# Double+ vs MOOER iAMP

The clearest difference is rating: Double+ at 3.4 against MOOER iAMP's 2.4. Double+ also leads on update cadence (every 6 days vs every 2 months). MOOER iAMP's advantage is ratings volume (29 vs 7). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Double+ holds the better App Store score, 3.4 against 2.4. Both are backed by a comparable volume of ratings — 7 and 29 respectively. Written reviews point the same way: 20% of Double+'s written reviews are positive against 15% of MOOER iAMP's.

Double+ ships an update every 6 days, MOOER iAMP every 2 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Double+ | MOOER iAMP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/double-plus/id1623962082/reviews)** | [2.4 (29 ratings)](https://appshunter.io/ios/app/mooer-iamp/id1659822560/reviews) |
| Number of ratings | 7 | **29** |
| Positive reviews | **20.0% of reviews** | 14.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 99 MB | 345 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Huizhou Debo Acoustics Co., Ltd.](https://appshunter.io/developer/1586595923) | [mooer](https://appshunter.io/developer/1384361853) |

## What reviewers say

### Double+

[App page](https://appshunter.io/ios/app/double-plus/id1623962082)

This app is an intelligent guitar pickup system control software designed for both beginners and professionals. It offers extensive features for practice, performance, and teaching, including tone adjustment, effects, a drum machine, metronome, tuner, and loop recording.

**Highlights:** Dual-channel independent mixing ratio volume adjustment, Customizable tone curves and EQ settings, Digital effects (compression, reverb, delay, distortion), Integrated drum machine with 144 styles, Metronome with practice settings, Tuning table for various instruments, Loop recording and music score functions

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

**In-app purchases:** none


### MOOER iAMP

[App page](https://appshunter.io/ios/app/mooer-iamp/id1659822560)

Control intelligent amplifiers and their effects remotely. Access amp models, EQ, and modulation settings, plus manage drum machines, loopers, and tuners. Share and download user-created presets from the cloud.

**Highlights:** Control amp models, EQ, and modulation, Manage drum machine and looper, Access tuner function, Select preset patches, Wireless footswitch control, Cloud preset sharing

**In-app purchases:** none


## Frequently asked questions

### Is Double+ free?

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

### Is MOOER iAMP free?

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

### Which has better reviews, Double+ or MOOER iAMP?

Double+ is rated higher. Double+ averages 3.4 out of 5 from 7 ratings, while MOOER iAMP averages 2.4 from 29 ratings.

### Do Double+ or MOOER iAMP have ads?

Neither Double+ nor MOOER iAMP shows ads.

### Which is updated more often, Double+ or MOOER iAMP?

Double+ ships an update every 6 days, and MOOER iAMP every 2 months. Most recently, Double+ was updated on October 21, 2026 and MOOER iAMP on October 25, 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.*