# iDousyn vs Kalimba Keys

The clearest difference is review sentiment: Kalimba Keys at 100% against iDousyn's 34%. Kalimba Keys also leads on rating (5.0 vs 4.2) and in-app purchases (none vs 1). iDousyn's advantage is update cadence (every 2 months vs every 6 months) and ratings volume (159 vs 14). On ads and device support there is nothing between them.

iDousyn costs $9.99 and Kalimba Keys $4.99 up front. iDousyn sells 1 one-off in-app purchase. Kalimba Keys asks for nothing beyond the download.

Kalimba Keys holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: iDousyn has 159 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 34% of iDousyn's written reviews are positive against 100% of Kalimba Keys's.

iDousyn ships an update every 2 months, Kalimba Keys every 6 months. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iDousyn | Kalimba Keys |
| --- | --- | --- |
| Price | $9.99 | **$4.99** |
| Rating | [4.2 (159 ratings)](https://appshunter.io/ios/app/idousyn/id421852860/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/kalimba-keys/id6474580189/reviews)** |
| Number of ratings | **159** | 14 |
| Positive reviews | 34.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 1.2 GB | 112 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Lozada](https://appshunter.io/developer/421852863) | [OSC Audio](https://appshunter.io/developer/1693533681) |

## What reviewers say

### iDousyn

[App page](https://appshunter.io/ios/app/idousyn/id421852860)

This app transforms your device into a professional music production tool. It features a sample-based synthesizer with dual-layer sampling, advanced filters, and a professional effects chain. Create immersive sounds and build captivating tracks with an intuitive interface and extensive sound library.

**Highlights:** Dual-layer sampling, Advanced filters and EQ, Professional effects chain, Creative chord pads, MIDI mastery, Expansive sound library

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | Free | one-time |


### Kalimba Keys

[App page](https://appshunter.io/ios/app/kalimba-keys/id6474580189)

This app offers a realistic and expressive Kalimba instrument experience with studio-quality sound. It features detailed sampling, a variety of built-in effects, and cross-platform preset management for seamless creativity.

**Highlights:** Individually-sampled Kalimba notes, Multiple Kalimba sound variations, Modulation and Space & Time FX, Adjustable effects order, 35 included presets, Cross-platform preset sharing, Standalone app and AUv3 compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is iDousyn free?

iDousyn costs $9.99, and also offers in-app purchases.

### Is Kalimba Keys free?

Kalimba Keys costs $4.99, with no in-app purchases.

### Which has better reviews, iDousyn or Kalimba Keys?

Kalimba Keys is rated higher. iDousyn averages 4.2 out of 5 from 159 ratings, while Kalimba Keys averages 5.0 from 14 ratings.

### Do iDousyn or Kalimba Keys have ads?

Neither iDousyn nor Kalimba Keys shows ads.

### Which is updated more often, iDousyn or Kalimba Keys?

iDousyn ships an update every 2 months, and Kalimba Keys every 6 months. Most recently, iDousyn was updated on October 13, 2026 and Kalimba Keys on October 9, 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.*