# BYB Backpack vs PhoneIoT

The clearest difference is rating: PhoneIoT at 5.0 against BYB Backpack's 3.0. PhoneIoT also leads on update cadence (every 2 weeks vs every 11 months). On price, ratings volume, 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.

PhoneIoT holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

BYB Backpack ships an update every 11 months, PhoneIoT every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | BYB Backpack | PhoneIoT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/byb-backpack/id792968848/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/phoneiot/id1567444865/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 27 MB | 22 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Backyard Brains](https://appshunter.io/developer/367151203) | [Devin Jean](https://appshunter.io/developer/1567444957) |

## What reviewers say

### BYB Backpack

[App page](https://appshunter.io/ios/app/byb-backpack/id792968848)

This application allows users to remotely control a two-channel signal generator for TTL signals. It enables the generation of square-wave pulses with adjustable frequency, pulse width, and duration, ideal for electronics projects.

**Highlights:** Remote TTL signal generation, Control two independent square-wave pulses, Adjustable frequency, Adjustable pulse width, Adjustable duration, Requires BYB remote signal generator hardware

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

**In-app purchases:** none


### PhoneIoT

[App page](https://appshunter.io/ios/app/phoneiot/id1567444865)

This app connects to a block-based programming environment, enabling remote access to your device's sensors and display. Students can create interactive projects, like using their device as a remote control for robots.

**Highlights:** Connects to NetsBlox educational programming environment, Remotely access iOS device sensors, Control device display from code, Create engaging programming projects, Enable device as robot remote control

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

**In-app purchases:** none


## Frequently asked questions

### Is BYB Backpack free?

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

### Is PhoneIoT free?

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

### Which has better reviews, BYB Backpack or PhoneIoT?

PhoneIoT is rated higher. BYB Backpack averages 3.0 out of 5 from 2 ratings, while PhoneIoT averages 5.0 from 4 ratings.

### Do BYB Backpack or PhoneIoT have ads?

Neither BYB Backpack nor PhoneIoT shows ads.

### Which is updated more often, BYB Backpack or PhoneIoT?

BYB Backpack ships an update every 11 months, and PhoneIoT every 2 weeks. Most recently, BYB Backpack was updated on November 1, 2026 and PhoneIoT on November 3, 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.*