# 1Chart vs Pure Synth® Platinum

The clearest difference is price: Pure Synth® Platinum at Free against 1Chart's $15.99. Pure Synth® Platinum also leads on device support (3 vs 1) and iOS requirement (11.0 vs 14.0). 1Chart's advantage is rating (4.3 vs 3.6) and review sentiment (89% vs 51%). On ratings volume, update cadence and ads there is nothing between them.

Pure Synth® Platinum is free to download; 1Chart costs $15.99 up front. Pure Synth® Platinum sells 13 one-off in-app purchases. 1Chart asks for nothing beyond the download.

1Chart holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 38 and 54 respectively. Written reviews point the same way: 89% of 1Chart's written reviews are positive against 51% of Pure Synth® Platinum's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 1Chart | Pure Synth® Platinum |
| --- | --- | --- |
| Price | $15.99 | **Free** |
| Rating | **[4.3 (38 ratings)](https://appshunter.io/ios/app/1chart/id916272960/reviews)** | [3.6 (54 ratings)](https://appshunter.io/ios/app/pure-synth-platinum/id1459688500/reviews) |
| Number of ratings | 38 | **54** |
| Positive reviews | **89.4% of reviews** | 50.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 44 MB | 317 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RooKanga Digital LLC](https://appshunter.io/developer/916272959) | [MIDIculous LLC](https://appshunter.io/developer/579058990) |

## What reviewers say

### 1Chart

[App page](https://appshunter.io/ios/app/1chart/id916272960)

Create, share, and print professional music charts using the Nashville Number System or letter chords. Offers flexibility in key changes, chord notation, and rhythmic details for efficient music arrangement.

**Highlights:** Nashville Number System support, Letter chord flexibility, Key change updates, Rhythmic notation and dynamics, Arrangement tools, PDF and editable file sharing, Performance mode

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 1Chart free?

1Chart costs $15.99, with no in-app purchases.

### Is Pure Synth® Platinum free?

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

### Which has better reviews, 1Chart or Pure Synth® Platinum?

1Chart is rated higher. 1Chart averages 4.3 out of 5 from 38 ratings, while Pure Synth® Platinum averages 3.6 from 54 ratings.

### Do 1Chart or Pure Synth® Platinum have ads?

Neither 1Chart nor Pure Synth® Platinum shows ads.

### Which is updated more often, 1Chart or Pure Synth® Platinum?

1Chart ships an update every 3 months, and Pure Synth® Platinum every 3 months. Most recently, 1Chart was updated on October 23, 2026 and Pure Synth® Platinum on October 20, 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.*