# ostinata vs JenDie

The clearest difference is price: ostinata at Free against JenDie's $4.99. ostinata also leads on update cadence (every 9 days vs every 3 weeks). JenDie's advantage is iOS requirement (12.0 vs 17.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

ostinata is free to download; JenDie costs $4.99 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 — 5.0 for ostinata against 5.0 for JenDie. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ostinata ships an update every 9 days, JenDie every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ostinata | JenDie |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ostinata/id6762445694/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/jendie-analog-synth/id6781621147/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | **Free** | Paid |
| Size | 2 MB | 33 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joachim Groeger](https://appshunter.io/developer/1887008617) | [Diego Capoccitti](https://appshunter.io/developer/1650005470) |

## What reviewers say

### ostinata

[App page](https://appshunter.io/ios/app/ostinata/id6762445694)

Visualize and share your music discovery journeys. Map connections between artists, albums, and genres, explaining your reasoning. Explore and remix others' musical paths or create discovery challenges for the community.

**Highlights:** Create visual music discovery paths, Connect artists, albums, and genres, Add reasoning to connections, Search music via MusicBrainz, Fork and remix existing journeys, Post community discovery challenges, Private iCloud data sync

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

**In-app purchases:** none


### JenDie

[App page](https://appshunter.io/ios/app/jendie-analog-synth/id6781621147)

This app faithfully emulates a classic 1970s Italian monophonic analog synthesizer for iPhone and iPad. It offers authentic vintage sound with modern touch controls, allowing for expressive leads, basses, and evolving textures. Use it standalone or as an AUv3 plugin in compatible hosts.

**Highlights:** Faithful Jen SX-1000 emulation, Authentic & Clean sound modes, Continuous waveform morphing, Pulse width & PWM modulation, 46 factory presets, Full preset management, Multi-touch keyboard, MIDI support

**In-app purchases:** none


## Frequently asked questions

### Is ostinata free?

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

### Is JenDie free?

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

### Which has better reviews, ostinata or JenDie?

ostinata and JenDie are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do ostinata or JenDie have ads?

Neither ostinata nor JenDie shows ads.

### Which is updated more often, ostinata or JenDie?

ostinata ships an update every 9 days, and JenDie every 3 weeks. Most recently, ostinata was updated on November 5, 2026 and JenDie on October 31, 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.*