# Breadpad vs BT Powerbox

The clearest difference is in-app purchases: BT Powerbox at none against Breadpad's 3. Breadpad's advantage is update cadence (fortnightly vs every 20 months) and device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Breadpad sells 3 in-app purchases, starting at $4.99 per month. BT Powerbox asks for nothing beyond the download.

Breadpad ships an update fortnightly, BT Powerbox every 20 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Breadpad | BT Powerbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (166 ratings)](https://appshunter.io/ios/app/breadpad-spice-simulator/id6443904179/reviews)** | — |
| Number of ratings | **166** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 20 months |
| Monetization | Freemium | — |
| Size | 63 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FreshBizOpps, LLC](https://appshunter.io/developer/1506039373) | [Torsten Schlossmacher](https://appshunter.io/developer/482485601) |

## What reviewers say

### Breadpad

[App page](https://appshunter.io/ios/app/breadpad-spice-simulator/id6443904179)

Design and simulate electronic circuits on an interactive digital breadboard. Analyze designs with virtual oscilloscopes and logic analyzers, and perform precise SPICE netlist simulations. Offers a free tier with core features and a premium subscription for advanced analysis and export.

**Highlights:** Interactive digital breadboard, SPICE netlist simulation, Virtual oscilloscope and logic analyzer, Extensive component library, Custom component creation, Circuit snapshotting, Cloud collaboration

**Features:** Game Controller support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Breadpad Subscription | $4.99 | per month |
| Annual Breadpad Subscription | $39.99 | per year |
| Lifetime Premium | $139.99 | one-time |

**What reviewers like**

- 💡 Innovative breadboard simulation concept
- 🎓 Useful learning tool for electronics students
- 🔬 Advanced simulation features with oscilloscope
- ⚡ Responsive developer with frequent updates
- 🎨 Good visual design and layout

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- ❌ Missing essential components (LEDs, buttons, switches)
- 🖱️ Poor UI/UX with unintuitive controls
- 🔍 Zoom limitations - can't see full breadboard
- 🚫 Cannot move or rotate components after placement

**Reported bugs**

- App crashes on startup or when creating new breadboard
- App crashes when placing components
- App crashes when using oscilloscope
- App crashes when adding capacitors
- Circuits don't save between sessions

**Requested features**

- LEDs and LED indicators
- Push buttons and switches
- 555 timer IC
- Comparators in chip library
- Op-amps and more analog components


### BT Powerbox

[App page](https://appshunter.io/ios/app/bt-powerbox/id6474611769)

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

**In-app purchases:** none


## Frequently asked questions

### Is Breadpad free?

Breadpad is free to download, with in-app purchases available.

### Is BT Powerbox free?

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

### Do Breadpad or BT Powerbox have ads?

Neither Breadpad nor BT Powerbox shows ads.

### Which is updated more often, Breadpad or BT Powerbox?

Breadpad ships an update fortnightly, and BT Powerbox every 20 months. Most recently, Breadpad was updated on October 18, 2026 and BT Powerbox on October 15, 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.*