# TriplexClassic vs jAmp Doubler

The clearest difference is ratings volume: TriplexClassic at 15 against jAmp Doubler's 4. On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for TriplexClassic against 5.0 for jAmp Doubler. Both are backed by a comparable volume of ratings — 15 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

TriplexClassic ships an update every 5 days, jAmp Doubler every 9 days. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | TriplexClassic | jAmp Doubler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (15 ratings)](https://appshunter.io/ios/app/triplexclassic/id6444733628/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/jamp-doubler/id6475082851/reviews) |
| Number of ratings | **15** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free | Free |
| Size | 2 MB | 6 MB |
| Requires iOS | 14 | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Herb](https://appshunter.io/developer/1656508786) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## What reviewers say

### TriplexClassic

[App page](https://appshunter.io/ios/app/triplexclassic/id6444733628)

This application offers a classic FM synthesizer experience with a modern interface. It allows for a wide range of sounds, from clean to distorted, with six specialized macro controls for easy sound shaping. An LFO and drive control further enhance its sound design capabilities.

**Highlights:** 3 operator FM synth engine, Up to 8 voices, 6 specialized macro controls, LFO with shape control, Drive control, Modern, accessible interface

**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 TriplexClassic free?

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

### Is jAmp Doubler free?

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

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

TriplexClassic and jAmp Doubler are both rated 5.0 out of 5 on the App Store, from 15 and 4 ratings respectively.

### Do TriplexClassic or jAmp Doubler have ads?

Neither TriplexClassic nor jAmp Doubler shows ads.

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

TriplexClassic ships an update every 5 days, and jAmp Doubler every 9 days. Most recently, TriplexClassic was updated on October 16, 2026 and jAmp Doubler on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*