# Santoor HD vs PolyQuad

The clearest difference is rating: PolyQuad at 5.0 against Santoor HD's 4.3. PolyQuad also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 3 months). Santoor HD's advantage is ratings volume (157 vs 3) and price ($2.99 vs $6.99). On ads and device support there is nothing between them.

Santoor HD costs $2.99 and PolyQuad $6.99 up front. Santoor HD sells 1 one-off in-app purchase. PolyQuad asks for nothing beyond the download.

PolyQuad holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Santoor HD has 157 ratings behind it against 3, so its average is the more settled of the two.

Santoor HD ships an update every 3 months, PolyQuad every 2 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Santoor HD | PolyQuad |
| --- | --- | --- |
| Price | **$2.99** | $6.99 |
| Rating | [4.3 (157 ratings)](https://appshunter.io/ios/app/santoor-hd/id529433654/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/polyquad/id6803790337/reviews)** |
| Number of ratings | **157** | 3 |
| Positive reviews | 84.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 29 MB | 4 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Software-Kitchen](https://appshunter.io/developer/494057596) | [LASZLO DOBROVOLSZKI](https://appshunter.io/developer/6779159106) |

## What reviewers say

### Santoor HD

[App page](https://appshunter.io/ios/app/santoor-hd/id529433654)

Experience the traditional Santoor instrument with realistic sound and touch controls. Play individual notes, create vibrate effects by sliding, and even play semitones. Record and playback your musical creations with loop and fast-forward options.

**Highlights:** Realistic Santoor instrument simulation, Individual string touch for notes, Vibrate effect with horizontal sliding, Semitone playback option, Record and playback functionality, Loop and fast-forward playback

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Santoor HD - No Ads | $3.99 | one-time |

**What reviewers like**

- 🎵 Beautiful and realistic instrument sound quality
- 👍 Intuitive and easy-to-use interface
- 🎸 Authentic santoor/harp playing experience
- 😌 Relaxing and meditative app for stress relief
- 🎹 Recording feature for capturing musical creations

**What reviewers complain about**

- 🐛 Crashes on startup for many users
- ⚠️ Incompatible with iOS 11 and newer versions
- 💰 Aggressive monetization with paywalls for semitones
- 🔒 Locked features requiring payment
- 📱 Freezes and hangs during use

**Reported bugs**

- App crashes immediately upon opening
- Freezes on startup screen with stuck audio
- Black screen with continuous sound on launch
- Incompatible with iOS 10.2 and later versions
- Popup keyboard fails to appear when saving recordings

**Requested features**

- iOS 11+ compatibility and regular updates
- Note labels on strings for non-harp players
- Ability to layer and edit recorded tracks
- Audio input/output functionality
- Better pitch control options


### PolyQuad

[App page](https://appshunter.io/ios/app/polyquad/id6803790337)

Create complex analog-style synthesizer sounds using four independent voices. Design each voice with its own oscillator, filter, and envelopes, then combine them in various modes for massive layered textures, polyphonic chords, or unique stereo arrangements. Explore a vast library of presets or build your own from scratch.

**Highlights:** Four independent analog-style voices, Multiple oscillator and filter types per voice, Dual envelope generators per voice, Three voice combination modes (UNI, POLY, 2x2), Extensive LFO modulation capabilities, Integrated effects unit (reverb, delay, chorus, phaser, drive), 160 factory presets and user preset management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Santoor HD free?

Santoor HD costs $2.99, and also offers in-app purchases.

### Is PolyQuad free?

PolyQuad costs $6.99, with no in-app purchases.

### Which has better reviews, Santoor HD or PolyQuad?

PolyQuad is rated higher. Santoor HD averages 4.3 out of 5 from 157 ratings, while PolyQuad averages 5.0 from 3 ratings.

### Do Santoor HD or PolyQuad have ads?

Neither Santoor HD nor PolyQuad shows ads.

### Which is updated more often, Santoor HD or PolyQuad?

Santoor HD ships an update every 3 months, and PolyQuad every 2 weeks. Most recently, Santoor HD was updated on October 26, 2026 and PolyQuad on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*