# Harmonious vs Decent Sampler

The clearest difference is review sentiment: Harmonious at 100% against Decent Sampler's 52%. Harmonious also leads on in-app purchases (none vs 60) and rating (5.0 vs 4.6). Decent Sampler's advantage is price (Free vs $4.99) and update cadence (weekly vs every 3 months). On ads and device support there is nothing between them.

Decent Sampler is free to download; Harmonious costs $4.99 up front. Decent Sampler sells 60 one-off in-app purchases. Harmonious asks for nothing beyond the download.

Harmonious holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Decent Sampler has 53 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Harmonious's written reviews are positive against 52% of Decent Sampler's.

Harmonious ships an update every 3 months, Decent Sampler weekly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Harmonious | Decent Sampler |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/harmonious-music-theory/id1335459208/reviews)** | [4.6 (53 ratings)](https://appshunter.io/ios/app/decent-sampler/id1530441977/reviews) |
| Number of ratings | 6 | **53** |
| Positive reviews | **100.0% of reviews** | 52.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 38 MB | 41 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jared Updike](https://appshunter.io/developer/1335459207) | [Decidedly, LLC](https://appshunter.io/developer/783782943) |

## What reviewers say

### Harmonious

[App page](https://appshunter.io/ios/app/harmonious-music-theory/id1335459208)

This app provides an exhaustive reference for piano and guitar chords and scales, designed for musicians and students. It offers interactive tools, tutorials, and visualizations to explore music theory concepts, from basic harmony to advanced set theory.

**Highlights:** Interactive piano and guitar chord/scale search, Dozens of tutorials and glossary entries, Interactive circle of fifths reference, Audio examples and instrument toggling, Visualizations of scale and mode relationships, Roman numeral functions and chord analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### Decent Sampler

[App page](https://appshunter.io/ios/app/decent-sampler/id1530441977)

This music app lets you use professional-quality sample libraries on your mobile device. It supports Decent Samples libraries and SFZs, and can be used within other music production apps as an AUv3 plugin.

**Highlights:** Use professional sample libraries, Supports Decent Samples libraries, Supports SFZ files, AUv3 plugin compatibility, Standalone app functionality, New libraries added weekly

**Features:** Vision Pro support

**In-app purchases (60)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Box Violin | Free | one-time |
| Dave Choir | Free | one-time |
| Resonator Glockenspiel | Free | one-time |
| Banjo Ukulele | Free | one-time |
| Kalimba | Free | one-time |
| Ukelin | $0.99 | one-time |
| Decent Sampler Store Item 3 | $2.99 | one-time |
| Decent Sampler Store Item 4 | $3.99 | one-time |
| Weber 1929 Baby Grand | $4.99 | one-time |
| Ramshackle Zither | $4.99 | one-time |
| Decent Sampler Store Item 5 | $4.99 | one-time |
| Music Major Sample Library | $4.99 | one-time |
| Sawblade Kalimba Library | $4.99 | one-time |
| Melodica | $4.99 | one-time |
| Distance: Zero | $4.99 | one-time |
| Little Church Organ | $4.99 | one-time |
| Indie Guitar | $5.99 | one-time |
| Decent Sampler Store Item 6 | $5.99 | one-time |
| Decent Sampler Store Item 7 | $6.99 | one-time |
| Paper Drums | $6.99 | one-time |
| Relic Keyboard | $7.99 | one-time |
| Decent Sampler Store Item 8 | $7.99 | one-time |
| HS-3715 Keyboard | $7.99 | one-time |
| Malevolence by Venus Theory | $8.99 | one-time |
| Viola Ensemble | $9.99 | one-time |
| Indie Bass | $9.99 | one-time |
| Metal Cups | $9.99 | one-time |
| Phonoharp | $9.99 | one-time |
| Violin Ensemble | $9.99 | one-time |
| Ethereal Vocals | $9.99 | one-time |
| Decent Sampler Store Item 10 | $9.99 | one-time |
| Kalimba by Darel | $9.99 | one-time |
| Dangerous Undertones | $9.99 | one-time |
| Chroma Vol. 1 | $9.99 | one-time |
| Luminate | $9.99 | one-time |
| Horror Box | $9.99 | one-time |
| Tape Violins Sample Library | $10.99 | one-time |
| Decent Sampler Store Item 11 | $11.00 | one-time |
| Interlaced Sample Library | $14.99 | one-time |
| Decent Sampler Store Item 15 | $15.00 | one-time |
| Decent Sampler Store Item 16 | $16.00 | one-time |
| Decent Sampler Store Item 19 | $19.00 | one-time |
| alt.strings | $19.99 | one-time |
| Felt & Fog | $19.99 | one-time |
| Organic Orchestra | $19.99 | one-time |
| Indie Drums | $19.99 | one-time |
| Bitscape 95 | $19.99 | one-time |
| Thyssia by Venus Theory | $19.99 | one-time |
| Decent Samples Store Item 20 | $20.00 | one-time |
| Decent Samples Store Item 24 | $24.00 | one-time |
| The Void | $24.99 | one-time |
| Processed Guitars | $24.99 | one-time |
| Decent Samples Store Item 25 | $25.00 | one-time |
| String Flows | $29.99 | one-time |
| 70s Summer Camp Sample Library | $29.99 | one-time |
| Decent Samples Store Item 30 | $30.00 | one-time |
| LoFi VaporTones Ds | $33.99 | one-time |
| Decent Samples Store Item 39 | $39.00 | one-time |
| Decent Samples Store Item 40 | $40.00 | one-time |
| Chamberlin M1 by Jamie Lidell | $49.99 | one-time |

**What reviewers like**

- 🎶 Great sounds and libraries
- 🎹 Powerful sampler for iOS
- 💡 Free sample packs available
- ✨ High-quality instruments
- 🔄 Actively developed with updates

**What reviewers complain about**

- 🐛 Frequent crashes and instability
- 💾 High RAM and storage usage
- 🔌 Issues with Logic Pro on iOS
- 🐌 Slow download manager
- 🤷‍♂️ Not working with older iPads

**Reported bugs**

- Instant crash on load
- App stopped working after iOS update
- AUV3 crashes out of nowhere
- Unresponsive upon opening
- Server issues for login

**Requested features**

- Add user/pass fill from password keeper
- Implement a download manager for multiple instruments
- Allow running within IAA or Audiobus
- Add ability to clear cache
- Fix multi-track support in AUV3


## Frequently asked questions

### Is Harmonious free?

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

### Is Decent Sampler free?

Decent Sampler is free to download, with in-app purchases available.

### Which has better reviews, Harmonious or Decent Sampler?

Harmonious is rated higher. Harmonious averages 5.0 out of 5 from 6 ratings, while Decent Sampler averages 4.6 from 53 ratings.

### Do Harmonious or Decent Sampler have ads?

Neither Harmonious nor Decent Sampler shows ads.

### Which is updated more often, Harmonious or Decent Sampler?

Harmonious ships an update every 3 months, and Decent Sampler weekly. Most recently, Harmonious was updated on October 24, 2026 and Decent Sampler on October 27, 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.*