# D0TS Echoplex vs Arpie

The clearest difference is rating: Arpie at 4.5 against D0TS Echoplex's 3.1. Arpie also leads on review sentiment (93% vs 73%) and iOS requirement (11.0 vs 14.0). D0TS Echoplex's advantage is update cadence (every 11 months vs every 97 months) and ratings volume (411 vs 10). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Arpie holds the better App Store score, 4.5 against 3.1. That said, the two scores are not equally well evidenced: D0TS Echoplex has 411 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 73% of D0TS Echoplex's written reviews are positive against 93% of Arpie's.

D0TS Echoplex ships an update every 11 months, Arpie every 97 months. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | D0TS Echoplex | Arpie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (411 ratings)](https://appshunter.io/ios/app/d0ts-echoplex/id308598596/reviews) | **[4.5 (10 ratings)](https://appshunter.io/ios/app/arpie/id570542456/reviews)** |
| Number of ratings | **411** | 10 |
| Positive reviews | 72.7% of reviews | **92.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 97 months |
| Monetization | Free | Free |
| Size | 2 MB | 25 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Tourraine](https://appshunter.io/developer/308598599) | [Keijiro Takahashi](https://appshunter.io/developer/448568328) |

## What reviewers say

### D0TS Echoplex

[App page](https://appshunter.io/ios/app/d0ts-echoplex/id308598596)

Recreate the iconic "Echoplex" song by Nine Inch Nails with this music sequencer. Experience the same visuals and sounds used during live performances, allowing you to play the drum line on your device.

**Highlights:** Music sequencer, Recreate "Echoplex" song, Live performance tool, Authentic visuals and sounds, Drum line recreation

**In-app purchases:** none

**What reviewers like**

- 👍 Sweet nostalgia
- 👍 Thank you for updating
- 👍 Awesome
- 👍 Fun to play around with
- 👍 Great app for any NIN fan

**What reviewers complain about**

- 🐛 Instruments not working
- 🐛 Lags like crazy
- 🐛 Terrible execution
- 🐛 Samples play twice
- 🐛 Out of sync

**Reported bugs**

- Guitar, bass, and vocals don't match up
- Vocals and other tracks don't sync with beat
- App crashes or stops working

**Requested features**

- Enable original sound samples and selection queues
- Add ability to change tempo
- Add more drum sounds and samples
- Add BPM display
- Add more songs and instruments


### Arpie

[App page](https://appshunter.io/ios/app/arpie/id570542456)

This app transforms bouncing balls into a musical experience. Place balls of varying heights to create unique melodies and rhythms. It's an intuitive way for anyone to explore music creation.

**Highlights:** Bouncing ball music generation, Adjustable ball height for melody, Create musical sequences, Intuitive music creation, Variety of musical patterns

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

**In-app purchases:** none


## Frequently asked questions

### Is D0TS Echoplex free?

D0TS Echoplex is free to download, with no in-app purchases.

### Is Arpie free?

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

### Which has better reviews, D0TS Echoplex or Arpie?

Arpie is rated higher. D0TS Echoplex averages 3.1 out of 5 from 411 ratings, while Arpie averages 4.5 from 10 ratings.

### Do D0TS Echoplex or Arpie have ads?

Neither D0TS Echoplex nor Arpie shows ads.

### Which is updated more often, D0TS Echoplex or Arpie?

D0TS Echoplex ships an update every 11 months, and Arpie every 97 months. Most recently, D0TS Echoplex was updated on October 21, 2026 and Arpie on October 19, 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.*