Comparison

ToneAnchor vs GPMuse

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

Head to head
About

ToneAnchor

Features
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ToneAnchor is your reliable pitch companion for daily practice. Choose an arpeggio, set the octave, and shape the sound to fit your instrument or room. With quick key changes, tasteful timbre control, and responsive audio, it helps you center pitch fastβ€”perfect for long tones and rehearsal tune-ups across strings, winds, brass, and voice.

About

GPMuse

Features
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GPMuse is an intuitive music writing and notation tool for iOS. It provides a minimalist and smooth workspace, helping you quickly capture your musical ideas. KEY FEATURES: β€’ Visual Notation: Add, delete, and edit notes directly on the staff. Flexibly switch between clefs (Treble, Bass, Alto...). β€’ Diverse Rhythms: Customize the tempo of your score. Fully supports rhythms from basic to complex, including triplets. β€’ Harmony & Key Signatures: Quickly set key signatures and insert accurate chord symbols above the staff. β€’ Playback: Instantly play back your written score with high-quality audio to review your melodies. OPTIMIZED EXPERIENCE: β€’ User-friendly interface, specially optimized for touch gestures on iPhone and iPad. β€’ Full Dark Mode support to protect your eyes and improve focus. Terms of use: https://support.gpmuse.com/terms_of_use.html Privacy policy: https://support.gpmuse.com/privacy_policy.html

Screenshots

ToneAnchor4 screens
GPMuse4 screens

Verdict

The call

The clearest difference is iOS requirement: GPMuse at 18.6 against ToneAnchor's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ToneAnchor ships an update fortnightly, GPMuse every 2 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

Scorecard1 real difference Β· 5 level
ToneAnchor versus GPMuse: the parameters behind the verdict, then further details
ParameterToneAnchorGPMuse
PriceFreeFree
Update frequencyFortnightly β€” betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.018.6 β€” better
Further details β€” not scored
Size27 MB37 MB
Age rating4+4+
DeveloperStefan ReichHung Truong Khanh

In-app purchases

None

ToneAnchor

No in-app purchases

None

GPMuse

No in-app purchases

Questions

Is ToneAnchor free?
ToneAnchor is free to download, with no in-app purchases.
Is GPMuse free?
GPMuse is free to download, with no in-app purchases.
Do ToneAnchor or GPMuse have ads?
Neither ToneAnchor nor GPMuse shows ads.
Which is updated more often, ToneAnchor or GPMuse?
ToneAnchor ships an update fortnightly, and GPMuse every 2 weeks. Most recently, ToneAnchor was updated on October 12, 2026 and GPMuse on October 24, 2026.

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