# SunFounder Controller vs My Instrument Collection

The clearest difference is review sentiment: SunFounder Controller at 95% against My Instrument Collection's 0%. SunFounder Controller also leads on price (Free vs $4.99) and rating (4.1 vs 3.7). My Instrument Collection's advantage is chart position (#195 vs unranked). On ads, in-app purchases and device support there is nothing between them.

SunFounder Controller is free to download; My Instrument Collection costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SunFounder Controller holds the better App Store score, 4.1 against 3.7. That said, the two scores are not equally well evidenced: SunFounder Controller has 28 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 95% of SunFounder Controller's written reviews are positive against 0% of My Instrument Collection's.

SunFounder Controller ships an update every 3 months, My Instrument Collection every 7 months. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SunFounder Controller | My Instrument Collection |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.1 (28 ratings)](https://appshunter.io/ios/app/sunfounder-controller/id1538719422/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/my-instrument-collection/id6757654574/reviews) |
| Number of ratings | **28** | 3 |
| Positive reviews | **94.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#195** |
| Size | 92 MB | 6 MB |
| Requires iOS | **11.0** | 26.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Maker Stars Technology Co., Ltd.](https://appshunter.io/developer/1422345349) | [Matthew Aguiar](https://appshunter.io/developer/904669311) |

## What reviewers say

### SunFounder Controller

[App page](https://appshunter.io/ios/app/sunfounder-controller/id1538719422)

This app acts as a virtual remote control for robot kits powered by ESP32 and Raspberry Pi. It offers customizable controls like radar ranging, tracking, sliders, buttons, and arrow keys for interactive robot operation.

**Highlights:** Virtual remote control, ESP32 and Raspberry Pi compatibility, Radar ranging control, Three-channel tracking, Customizable control layout, Sliders, buttons, and arrow keys

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Great app
- 👍 Useful
- 👍 Good functionality
- 👍 Powerful features

**What reviewers complain about**

- 🐛 Needs to be more stable
- 🐛 Needs to be more user-friendly
- 🐛 Disconnects and won't reconnect without reinstallation
- 🐛 Link button off-screen on iPhone XS Max

**Reported bugs**

- App disconnects and requires reinstallation to reconnect
- Link button is off-screen on iPhone XS Max

**Requested features**

- Add a list-box or radio-button widget class
- More warm functions


### My Instrument Collection

[App page](https://appshunter.io/ios/app/my-instrument-collection/id6757654574)

**Currently charting:** #195 Top Paid · Utilities (US App Store)

Organize, track, and manage your musical instrument collection with detailed profiles, financial tracking, and performance planning. Features visual organization, custom tags, and iCloud sync across devices.

**Highlights:** Visual collection management with photos, Financial tracking of purchase and resale values, Detailed instrument profiles, Live performance and recording planning, iCloud sync across devices, Import and export data

**In-app purchases:** none


## Frequently asked questions

### Is SunFounder Controller free?

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

### Is My Instrument Collection free?

My Instrument Collection costs $4.99, with no in-app purchases.

### Which has better reviews, SunFounder Controller or My Instrument Collection?

SunFounder Controller is rated higher. SunFounder Controller averages 4.1 out of 5 from 28 ratings, while My Instrument Collection averages 3.7 from 3 ratings.

### Do SunFounder Controller or My Instrument Collection have ads?

Neither SunFounder Controller nor My Instrument Collection shows ads.

### Which is updated more often, SunFounder Controller or My Instrument Collection?

SunFounder Controller ships an update every 3 months, and My Instrument Collection every 7 months. Most recently, SunFounder Controller was updated on November 11, 2026 and My Instrument Collection on November 5, 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.*