# Poseidon Synth vs ID700

The clearest difference is rating: ID700 at 4.8 against Poseidon Synth's 4.0. ID700 also leads on review sentiment (88% vs 59%) and update cadence (monthly vs every 4 months). Poseidon Synth's advantage is price ($7.99 vs $12.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Poseidon Synth costs $7.99 and ID700 $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ID700 holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 33 and 128 respectively. Written reviews point the same way: 59% of Poseidon Synth's written reviews are positive against 88% of ID700's.

Poseidon Synth ships an update every 4 months, ID700 monthly. The most recent releases landed on August 4, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Poseidon Synth | ID700 |
| --- | --- | --- |
| Price | **$7.99** | $12.99 |
| Rating | [4.0 (33 ratings)](https://appshunter.io/ios/app/poseidon-synth/id1045058006/reviews) | **[4.8 (128 ratings)](https://appshunter.io/ios/app/id700/id1482698043/reviews)** |
| Number of ratings | 33 | **128** |
| Positive reviews | 58.8% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 328 MB | 51 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [Jonathan Schatz](https://appshunter.io/developer/1482698042) |

## What reviewers say

### Poseidon Synth

[App page](https://appshunter.io/ios/app/poseidon-synth/id1045058006)

Explore vast sonic landscapes with this advanced synthesizer. It combines analog synthesis with spectral modeling for unique sound design, offering powerful filters, spatialization, and a vast library of presets and sound models.

**Highlights:** Spectral model oscillator, F-Domain Filter with variable slope, Spatializer for stereo movement, Extensive sound browser, Arpeggiator with programmable sequences, Built-in effects suite

**In-app purchases:** none


### ID700

[App page](https://appshunter.io/ios/app/id700/id1482698043)

This app is a software synthesizer that recreates the voice architecture of the Buchla 700. It offers hybrid FM and waveshaping synthesis with extensive customization options for sound design. It functions as a standalone app or an AUv3 plugin for music production software.

**Highlights:** Hybrid FM and waveshaping synthesis, AUv3 and Standalone support, Twelve voices with unique algorithms, Fourteen complex envelopes per voice, Two waveshapers per voice, MPE capability, Scala scale file support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Poseidon Synth free?

Poseidon Synth costs $7.99, with no in-app purchases.

### Is ID700 free?

ID700 costs $12.99, with no in-app purchases.

### Which has better reviews, Poseidon Synth or ID700?

ID700 is rated higher. Poseidon Synth averages 4.0 out of 5 from 33 ratings, while ID700 averages 4.8 from 128 ratings.

### Do Poseidon Synth or ID700 have ads?

Neither Poseidon Synth nor ID700 shows ads.

### Which is updated more often, Poseidon Synth or ID700?

Poseidon Synth ships an update every 4 months, and ID700 monthly. Most recently, Poseidon Synth was updated on August 4, 2026 and ID700 on August 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.*