PD1 vs Guitar Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PD1
This app simulates classic analog delay pedals, offering a meaner grit with a ladder filter and random delay-line noise. It's an audio-unit effect designed for musicians seeking unique delay sounds.
- Analog delay simulation
- Ladder filter for meaner grit
- Random delay-line noise
- Audio-unit effect plugin
- Classic pedal sound recreation
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PD-1 is an analog delay simulation audio plug-in and app that recreates the sounds of classic analog delay pedals with the twist of significantly meaner girt from a ladder filter and random delay-line noise.
Guitar Tuner
This app helps musicians tune their instruments with precision using various modes and offers over 100 tuning options. It also includes drum beats for jamming and a metronome to keep rhythm.
- Precise instrument tuner
- 100+ tuning options
- Drum beats for jamming
- Built-in metronome
- Support for guitar, bass, ukulele
- Left-handed mode
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Hey there, fellow musician! Ready to get your strings in perfect harmony? Meet your new best friend, the Stringo app! Whether you're a beginner or a pro, we've got all the features you need to keep your instrument sounding its best. Why You'll Love It: - Easy-to-Use & Precise Tuner: Simple interface, powerful results. You'll be in tune in no time! - 6 Instruments: Guitars, bass, and ukulele. We've got you covered! And we're adding more soon! - Drum Beats: Jam along with 200+ drum loops across 15 genres! - 100+ Tuning Options: Tons of tunings for every style and genre. - Metronome: Keep your rhythm tight with our built-in metronome! - Expert-Level Accuracy Tuning: Even the pros will be wowed by our precision. - Auto & Manual Modes for Strings Tuning: Let us handle it or take control yourself—up to you! More Pro Features to Use: - Left-Handed Mode: Because everyone deserves to play comfortably. - High Accuracy Mode: For those times when you need to be pitch-perfect. - Manual Calibration: Fine-tune to your heart's content. Download Stringo app now and make your tuning sessions smoother and more accurate than ever. Your perfect sound is just a tap away! Have any questions, suggestions, complaints? Please drop us a line at support@tinyboom.com. Privacy Policy: https://tinyboom.com/privacy-policy/ Terms of Services: https://tinyboom.com/terms-of-service/
Screenshots
Verdict
The clearest difference is review sentiment: PD1 at 100% against Guitar Tuner's 50%. PD1 also leads on in-app purchases (none vs 3) and update cadence (every 6 days vs every 2 weeks). Guitar Tuner's advantage is price (Free vs $3.99). On ads, 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
Guitar Tuner is free to download; PD1 costs $3.99 up front. Guitar Tuner sells 3 in-app purchases, starting at $4.99 per 7 days. PD1 asks for nothing beyond the download.
PD1 ships an update every 6 days, Guitar Tuner every 2 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.
| Parameter | PD1 | Guitar Tuner |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 4.7 (76 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | — | 76 — better |
| Update frequency | Every 6 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.5 — better | 18.0 |
| Further details — not scored | ||
| Size | 10 MB | 220 MB |
| Age rating | 4+ | 4+ |
| Developer | Pedro Yamada | Tiny Boom Ltd. |
Customer experience
PD1
Guitar Tuner
In-app purchases
PD1
No in-app purchases
Guitar Tuner
- Guitar Tuner Pro$4.997 Days
- Guitar Tuner Pro3 Days trial$4.997 Days
- Guitar Tuner Pro$29.991 Year
