Tuning Fork vs H Ison
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tuning Fork
Read full descriptionHide full description
Never be out of tune again. The ultimate reference tool for your wrist. Whether you are a choir director needing a quick pitch, a guitarist tuning on the fly, or an orchestra player adjusting to A442, Tuning Fork for Apple Watch is the precision tool you can always carry with you. We stripped away the clutter to give you exactly what you need: a pure, accurate sound wave generated instantly. KEY FEATURES - Precision Frequency Control: Simply rotate the Digital Crown to adjust the frequency. Fine-tune your reference pitch in 1Hz or 0.1Hz increments. - Custom Tuning Standards: Ranges from the standard A440 Hz to historical or custom tunings (perfect for those who prefer alternative tunings such as 432 Hz). - Pure Sine Wave: Generates a clean, high-fidelity audio signal that mimics a physical tuning fork perfectly, making it easy to hear and match. - Visual Simplicity: A clean, distraction-free high-contrast interface designed for quick interactions during dark stage performances or rehearsals. - Always With You: Works completely standalone on Apple Watch. No iPhone connection is needed to operate. Ideal for: - Singers & Choirs: Get your starting note discreetly before singing. - String Players: Tune your violin, cello, or guitar accurately anywhere. - Piano Tuners: A handy backup reference always on your arm. Stay sharp, stay flat, or stay perfect. The choice is yours. Download Tuning Fork today.
H Ison
Read full descriptionHide full description
H-Ison - Aplicație profesională de ison bizantin pentru psalți și coruri. Funcții: • 8 note bizantine (Δη, Κε, Ζω, Νη, Πα, Βου, Γα, Δη) • Modulator pentru microtonuri • Mod x2 pentru ison dublu • Metronom silențios (oscilație volum) • Reverb de catedrală (disponibil în varianta PRO) • Tuner vocal integrat (disponibil în varianta PRO) • Înregistrare audio Ideal pentru: - Psalți și dascăli - Coruri bisericești - Studenți la muzică bizantină
Screenshots
Verdict
The clearest difference is price: Tuning Fork at $1.99 against H Ison's $19.99. H Ison's advantage is update cadence (monthly vs every 5 months) and iOS requirement (15.1 vs 17.0). On ads, in-app purchases 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
Tuning Fork costs $1.99 and H Ison $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Tuning Fork ships an update every 5 months, H Ison monthly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.
| Parameter | Tuning Fork | H Ison |
|---|---|---|
| Price | $1.99 — better | $19.99 |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 3 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Simone Saleri | ILIE EMANUIL ALEXANDRU RADUCANU |
In-app purchases
Tuning Fork
No in-app purchases
H Ison
No in-app purchases









