# strng vs PolyPhase

The clearest difference is price: strng at $4.99 against PolyPhase's $19.99. strng also leads on review sentiment (84% vs 76%) and device support (3 vs 1). PolyPhase's advantage is update cadence (every 3 weeks vs every 4 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

strng costs $4.99 and PolyPhase $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for strng against 4.6 for PolyPhase. Both are backed by a comparable volume of ratings — 35 and 26 respectively. Written reviews are what separate them: 84% of strng's written reviews are positive against 76% of PolyPhase's.

strng ships an update every 4 months, PolyPhase every 3 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | strng | PolyPhase |
| --- | --- | --- |
| Price | **$4.99** | $19.99 |
| Rating | **[4.7 (35 ratings)](https://appshunter.io/ios/app/strng/id993782289/reviews)** | [4.6 (26 ratings)](https://appshunter.io/ios/app/polyphase/id1440617668/reviews) |
| Number of ratings | **35** | 26 |
| Positive reviews | **84.4% of reviews** | 76.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 4 MB | 35 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Erik Sigth](https://appshunter.io/developer/385275335) | [Marcos Kohler](https://appshunter.io/developer/1024379665) |

## What reviewers say

### strng

[App page](https://appshunter.io/ios/app/strng/id993782289)

This app generates plucked string sounds using a physical modeling synthesis engine. It offers polyphonic voices, a built-in keyboard, and MIDI control. Shape your sound with delay and resonant filters, and integrate with other music apps.

**Highlights:** Physical modeling string synthesis, 16 voice polyphony, Built-in 25-key keyboard with aftertouch, MIDI controller support (USB/Wi-Fi), Stereo ping-pong delay, Two-channel resonant filter with LFOs, Audiobus, IAA, and AUv3 support

**Features:** Vision Pro support

**In-app purchases:** none


### PolyPhase

[App page](https://appshunter.io/ios/app/polyphase/id1440617668)

Create complex, interwoven melodies and rhythms with a generative sequencer. Control note generation, randomize sequences, and integrate with external MIDI hardware or the included wavetable synthesizer. Save and recall your creations with presets and snapshots.

**Highlights:** Generative melody creation with phase offsets, 8 independent sequencers with customizable properties, Draw own notes or use intelligent randomization, Wavetable synthesizer with FX, MIDI output and input support, Global Key/Scale filtering and Chord Masks, Save/Load presets and Snapshots

**In-app purchases:** none


## Frequently asked questions

### Is strng free?

strng costs $4.99, with no in-app purchases.

### Is PolyPhase free?

PolyPhase costs $19.99, with no in-app purchases.

### Which has better reviews, strng or PolyPhase?

strng is rated higher. strng averages 4.7 out of 5 from 35 ratings, while PolyPhase averages 4.6 from 26 ratings.

### Do strng or PolyPhase have ads?

Neither strng nor PolyPhase shows ads.

### Which is updated more often, strng or PolyPhase?

strng ships an update every 4 months, and PolyPhase every 3 weeks. Most recently, strng was updated on October 7, 2026 and PolyPhase on October 7, 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.*