# Programmer Calculator Pro vs Breadpad

The clearest difference is review sentiment: Programmer Calculator Pro at 100% against Breadpad's 33%. Programmer Calculator Pro also leads on rating (5.0 vs 3.9) and in-app purchases (none vs 3). Breadpad's advantage is price (Free vs $3.99) and update cadence (fortnightly vs every 44 months). On ads and device support there is nothing between them.

Breadpad is free to download; Programmer Calculator Pro costs $3.99 up front. Breadpad sells 3 in-app purchases, starting at $4.99 per month. Programmer Calculator Pro asks for nothing beyond the download.

Programmer Calculator Pro holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Breadpad has 161 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Programmer Calculator Pro's written reviews are positive against 33% of Breadpad's.

Programmer Calculator Pro ships an update every 44 months, Breadpad fortnightly. The most recent releases landed on September 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Programmer Calculator Pro | Breadpad |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/programmer-calculator-pro/id1628019557/reviews)** | [3.9 (161 ratings)](https://appshunter.io/ios/app/breadpad-spice-simulator/id6443904179/reviews) |
| Number of ratings | 1 | **161** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 44 months | **Fortnightly** |
| Monetization | Paid | **Freemium** |
| Best chart rank | — | **#84** |
| Size | 10 MB | 63 MB |
| Requires iOS | **16** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Juan Bustos](https://appshunter.io/developer/1628019559) | [FreshBizOpps, LLC](https://appshunter.io/developer/1506039373) |

## What reviewers say

### Programmer Calculator Pro

[App page](https://appshunter.io/ios/app/programmer-calculator-pro/id1628019557)

Perform instant conversions between binary, decimal, octal, and hexadecimal number systems. Supports various arithmetic and logical operations, including bitwise functions. Handles negative numbers and fractions with 8 to 64-bit support.

**Highlights:** Number system conversions (Binary, Decimal, Octal, Hexadecimal), Arithmetic operations (Add, Subtract, Multiply, Divide, Mod), Logical operations (AND, OR, NOT, XOR, INC, DEC, SHL, SHR, ROL, ROR), 8-64 bit support, Negative number and fraction support, Copy, Paste, and Share functionality

**Features:** Vision Pro support

**In-app purchases:** none


### Breadpad

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

**Currently charting:** #84 Top Grossing · Developer Tools (US App Store)

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


## Frequently asked questions

### Is Programmer Calculator Pro free?

Programmer Calculator Pro costs $3.99, with no in-app purchases.

### Is Breadpad free?

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

### Which has better reviews, Programmer Calculator Pro or Breadpad?

Programmer Calculator Pro is rated higher. Programmer Calculator Pro averages 5.0 out of 5 from 1 ratings, while Breadpad averages 3.9 from 161 ratings.

### Do Programmer Calculator Pro or Breadpad have ads?

Neither Programmer Calculator Pro nor Breadpad shows ads.

### Which is updated more often, Programmer Calculator Pro or Breadpad?

Programmer Calculator Pro ships an update every 44 months, and Breadpad fortnightly. Most recently, Programmer Calculator Pro was updated on September 16, 2026 and Breadpad on October 11, 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.*