Comparison

iDiapason vs Tone Generator

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

Head to head
About

iDiapason

This app provides a precise digital tuning fork for musicians and choir directors. It offers a clean interface with reference pitches and a unique shake-to-play gesture, delivering an authentic and distraction-free tuning experience.

Highlights
  • Reference pitches (435-444 Hz)
  • Real recorded tuning fork sound
  • Shake-to-play interaction
  • Smooth audio fade-out
  • Visual feedback animation
  • Minimalist design
Features
Read full description

iDiapason is a refined digital tuning fork designed for choir directors, singers and musicians who require precision and simplicity. With a clean and distraction-free interface, the app provides an immediate reference pitch activated by a natural shake gesture — just like striking a real tuning fork. Features: • Reference pitches: 440 Hz, 441 Hz, 442 Hz, 444 Hz. 435 Hz and 432 Hz • Real recorded tuning fork sound • Shake-to-play interaction • Smooth audio fade-out • Visual feedback animation • Optimized for modern iPhone devices iDiapason is ideal for: • Choir rehearsals • Vocal warm-ups • A cappella groups • Music lessons • Instrument tuning reference Built for reliability and clarity, iDiapason delivers an authentic tuning experience in a minimal and elegant design. No ads. No distractions. Just pitch.

About

Tone Generator

Generate precise audio tones for tuning instruments, testing sound equipment, or practicing ear training. This app offers a clean, focused experience with no ads or accounts, working offline for instant reference.

Highlights
  • Reference tone generation
  • Note or Hz input
  • Offline functionality
  • Instrument tuning
  • Sound equipment testing
  • Ear training
  • Save favorite tones
Features
Read full description

Tone Generator gives you a clean reference tone in seconds. Choose a musical note or type an exact Hz value, press play, and hear a steady tone right away. Built for tuning, training, and sound checks. Tone Generator is intentionally focused: no accounts, no ads, and it works offline. Use it like a tuning fork when you just need a reliable pitch, or use it as a frequency generator when you need repeatable, numeric precision. What you can do with Tone Generator - Tune instruments with a stable reference note - Run a fast sound test on speakers, headphones, and interfaces - Practice ear training with consistent tones and intervals - Demonstrate wave basics, resonance, and generation frequency in class - Save favorites for quick access Common ways people use Tone Generator 1. Match a note while tuning guitar, bass, violin, voice, or synth 2. Sweep slowly with a test tone generator to find rattles and distortion 3. Train pitch recognition with a pure tone generator for intervals 4. Support a tuning fork auditory test routine with a consistent reference 5. Set exact targets for repeatable sessions using tone generator hz control Simple controls that stay out of your way ▸ Note mode for quick musical references and a music tone generator workflow ▸ Hz mode for a precise frequency tone generator value ▸ Smooth volume control for safe listening ▸ Favorites and recent tones for one-click access ▸ Clean playback that behaves like a sine tone generator When you need quick diagnostics, it can act as a sound tone generator with instant start and stop. When you need numbers, it becomes a hertz tone generator you can trust. And when you need a dependable signal for gear checks, it works as an audio tone generator without extra setup. Useful presets and shortcuts • Concert A and other common tuning references • Practical ranges for speaker checks and headphone tests • Fast access to the last used frequency Tuning with Tone Generator feels straightforward 1. Pick a note and start playback 2. Listen for beating as you get close 3. Adjust your instrument until the beating disappears Troubleshooting workflows that work well ▸ Check left and right channels using the same reference tone ▸ Compare two devices with the exact same Hz setting ▸ Sweep a range to spot harsh peaks, nulls, or cabinet buzz ▸ Confirm smooth volume changes without sudden jumps Audio checks that feel effortless - Play a fixed tone to confirm an interface or cable is working - Use short bursts to test for speaker rub or room resonances - Repeat the same setting across sessions for consistent comparisons Best practices - Start low, then raise volume gradually during any sound test - Avoid long exposure to high frequencies at high volume - For tuning, listen for beating and adjust until it settles - Use headphones carefully and keep levels comfortable Why Tone Generator stays simple Tone Generator is a straightforward tone generator app who want a single tool that opens fast and does the job. Tone Generator is useful in rehearsal, at a desk, in a studio, or in a classroom. Who Tone Generator is for 1. Musicians who want a tuning fork style reference that is always available 2. Creators who need an audio frequency generator for repeatable checks 3. Teachers who want clear examples with stable tones 4. Anyone who wants a frequency generator app that works offline Tone Generator opens quickly and remembers the last tone. Keep Tone Generator in your Dock so Tone Generator is always ready. Tone Generator can also serve as a frequency sound generator or a sound frequency generator when you’re verifying speakers, interfaces, or room response. Set it once, hit play, and get a clean, consistent tone with Tone Generator. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

iDiapason1 screens
Tone Generator1 screens

Verdict

The call

The clearest difference is in-app purchases: iDiapason at none against Tone Generator's 2. iDiapason also leads on iOS requirement (16.6 vs 18.0). Tone Generator's advantage is update cadence (every 6 weeks vs every 202 months). On price, review sentiment, ads and device support 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. Tone Generator sells 2 in-app purchases, starting at $2.99 per 7 days. iDiapason asks for nothing beyond the download.

UpkeepUpdate frequency

iDiapason ships an update every 202 months, Tone Generator every 6 weeks. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
iDiapason versus Tone Generator: the parameters behind the verdict, then further details
ParameteriDiapasonTone Generator
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 202 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.6 — better18.0
Further details — not scored
Size3 MB5 MB
Age rating17+4+
DeveloperPunctus Multimediaextensions.ee

Customer experience

iDiapason

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Tone Generator

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

iDiapason

No in-app purchases

2 purchases

Tone Generator

Subscriptions2
  • Weekly subscription$2.997 Days
  • Yearly subscription$29.991 Year

Questions

Is iDiapason free?
iDiapason is free to download, with no in-app purchases.
Is Tone Generator free?
Tone Generator is free to download, with in-app purchases available.
Do iDiapason or Tone Generator have ads?
Neither iDiapason nor Tone Generator shows ads.
Which is updated more often, iDiapason or Tone Generator?
iDiapason ships an update every 202 months, and Tone Generator every 6 weeks. Most recently, iDiapason was updated on October 7, 2026 and Tone Generator on October 18, 2026.

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