# Pure Synth® Platinum vs Schedule Highlighter

The clearest difference is rating: Schedule Highlighter at 5.0 against Pure Synth® Platinum's 3.6. Schedule Highlighter also leads on in-app purchases (none vs 13) and update cadence (weekly vs every 3 months). Pure Synth® Platinum's advantage is ratings volume (54 vs 1) and iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Pure Synth® Platinum sells 13 one-off in-app purchases. Schedule Highlighter asks for nothing beyond the download.

Schedule Highlighter holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Pure Synth® Platinum has 54 ratings behind it against 1, so its average is the more settled of the two.

Pure Synth® Platinum ships an update every 3 months, Schedule Highlighter weekly. Both last shipped on October 29, 2026.

## The numbers

| Metric | Pure Synth® Platinum | Schedule Highlighter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (54 ratings)](https://appshunter.io/ios/app/pure-synth-platinum/id1459688500/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/schedule-highlighter/id6811805044/reviews)** |
| Number of ratings | **54** | 1 |
| Positive reviews | 50.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 317 MB | 7 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIDIculous LLC](https://appshunter.io/developer/579058990) | [Alisa Rayzman](https://appshunter.io/developer/6811805046) |

## What reviewers say

### Pure Synth® Platinum

[App page](https://appshunter.io/ios/app/pure-synth-platinum/id1459688500)

This app is a versatile virtual instrument player for iOS, serving as a comprehensive solution for rompler, synthesizer, and wavetable needs. It offers advanced modulation, built-in effects, and expandable sound libraries. Users can store samples on external drives and customize their sound with unique features.

**Highlights:** Rompler, synthesizer, and wavetable engines, Advanced automation and modulation system, Includes VKFX Suite and additional free effects, Expandable sound libraries via virtual IAP, External drive support for sample storage, MIDI Learn and modulate any parameter, AUv3 Full View Support

**Features:** Family Sharing, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pure Synth 8 Bit Expansion | $2.99 | one-time |
| Rached 808s for Pure Synth | $3.99 | one-time |
| EDM Leads Vol 1 for Pure Synth | $3.99 | one-time |
| Pure Glide Urban Synth | $5.99 | one-time |
| BASSalicious 1 Factory Content | $6.99 | one-time |
| Creatmosphere Expansion | $6.99 | one-time |
| Suitcase EP Piano Expansion | $7.99 | one-time |
| YAMAHA EX5 Expansion | $7.99 | one-time |
| Pure Sine 2 | $8.99 | one-time |
| BASSalicious 2 Factory Content | $9.99 | one-time |
| Upright Piano Expansion | $9.99 | one-time |
| FM TiNES Expansion for PSP | $14.99 | one-time |
| Factory Sample Content | $19.99 | one-time |

**What reviewers like**

- 🌟 Incredible sound quality
- 🎨 Vast library of high-quality samples
- 🔧 Powerful sound customization options
- 🤝 Excellent customer support
- 💻 Seamless integration with DAWs

**What reviewers complain about**

- 🐛 Stability issues and frequent crashes
- 📦 Extremely large file size
- 🤯 Confusing and cluttered user interface
- 🔍 Difficulty accessing purchased content
- 🔁 Recurring issues with updates

**Reported bugs**

- Purchased content disappearing after updates
- Synth not responding or producing sound in DAWs
- Glitches and audio dropouts during playback
- Incompatibility issues with certain iOS versions
- Inconsistent behavior across different devices

**Requested features**

- MIDI learn capabilities for all parameters
- Improved preset management and organization
- Ability to import custom wavetables and samples
- Dedicated sound design tools and modulation options
- Better integration with external storage devices


### Schedule Highlighter

[App page](https://appshunter.io/ios/app/schedule-highlighter/id6811805044)

This free planner allows extensive customization of your calendar events with over 2,600 colors and 23 unique finishes. It supports importing schedules from PDFs, managing multiple life areas in one place, and sharing your calendar via a simple PIN without requiring accounts.

**Highlights:** 2,600+ colors and 23 premium finishes, Customizable event colors and appearance, Import schedules from text-based PDFs, Consolidate work, school, and personal events, Share schedules via PIN without accounts, Offline functionality and private by design

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

**In-app purchases:** none


## Frequently asked questions

### Is Pure Synth® Platinum free?

Pure Synth® Platinum is free to download, with in-app purchases available.

### Is Schedule Highlighter free?

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

### Which has better reviews, Pure Synth® Platinum or Schedule Highlighter?

Schedule Highlighter is rated higher. Pure Synth® Platinum averages 3.6 out of 5 from 54 ratings, while Schedule Highlighter averages 5.0 from 1 ratings.

### Do Pure Synth® Platinum or Schedule Highlighter have ads?

Neither Pure Synth® Platinum nor Schedule Highlighter shows ads.

### Which is updated more often, Pure Synth® Platinum or Schedule Highlighter?

Pure Synth® Platinum ships an update every 3 months, and Schedule Highlighter weekly. Most recently, Pure Synth® Platinum was updated on October 29, 2026 and Schedule Highlighter on October 29, 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.*