Tuning Fork Pro Downloads & RevenueTuning Fork Pro · App Store
Diapason Pro
Not in any tracked top chart right now.
Updated 10 Nov 2026 · rankings refresh through the day
DeveloperPedro Daniel Macalupu Cumpen
CategoryMusic
Price7.99 EUR
Released
Rating★ 4.0 (63)
Version1.7
Age rating4+
First seen by us
13 Oct 2026
13 Oct 2026Installs (est.)10k+ worldwide
📈Dropped out of every chart we track💰Price rise📈Entered the top 100🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 6 events in the last 12 months
- 📈Tuning Fork Pro dropped out of every chart we trackLast seen 18 Oct
- 💰Tuning Fork Pro: price rise7.99 EUR → 9.99 EUR · FR
- 📈Tuning Fork Pro entered the top 100Top Paid · Music · FR
- 📈Tuning Fork Pro charting in a new countryFrance
- 🆕Tuning Fork Pro first spotted by AppInsider#8 in Top Paid · Music · United Kingdom
- 🆕Tuning Fork Pro released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.0 ★
63 ratings
Measured
Tuning Fork Pro on the App Store
App details
App ID
1390334198
Publisher
Pedro Daniel Macalupu Cumpen
On the store since
Jun 2018
8 years on the store
Minimum OS
iOS 15.6+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
33
AR HY CA CS DA NL EN FI FR DE EL HE …
Size
11 MB
Also listed in
Utilities
Tuning Fork Pro downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Tuning Fork Pro makes money: subscriptions, one-off purchases and ads.
Ads · 1 ad networks
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.0 ★
63 ratings
Measured
Ratings
63
Measured
About Tuning Fork Pro
Tune your musical instruments by ear with precision and ease!
· Generate notes from A1 to C7 in 4 different waveforms
· A4 Calibration from 415Hz to 466Hz
· 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!
· Generate notes from A1 to C7 in 4 different waveforms
· A4 Calibration from 415Hz to 466Hz
· 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!
Latest updates
1.7
· Optimization for the iPhone 17 Pro Max, iPad Mini and latest iPads.
· Performance improvements and bug fixes
Store changes
What Tuning Fork Pro changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Price rise 
7.99 EUR → 9.99 EUR
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