# SampleTank CS vs Piano Partner 2

The clearest difference is rating: SampleTank CS at 3.1 against Piano Partner 2's 2.2. SampleTank CS also leads on review sentiment (29% vs 19%). Piano Partner 2's advantage is in-app purchases (none vs 15) and iOS requirement (9.2 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. SampleTank CS sells 15 one-off in-app purchases. Piano Partner 2 asks for nothing beyond the download.

SampleTank CS holds the better App Store score, 3.1 against 2.2. Both are backed by a comparable volume of ratings — 142 and 230 respectively. Written reviews point the same way: 29% of SampleTank CS's written reviews are positive against 19% of Piano Partner 2's.

SampleTank CS ships an update every 2 months, Piano Partner 2 every 3 months. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SampleTank CS | Piano Partner 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (142 ratings)](https://appshunter.io/ios/app/sampletank-cs/id464775965/reviews)** | [2.2 (230 ratings)](https://appshunter.io/ios/app/piano-partner-2/id1092347134/reviews) |
| Number of ratings | 142 | **230** |
| Positive reviews | **28.9% of reviews** | 18.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1.5 GB | 25 MB |
| Requires iOS | 13.0 | **9.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IK Multimedia US, LLC](https://appshunter.io/developer/323694278) | [Roland Corporation](https://appshunter.io/developer/387333694) |

## What reviewers say

### SampleTank CS

[App page](https://appshunter.io/ios/app/sampletank-cs/id464775965)

This professional mobile sound and groove workstation brings desktop-level virtual instrument power to your iPhone and iPad. It offers a vast array of world-class instruments and patterns for live performance and composition, with expandable sound libraries available for purchase.

**Highlights:** 23 free instruments in 16 categories, 8-part multitimbral sound module, Expandable sound library with 2300+ instruments, Over 1,200 melodic and rhythmic patterns, 8-track MIDI recorder with audio export, Intuitive interface and new sound engine, Song and Live environments

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Organ | $4.99 | one-time |
| Strings | $4.99 | one-time |
| Brass | $4.99 | one-time |
| Synth Leads | $4.99 | one-time |
| Synth Pads | $4.99 | one-time |
| Woodwinds | $4.99 | one-time |
| Acoustic Drums | $4.99 | one-time |
| Electric Piano | $7.99 | one-time |
| The Grid | $14.99 | one-time |
| Upgrade to SampleTank | $24.99 | one-time |
| Miroslav Philharmonik - Mobile Edition | $24.99 | one-time |
| Sample Moog - Mobile Edition | $24.99 | one-time |
| Sonik Synth - Mobile Edition | $24.99 | one-time |
| All Sounds | $64.99 | one-time |
| SampleTank PRO - All Sounds Pack | $64.99 | one-time |

**What reviewers like**

- 🚀 Great sound quality
- 👍 Easy to use
- 💡 Excellent for live performances

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔒 Issues with in-app purchases and restoring purchases
- 🔋 High memory usage
- 👎 Lack of updates and support

**Reported bugs**

- Incompatible with latest iOS versions
- MIDI issues and lack of device detection
- Purchased content not properly restored

**Requested features**

- Add AU/AUv3 support for better DAW integration
- Improve MIDI functionality and mapping
- Allow importing custom samples
- Enhance performance controls (e.g., pitch bend, modulation)


### Piano Partner 2

[App page](https://appshunter.io/ios/app/piano-partner-2/id1092347134)

Enhance your Roland digital piano experience with interactive learning tools. Practice with intelligent accompaniment, develop skills through engaging games, and track your progress with recording and diary features. Control your piano remotely for easier operation.

**Highlights:** Interactive learning tools, Intelligent accompaniment, Skill-building games, Performance recording, Practice diary and stats, Remote piano control

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Expands features of Roland pianos
- 🚀 Enables easy changes to voices, reverb, transpose, etc.
- 💡 Provides access to additional sounds
- 👍 Functional app when it works

**What reviewers complain about**

- 🐛 Frequent crashes and connection issues
- 👎 Outdated and unintuitive user interface
- 👎 Unreliable Bluetooth connectivity
- 👎 Limited functionality compared to expectations
- 👎 Incompatible with newer Roland piano models

**Reported bugs**

- App crashes when accessing Diary feature
- Inability to connect to piano via Bluetooth
- Recorded audio playback issues
- Metronome settings reset when switching apps

**Requested features**

- Add ability to save/export recorded audio
- Improve metronome functionality and settings retention
- Optimize app for modern device screens
- Expand song/rhythm library beyond classical music
- Improve reliability and reduce bugs


## Frequently asked questions

### Is SampleTank CS free?

SampleTank CS is free to download, with in-app purchases available.

### Is Piano Partner 2 free?

Piano Partner 2 is free to download, with no in-app purchases.

### Which has better reviews, SampleTank CS or Piano Partner 2?

SampleTank CS is rated higher. SampleTank CS averages 3.1 out of 5 from 142 ratings, while Piano Partner 2 averages 2.2 from 230 ratings.

### Do SampleTank CS or Piano Partner 2 have ads?

Neither SampleTank CS nor Piano Partner 2 shows ads.

### Which is updated more often, SampleTank CS or Piano Partner 2?

SampleTank CS ships an update every 2 months, and Piano Partner 2 every 3 months. Most recently, SampleTank CS was updated on October 21, 2026 and Piano Partner 2 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.*