A vs Tuning Fork Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A
Easily generate a tuning tone with a single tap. Enhance convenience by setting up Siri Shortcuts for quick access, even adding them to your Home Screen or widgets. Adjust the frequency to your needs and enjoy a fuss-free tuning experience.
- Single-tap tone generation
- Adjustable frequency (435–445 Hz)
- Siri Shortcut integration
- Home Screen and widget shortcuts
- iPad Slide Over compatibility
Read full descriptionHide full description
A–440: Pro Tuner Tuning Fork puts an A in your ear. The rest is up to you. One tap is all it takes. A–440: Pro Tuner Tuning Fork gives you - ease of use - confidence - reliability - flexibility - customization - Siri integration "If you know how to tune your instrument, this should be all you need." A 14-day Trial is available. It is activated at no-cost and obligation-free. After the trial expires the sounding of an A is disabled until a license is purchased. Download A–440: Pro Tuner Tuning Fork now and experience the ease and simplicity of tuning.
Tuning Fork Pro
This app helps musicians tune their instruments by ear using precise tone generation. It offers a wide range of notes and calibration options with various waveform selections. The app is designed for ease of use and compatibility with external audio devices.
- Note generation from A1 to C7
- A4 Calibration (415Hz to 466Hz)
- Sine, Square, Triangle, Sawtooth waveforms
- Output volume control
- Precise tone emission algorithm
- External speaker compatibility
Read full descriptionHide full description
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!
Screenshots
Verdict
The clearest difference is price: A at Free against Tuning Fork Pro's $12.99. A also leads on ads (none vs shown) and review sentiment (61% vs 42%). Tuning Fork Pro's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (15.6 vs 17.5). On rating, 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
A is free to download; Tuning Fork Pro costs $12.99 up front. A sells 4 one-off in-app purchases and Tuning Fork Pro sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.4 for A against 4.3 for Tuning Fork Pro. That said, the two scores are not equally well evidenced: A has 185 ratings behind it against 35, so its average is the more settled of the two. Written reviews are what separate them: 61% of A's written reviews are positive against 42% of Tuning Fork Pro's.
A ships an update every 6 weeks, Tuning Fork Pro every 2 weeks. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.
| Parameter | A | Tuning Fork Pro |
|---|---|---|
| Price | Free — better | $12.99 |
| Rating | 4.4 (185 ratings) — better | 4.3 (35 ratings) |
| Positive reviews | 60.9% of reviews — better | 41.7% of reviews |
| Number of ratings | 185 — better | 35 |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.5 | 15.6 — better |
| Further details — not scored | ||
| Size | 4 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Richardson | Pedro Daniel Macalupu Cumpen |
Customer experience
A
Tuning Fork Pro
In-app purchases
A
- 14-day TrialFree
- A–440 Standard$2.99
- Upgrade to A–440 Premium$2.99
Show 1 moreShow fewer
- A–440 Premium$4.99
Tuning Fork Pro
- Remove adsFree
- A4 Calibration & HarmonicsFree
