual reinforcement to help you recognize notes faster and understand the fretboard more deeply. Whether you’re learning your first positions or refining advanced fretboard knowledge, Stringflo gives you focused tools for smarter practice.

About

Guitar Shark Tuner + Tools

This app offers a comprehensive suite of free guitar tools, including a tuner, chord library, and metronome. Unlock advanced features like ear training and jam tracks with an optional subscription.

Highlights
  • Chromatic tuner
  • Extensive chord library
  • Scale explorer
  • Metronome with tap tempo
  • Chord progression playback
  • Ear training modules
  • Practice streak tracker
Features
Read full description

Guitar Shark is the guitar toolkit with beautiful design, zero ads, and every core tool is free — forever. We built this because every guitar app we tried was either buried in ads, locked behind a paywall, or designed in 2012. Guitar Shark feels like it belongs on your iPhone. ◆ FREE TOOLS — NO ADS, NO CATCH • Chromatic Tuner — Fast, accurate, beautiful. See your note, cents offset, and pitch bar in real time. • Chord Library — 166 chords with interactive fretboard diagrams and multiple voicings. • Scale Explorer — 15 scales across all 12 keys with full CAGED position boxes. • Metronome — 30–300 BPM, tap tempo, 9 time signatures, plus Speed Trainer mode. • Chord Progressions — 12 common progressions in every key with audio playback. • Practice Streaks — Build your daily habit with a visual streak tracker. • Ear Training: Note ID — Free structured lessons from natural notes to all 12 chromatic tones. • Daily Challenge — A fresh practice prompt every day. ◆ SHARK MODE — UNLOCK EVERYTHING Ready to go deeper? Shark Mode takes your playing to the next level: • The Tank — 89 scale patterns and lick exercises across genres and difficulty levels. • Ear Training: Intervals & Chords — Recognize intervals and identify chord qualities by ear. • Jam Tracks — Backing tracks to practice improvisation over real progressions. • 6 Structured Courses — Ear Training, Circle of Fifths, Nashville Numbers, Intervals, Chord Construction, and Modes. Progress tracking with sequential lesson unlocks. ◆ BUILT BY GUITARISTS Every feature exists because we needed it ourselves. The tuner that’s actually fast. The chord library that doesn’t bury what you need. The pattern trainer that makes repetition feel like progress. No ads. No data collection. No account required. Works completely offline. ◆ SUBSCRIPTION Guitar Shark’s core tools are completely free. Shark Mode unlocks all premium features: • Monthly: $9.99/month • Yearly: $59.99/year (7-day free trial included) Payment is charged to your Apple ID at confirmation. Subscription auto-renews unless turned off at least 24 hours before the end of the current period. Manage subscriptions in Settings > Apple ID > Subscriptions. Terms of Use: https://guitarshark.app/terms Privacy Policy: https://guitarshark.app/privacy

Screenshots

Stringflo4 screens
Guitar Shark Tuner + Tools4 screens

Verdict

The call

The clearest difference is update cadence: Guitar Shark Tuner + Tools at weekly against Stringflo's every 4 months. Stringflo's advantage is iOS requirement (18.2 vs 26.2). On price, rating, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stringflo sells 2 in-app purchases, starting at $0.99 per month and Guitar Shark Tuner + Tools sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Stringflo against 5.0 for Guitar Shark Tuner + Tools. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

Stringflo ships an update every 4 months, Guitar Shark Tuner + Tools weekly. The most recent releases landed on September 26, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 7 level
Stringflo versus Guitar Shark Tuner + Tools: the parameters behind the verdict, then further details
ParameterStringfloGuitar Shark Tuner + Tools
PriceFreeFree
Rating5.0 (2 ratings)5.0 (2 ratings)
Number of ratings22
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.2 — better26.2
Further details — not scored
Size4 MB39 MB
Age rating4+4+
DeveloperOshry Ben-HarushZane Benton

Customer experience

Stringflo

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Guitar Shark Tuner + Tools

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Stringflo

Subscriptions2
  • Monthly subscription$0.991 Month
  • Monthly subscription3 Days trial$0.991 Month
2 purchases

Guitar Shark Tuner + Tools

Subscriptions2
  • Shark Mode Monthly$9.991 Month
  • Shark Mode Yearly7 Days trial$59.991 Year

Questions

Is Stringflo free?
Stringflo is free to download, with in-app purchases available.
Is Guitar Shark Tuner + Tools free?
Guitar Shark Tuner + Tools is free to download, with in-app purchases available.
Which has better reviews, Stringflo or Guitar Shark Tuner + Tools?
Stringflo and Guitar Shark Tuner + Tools are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do Stringflo or Guitar Shark Tuner + Tools have ads?
Neither Stringflo nor Guitar Shark Tuner + Tools shows ads.
Which is updated more often, Stringflo or Guitar Shark Tuner + Tools?
Stringflo ships an update every 4 months, and Guitar Shark Tuner + Tools weekly. Most recently, Stringflo was updated on September 26, 2026 and Guitar Shark Tuner + Tools on October 2, 2026.

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