# Breadpad vs Tersa

The clearest difference is review sentiment: Tersa at 100% against Breadpad's 33%. Tersa also leads on in-app purchases (none vs 3) and iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

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

Breadpad ships an update fortnightly, Tersa every 2 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | Breadpad | Tersa |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Freemium | **Free** |
| Size | 63 MB | 122 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FreshBizOpps, LLC](https://appshunter.io/developer/1506039373) | [Denis Kosov](https://appshunter.io/developer/1563252853) |

## 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


### Tersa

[App page](https://appshunter.io/ios/app/tersa-circuit-simulator/id6805903884)

Design and analyze analog, digital, and RF circuits directly on your iPhone or iPad. Explore circuit behavior with various simulations and visualize results on clear plots. Supports SPICE model import and local project exploration.

**Highlights:** Schematic building, DC operating point analysis, AC and transient analyses, S-parameter analysis, Smith chart visualization, SPICE model import, Local simulation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Breadpad free?

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

### Is Tersa free?

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

### Do Breadpad or Tersa have ads?

Neither Breadpad nor Tersa shows ads.

### Which is updated more often, Breadpad or Tersa?

Breadpad ships an update fortnightly, and Tersa every 2 weeks. Most recently, Breadpad was updated on October 15, 2026 and Tersa 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.*