# Geo Synthesizer vs Pulsar

The clearest difference is rating: Pulsar at 4.3 against Geo Synthesizer's 3.3. Pulsar also leads on update cadence (every 3 weeks vs every 11 months) and price ($4.99 vs $9.99). Geo Synthesizer's advantage is iOS requirement (9.0 vs 13.0). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Geo Synthesizer costs $9.99 and Pulsar $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pulsar holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 19 and 7 respectively. Written reviews complicate that: 68% of Geo Synthesizer's written reviews are positive against 67% of Pulsar's, so the app with the better star average is not the one people write more warmly about.

Geo Synthesizer ships an update every 11 months, Pulsar every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Geo Synthesizer | Pulsar |
| --- | --- | --- |
| Price | $9.99 | **$4.99** |
| Rating | [3.3 (19 ratings)](https://appshunter.io/ios/app/geo-synthesizer/id465224352/reviews) | **[4.3 (7 ratings)](https://appshunter.io/ios/app/pulsar-es-drum-machine/id1661825756/reviews)** |
| Number of ratings | **19** | 7 |
| Positive reviews | **68.4% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 27 MB | 69 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wizdom Music LLC](https://appshunter.io/developer/377345351) | [Dmytro Kiro](https://appshunter.io/developer/1621893756) |

## What reviewers say

### Geo Synthesizer

[App page](https://appshunter.io/ios/app/geo-synthesizer/id465224352)

This app is an expressive musical instrument and MIDI controller designed for multitouch surfaces. It offers advanced pitch control, custom sounds, and the ability to control external instruments or virtual MIDI apps. It also supports AudioBus for interconnecting audio apps.

**Highlights:** Expressive multitouch interface, Advanced pitch bending, MIDI output, AudioBus support, Customizable performance menus, Multiple temperament options, Load SampleWiz presets

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Innovative and expressive instrument
- 👍 Intuitive and adjustable interface
- 🚀 Fast and responsive performance
- 🎶 Great sound quality
- 🎛️ Excellent MIDI controller capabilities

**What reviewers complain about**

- 🐛 Glitchy sound on iPad Pro
- ❌ App not working correctly
- 🗑️ Abandoned by developer
- ❓ Mistaken purchase
- 🚫 No longer works on iPadOS

**Reported bugs**

- Glitchy sound on iPad Pro
- App not working correctly
- No longer works on iPadOS
- Clicking sound on iPhone 6
- Core MIDI not working like before (iOS 9)

**Requested features**

- Update for iPadOS
- Fix glitchy sound on iPad Pro
- Support for Bluetooth MIDI
- Refund option
- Fix zooming issue on iPhone 11


### Pulsar

[App page](https://appshunter.io/ios/app/pulsar-es-drum-machine/id1661825756)

This music app provides a virtual drum machine with 8 pads for improvising and playing along to built-in rhythm presets. It features real-time rhythm switching, tempo control, and various effects. It also supports Ableton Link and MIDI for seamless integration with other music software and hardware.

**Highlights:** 8-pad drum machine, Built-in rhythm presets, Real-time rhythm switching, Tempo and accent control, Drive, reverb, and filter effects, Ableton Link synchronization, MIDI In/Out support, AUv3 compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Geo Synthesizer free?

Geo Synthesizer costs $9.99, with no in-app purchases.

### Is Pulsar free?

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

### Which has better reviews, Geo Synthesizer or Pulsar?

Pulsar is rated higher. Geo Synthesizer averages 3.3 out of 5 from 19 ratings, while Pulsar averages 4.3 from 7 ratings.

### Do Geo Synthesizer or Pulsar have ads?

Neither Geo Synthesizer nor Pulsar shows ads.

### Which is updated more often, Geo Synthesizer or Pulsar?

Geo Synthesizer ships an update every 11 months, and Pulsar every 3 weeks. Most recently, Geo Synthesizer was updated on November 1, 2026 and Pulsar on November 3, 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.*