# Tachyon vs e

The clearest difference is rating: e at 4.9 against Tachyon's 3.8. e also leads on update cadence (every 3 weeks vs every 14 months) and review sentiment (87% vs 78%). Tachyon's advantage is price ($1.99 vs $5.99) and iOS requirement (8.0 vs 11.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Tachyon costs $1.99 and e $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

e holds the better App Store score, 4.9 against 3.8. Both are backed by a comparable volume of ratings — 13 and 31 respectively. Written reviews point the same way: 78% of Tachyon's written reviews are positive against 87% of e's.

Tachyon ships an update every 14 months, e every 3 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Tachyon | e |
| --- | --- | --- |
| Price | **$1.99** | $5.99 |
| Rating | [3.8 (13 ratings)](https://appshunter.io/ios/app/tachyon/id544585980/reviews) | **[4.9 (31 ratings)](https://appshunter.io/ios/app/e-l-s-a/id833671355/reviews)** |
| Number of ratings | 13 | **31** |
| Positive reviews | 77.7% of reviews | **87.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 12 MB | 43 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wizdom Music LLC](https://appshunter.io/developer/377345351) | [Erik Sigth](https://appshunter.io/developer/385275335) |

## What reviewers say

### Tachyon

[App page](https://appshunter.io/ios/app/tachyon/id544585980)

This app allows users to blend any two sounds together to create unique musical expressions. Its intuitive interface lets you control pitch and tone independently, offering a mesmerizing visual experience as you play.

**Highlights:** Blend any two sounds, Independent pitch and tone control, Intuitive touch interface, Mesmerizing visual feedback, Custom sound library

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Expressive instrument
- 💡 Innovative concept
- 🎨 Great visuals
- 💰 Great value for price
- 👍 Easy to use

**What reviewers complain about**

- 📉 Limited sound palette
- 🤔 Some find it basic
- 😕 Sounds can be unremarkably cheesy
- 🪞 Interface can be distracting

**Reported bugs**

- IAA and Audiobus compatibility issues
- Does not work with Audiobus
- Does not launch with Audiobus
- Inter-app audio and Audiobus connectivity missing
- Broken on iPad 2 - iOS 7

**Requested features**

- Audiobus and IAA support
- MIDI support
- MPE support
- Ability to record
- Update for notched iPhones


### e

[App page](https://appshunter.io/ios/app/e-l-s-a/id833671355)

Create retro-style music with a sampling keyboard featuring tempo-based looping. Record, manipulate, and play back samples with various effects and flexible playback modes. Integrate with other audio apps and control parameters via MIDI.

**Highlights:** Retro sampling keyboard, Tempo-based looping, Reverb, bit crusher, resonant filter, Multiple loop and start/stop modes, MIDI control and Core MIDI support, AUv3, Audiobus, Inter App Audio integration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tachyon free?

Tachyon costs $1.99, with no in-app purchases.

### Is e free?

e costs $5.99, with no in-app purchases.

### Which has better reviews, Tachyon or e?

e is rated higher. Tachyon averages 3.8 out of 5 from 13 ratings, while e averages 4.9 from 31 ratings.

### Do Tachyon or e have ads?

Neither Tachyon nor e shows ads.

### Which is updated more often, Tachyon or e?

Tachyon ships an update every 14 months, and e every 3 weeks. Most recently, Tachyon was updated on October 2, 2026 and e on September 30, 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.*