# STEPS vs jAmp Doubler

The clearest difference is price: jAmp Doubler at Free against STEPS's $0.99. jAmp Doubler also leads on review sentiment (100% vs 56%) and rating (5.0 vs 3.9). STEPS's advantage is ratings volume (13 vs 4) and iOS requirement (9.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

jAmp Doubler is free to download; STEPS costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

jAmp Doubler holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 13 and 4 respectively. Written reviews point the same way: 56% of STEPS's written reviews are positive against 100% of jAmp Doubler's.

STEPS ships an update every 3 weeks, jAmp Doubler every 9 days. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | STEPS | jAmp Doubler |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.9 (13 ratings)](https://appshunter.io/ios/app/steps-midi-sequencer/id1224149283/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/jamp-doubler/id6475082851/reviews)** |
| Number of ratings | **13** | 4 |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Paid | **Free** |
| Size | 7 MB | 6 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Reactable Systems SL](https://appshunter.io/developer/381127669) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## What reviewers say

### STEPS

[App page](https://appshunter.io/ios/app/steps-midi-sequencer/id1224149283)

Create complex rhythmic patterns with this powerful MIDI sequencer. Control any MIDI-compatible app, send MIDI over network, and synchronize external hardware synths. Features a user-friendly interface for seamless performance and editing.

**Highlights:** MIDI-out system, Bluetooth LE MIDI support, Audiobus 3 support, External hardware synchronization, Performance and editing modes, Ableton Link integration, Global swing and BPM control

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

**In-app purchases:** none


### jAmp Doubler

[App page](https://appshunter.io/ios/app/jamp-doubler/id6475082851)

This audio plugin creates a stereo effect by introducing a subtle delay to one audio channel. It offers precise control over the delay time and can be managed via MIDI. Ideal for enhancing mono audio sources with a wider soundstage.

**Highlights:** Stereo widening effect, Adjustable delay time (0-50 microseconds), MIDI control, AUv3 plugin format, Enhances mono audio

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is STEPS free?

STEPS costs $0.99, with no in-app purchases.

### Is jAmp Doubler free?

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

### Which has better reviews, STEPS or jAmp Doubler?

jAmp Doubler is rated higher. STEPS averages 3.9 out of 5 from 13 ratings, while jAmp Doubler averages 5.0 from 4 ratings.

### Do STEPS or jAmp Doubler have ads?

Neither STEPS nor jAmp Doubler shows ads.

### Which is updated more often, STEPS or jAmp Doubler?

STEPS ships an update every 3 weeks, and jAmp Doubler every 9 days. Most recently, STEPS was updated on October 16, 2026 and jAmp Doubler on October 12, 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.*