# Tiny Keys vs DX

The clearest difference is update cadence: Tiny Keys at every 2 days against DX's every 2 weeks. Tiny Keys also leads on iOS requirement (17.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tiny Keys ships an update every 2 days, DX every 2 weeks. The most recent releases landed on September 12, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Tiny Keys | DX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (2 ratings)](https://appshunter.io/ios/app/dx-square-classic-fm-synthe/id6791068356/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 15 MB | 86 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [William Paul](https://appshunter.io/developer/1888843429) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## What reviewers say

### Tiny Keys

[App page](https://appshunter.io/ios/app/tiny-keys/id6761317407)

**Features:** macOS Compatibility

**In-app purchases:** none


### DX

[App page](https://appshunter.io/ios/app/dx-square-classic-fm-synthe/id6791068356)

Create and manipulate 80s FM synth sounds with a tactile hardware-style interface. Explore curated presets, use a Kaoss Physics-style filter pad for expressive control, and add essential effects. Ideal for music production or on-the-go sound design.

**Highlights:** Hardware-style UI, Curated presets, Kaoss Physics-style filter pad, Essential FX (Chorus, Delay, Reverb), Mini-keyboard, Dual-language support

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

**In-app purchases:** none


## Frequently asked questions

### Is Tiny Keys free?

Tiny Keys is free to download, with no in-app purchases.

### Is DX free?

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

### Do Tiny Keys or DX have ads?

Neither Tiny Keys nor DX shows ads.

### Which is updated more often, Tiny Keys or DX?

Tiny Keys ships an update every 2 days, and DX every 2 weeks. Most recently, Tiny Keys was updated on September 12, 2026 and DX on September 21, 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.*