# Polywave vs SAI 2022

The clearest difference is in-app purchases: SAI 2022 at none against Polywave's 1. SAI 2022 also leads on update cadence (weekly vs every 3 months). Polywave's advantage is review sentiment (80% vs 50%) and device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Polywave sells 1 one-off in-app purchase. SAI 2022 asks for nothing beyond the download.

Polywave ships an update every 3 months, SAI 2022 weekly. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Polywave | SAI 2022 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34 ratings)](https://appshunter.io/ios/app/polywave-wavetable-synth/id1579538271/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | **80.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 109 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fingerlab](https://appshunter.io/developer/412786610) | [eplus inc.](https://appshunter.io/developer/465887676) |

## What reviewers say

### Polywave

[App page](https://appshunter.io/ios/app/polywave-wavetable-synth/id1579538271)

Create unique, evolving sonic experiences with a novel wavetable sequencer inspired by vintage synths. Draw your own waveforms, explore a vast library, and connect to external keyboards or DAWs. Record your creations directly within the app.

**Highlights:** Wavetable sequencer, Custom waveform drawing, Expansive waveform library, 100+ factory presets, MIDI and Audio Unit support, Live recording module, 8-voice polyphony

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $11.99 | one-time |


### SAI 2022

[App page](https://appshunter.io/ios/app/sai-2022/id1631520304)

This official app provides essential information for the SAITAMA ROCK FESTIVAL "SAI". Access artist playlists, view area maps, and receive important notifications to enhance your festival experience.

**Highlights:** Artist playlist previews, Area map information, Notification features, Festival event details, Official event guide

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Polywave free?

Polywave is free to download, with in-app purchases available.

### Is SAI 2022 free?

SAI 2022 is free to download, with no in-app purchases.

### Do Polywave or SAI 2022 have ads?

Neither Polywave nor SAI 2022 shows ads.

### Which is updated more often, Polywave or SAI 2022?

Polywave ships an update every 3 months, and SAI 2022 weekly. Most recently, Polywave was updated on October 23, 2026 and SAI 2022 on October 21, 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.*