Comparison

Tone Generator Professional vs ChordBaker

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

Head to head
About

Tone Generator Professional

Create precise audio tones from 20Hz to 20,000Hz using four distinct waveforms. Adjust output volume and enjoy instant loading with a highly accurate algorithm. This universal app is compatible with external speakers and all iOS devices.

Highlights
  • Generate tones from 20Hz to 20,000Hz
  • Sine, Square, Triangle, and Sawtooth waveforms
  • Adjustable output volume
  • Instant load and precise algorithm
  • Compatible with external speakers
  • Universal app for iPhone, iPad, and iPod touch
Features
Read full description

Generate tones from 20Hz to 20,000Hz in 4 different waveforms! · Sine, Square, Triangle and Sawtooth waveforms · Output volume setting · Instant load and most precise algorithm for tone emission. · Compatible with external speakers · 64-bit Universal app, works with iPhone, iPad and iPod touch!

About

ChordBaker

Create accurate, harmony-focused chord charts quickly for songwriting, teaching, or learning music. Features advanced notation, key analysis, and instant transposition. Export to PDF or share editable files.

Highlights
  • Build chord charts quickly
  • Harmony-first workflow
  • Advanced chord notation
  • View chord tones and degrees
  • Instant transposition
  • Export to PDF
  • Share editable files
Features
Read full description

Build harmony-oriented chord charts faster. Whether you’re writing songs, teaching, arranging, or learning covers, ChordBaker helps you create clean, accurate charts in seconds — with tools designed for musicians who think in chords, not lyrics. Features: • Build chord charts quickly • Harmony-first workflow: lyrics optional • Advanced notation (slash chords, sus/maj/add/altered voicings) • See chord tones at a glance • Choose a key and view chord degrees • Transpose instantly • Smart rules prevent impossible or nonsensical chord combos • Export to PDF or share editable files • Clean, print-ready formatting • Great for practice, teaching, rehearsals, or creating setlists You can also use the free web version (core features included) at ChordBaker.com. By using ChordBaker, you agree to Apple’s Standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Tone Generator Professional2 screens
ChordBaker4 screens

Verdict

The call

The clearest difference is price: ChordBaker at Free against Tone Generator Professional's $14.99. ChordBaker also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 months). Tone Generator Professional's advantage is ratings volume (9 vs 3). On in-app purchases, device support and iOS requirement 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

ChordBaker is free to download; Tone Generator Professional costs $14.99 up front. Tone Generator Professional sells 1 one-off in-app purchase and ChordBaker sells 5 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ChordBaker holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 9 and 3 respectively.

UpkeepUpdate frequency

Tone Generator Professional ships an update every 5 months, ChordBaker every 2 days. The most recent releases landed on September 22, 2026 and September 4, 2026 respectively.

Scorecard6 real differences · 4 level
Tone Generator Professional versus ChordBaker: the parameters behind the verdict, then further details
ParameterTone Generator ProfessionalChordBaker
Price$14.99Free — better
Rating4.7 (9 ratings)5.0 (3 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings9 — better3
Update frequencyEvery 5 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size11 MB41 MB
Age rating4+4+
DeveloperPedro Daniel Macalupu CumpenTomas Ferrari

Customer experience

Tone Generator Professional

All ratings9 ratings
Positive88.9%
Neutral11.1%
Negative0.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

ChordBaker

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Tone Generator Professional

One-time1
  • Remove ads$1.99
5 purchases

ChordBaker

Subscriptions4
  • ProMonthly$0.991 Month
  • ProYearly$8.991 Year
  • Johann Sebastian$19.991 Month
Show 1 more
  • Johann Sebastian$199.991 Year
One-time1
  • ProLifetime$49.99

Questions

Is Tone Generator Professional free?
Tone Generator Professional costs $14.99, and also offers in-app purchases.
Is ChordBaker free?
ChordBaker is free to download, with in-app purchases available.
Which has better reviews, Tone Generator Professional or ChordBaker?
ChordBaker is rated higher. Tone Generator Professional averages 4.7 out of 5 from 9 ratings, while ChordBaker averages 5.0 from 3 ratings.
Do Tone Generator Professional or ChordBaker have ads?
Tone Generator Professional shows ads; ChordBaker does not.
Which is updated more often, Tone Generator Professional or ChordBaker?
Tone Generator Professional ships an update every 5 months, and ChordBaker every 2 days. Most recently, Tone Generator Professional was updated on September 22, 2026 and ChordBaker on September 4, 2026.

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