# Doubler vs EchoFlower

The clearest difference is review sentiment: EchoFlower at 50% against Doubler's 0%. EchoFlower also leads on rating (4.6 vs 3.8). Doubler's advantage is price ($7.99 vs $9.99) and iOS requirement (9.3 vs 12.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Doubler costs $7.99 and EchoFlower $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EchoFlower holds the better App Store score, 4.6 against 3.8. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 0% of Doubler's written reviews are positive against 50% of EchoFlower's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Doubler | EchoFlower |
| --- | --- | --- |
| Price | **$7.99** | $9.99 |
| Rating | [3.8 (6 ratings)](https://appshunter.io/ios/app/doubler/id1611386721/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/echoflower/id6742573030/reviews)** |
| Number of ratings | **6** | 5 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 32 MB | 12 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nembrini Audio](https://appshunter.io/developer/1493296895) | [Simon Alexander](https://appshunter.io/developer/1789202493) |

## What reviewers say

### Doubler

[App page](https://appshunter.io/ios/app/doubler/id1611386721)

This real-time audio effect plugin creates a natural doubling sound for instruments and vocals. It adds richness and depth, making guitar parts sound massive and enabling flam-like effects on drums. Adjust variation parameters for precise control over the desired doubling effect.

**Highlights:** Real-time stereo doubling, Enhances guitar, vocals, and polyphonic instruments, Adds richness and depth, Creates massive sound for riffs and solos, Automatic vocal and instrument doubling, Flam-like effects for drums, Adjustable variation parameters

**Features:** Vision Pro support

**In-app purchases:** none


### EchoFlower

[App page](https://appshunter.io/ios/app/echoflower/id6742573030)

Enhance your audio with a versatile delay and vintage stereo texture effect. Easily add depth, width, and character to any sound with intuitive controls and professional-grade processing.

**Highlights:** Musical delay system, Vintage stereo widening, Reverb, Flanger, Chorus textures, Multi-band stereo control, Intuitive tap tempo, Mix-ready processing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Doubler free?

Doubler costs $7.99, with no in-app purchases.

### Is EchoFlower free?

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

### Which has better reviews, Doubler or EchoFlower?

EchoFlower is rated higher. Doubler averages 3.8 out of 5 from 6 ratings, while EchoFlower averages 4.6 from 5 ratings.

### Do Doubler or EchoFlower have ads?

Neither Doubler nor EchoFlower shows ads.

### Which is updated more often, Doubler or EchoFlower?

Doubler ships an update every 3 weeks, and EchoFlower every 3 weeks. Most recently, Doubler was updated on September 24, 2026 and EchoFlower on September 17, 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.*