# modstep vs Collider

The clearest difference is review sentiment: Collider at 92% against modstep's 46%. Collider also leads on rating (5.0 vs 2.8). modstep's advantage is price ($9.99 vs $19.99) and ratings volume (39 vs 13). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

modstep costs $9.99 and Collider $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Collider holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 39 and 13 respectively. Written reviews point the same way: 46% of modstep's written reviews are positive against 92% of Collider's.

modstep ships an update every 3 weeks, Collider monthly. The most recent releases landed on June 10, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | modstep | Collider |
| --- | --- | --- |
| Price | **$9.99** | $19.99 |
| Rating | [2.8 (39 ratings)](https://appshunter.io/ios/app/modstep/id966990643/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/collider-for-the-analog-rytm/id1024379666/reviews)** |
| Number of ratings | **39** | 13 |
| Positive reviews | 45.8% of reviews | **91.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Paid | Paid |
| Size | 99 MB | 27 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Blomert](https://appshunter.io/developer/385949478) | [Marcos Kohler](https://appshunter.io/developer/1024379665) |

## What reviewers say

### modstep

[App page](https://appshunter.io/ios/app/modstep/id966990643)

Create music with a powerful MIDI sequencer for iPad. Control external hardware, IAA apps, and Audio Units. Features unlimited tracks, real-time editing, and integrated synths/samplers for on-the-go or studio production.

**Highlights:** Session-style MIDI sequencer, Unlimited tracks and scenes, Real-time editing and modulation, Integrated synth and sampler, IAA and Audio Unit integration, Ableton Link sync, MIDI and Audio export

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎛️ Powerful MIDI sequencing capabilities
- 🎨 Clean and polished user interface design
- 🔗 Excellent integration with external hardware and IAA/AU apps
- 🎵 Ableton Live-like clip launching workflow
- 🎚️ Extensive automation and CC control options

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- ⏸️ App appears abandoned with no recent updates
- 🔌 IAA/AU instrument loading causes crashes
- 📖 Poor documentation and lack of tutorials
- 🎚️ Confusing and unintuitive user interface

**Reported bugs**

- App crashes when loading external IAA/AU instruments
- Constant clicking sound with metronome off
- Projects fail to load or require multiple restart attempts
- MIDI input routing ignores channel settings
- Track names change when using 'save as' function

**Requested features**

- Undo/redo functionality
- MIDI import capability
- Pre-roll for recording
- Dedicated mixer with send/returns
- Audio loop recording and playback


### Collider

[App page](https://appshunter.io/ios/app/collider-for-the-analog-rytm/id1024379666)

Enhance your Elektron Analog Rytm drum machine with this performance and control surface app. It offers extensive randomization, parameter control across all tracks, and creative pattern generation tools to unlock new sonic possibilities.

**Highlights:** Randomized Kits and sound design, Parameter randomization and morphing, Cross-track parameter control, Scene and performance randomization, Euclidean and algorithmic pattern generation, Save and load kits, tracks, and patterns, XY pads for FX and filter control

**In-app purchases:** none


## Frequently asked questions

### Is modstep free?

modstep costs $9.99, with no in-app purchases.

### Is Collider free?

Collider costs $19.99, with no in-app purchases.

### Which has better reviews, modstep or Collider?

Collider is rated higher. modstep averages 2.8 out of 5 from 39 ratings, while Collider averages 5.0 from 13 ratings.

### Do modstep or Collider have ads?

Neither modstep nor Collider shows ads.

### Which is updated more often, modstep or Collider?

modstep ships an update every 3 weeks, and Collider monthly. Most recently, modstep was updated on June 10, 2026 and Collider on June 11, 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.*