# TV3 vs SyncStep

The clearest difference is price: SyncStep at Free against TV3's $6.99. SyncStep also leads on update cadence (every 3 weeks vs every 10 months). TV3's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

SyncStep is free to download; TV3 costs $6.99 up front. SyncStep sells 1 in-app purchase, starting at $2.99 per month. TV3 asks for nothing beyond the download.

TV3 ships an update every 10 months, SyncStep every 3 weeks. The most recent releases landed on September 15, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | TV3 | SyncStep |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.9 (12 ratings)](https://appshunter.io/ios/app/tv3-acid-synth/id6740451858/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 220 MB | 69 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Imaginando Lda](https://appshunter.io/developer/895445015) | [Yue Wu](https://appshunter.io/developer/1801622973) |

## What reviewers say

### TV3

[App page](https://appshunter.io/ios/app/tv3-acid-synth/id6740451858)

Create iconic acid basslines with this powerful yet user-friendly synthesizer. Inspired by the classic TB-303, it offers dual oscillators, a resonant low-pass filter, versatile distortion, and a pattern generator for endless musical possibilities.

**Highlights:** Dual Oscillators (Square/Sawtooth), 24 dB/oct Low-Pass Filter, Envelope Controls, Versatile Distortion Modes, Quick Sound Randomization, Pattern Generator, MIDI Export

**In-app purchases:** none


### SyncStep

[App page](https://appshunter.io/ios/app/syncstep/id6755161749)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SyncStep+ | $2.99 | per month |


## Frequently asked questions

### Is TV3 free?

TV3 costs $6.99, with no in-app purchases.

### Is SyncStep free?

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

### Do TV3 or SyncStep have ads?

Neither TV3 nor SyncStep shows ads.

### Which is updated more often, TV3 or SyncStep?

TV3 ships an update every 10 months, and SyncStep every 3 weeks. Most recently, TV3 was updated on September 15, 2026 and SyncStep on September 13, 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.*