# EPC, Herth+Buss vs Circuit Planner

The clearest difference is price: EPC, Herth+Buss at Free against Circuit Planner's $2.99. EPC, Herth+Buss also leads on iOS requirement (11.0 vs 15). Circuit Planner's advantage is update cadence (every 2 weeks vs every 10 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

EPC, Herth+Buss is free to download; Circuit Planner costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EPC, Herth+Buss ships an update every 10 months, Circuit Planner every 2 weeks. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | EPC, Herth+Buss | Circuit Planner |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | 60.0% of reviews | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Size | 28 MB | 7 MB |
| Requires iOS | **11.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DVSE GmbH](https://appshunter.io/developer/436130172) | [Axel Hauschild](https://appshunter.io/developer/981831700) |

## What reviewers say

### EPC, Herth+Buss

[App page](https://appshunter.io/ios/app/epc-herth-plus-buss/id475320452)

This app provides quick access to a comprehensive catalog of automotive replacement parts for Asian vehicle models. It offers up-to-date data quality and is completely free to use, making it easy to find the right part on your smartphone or tablet.

**Highlights:** Access to entire Herth+Buss product range, Searchable by various criteria, Extensive catalog for Asian vehicle models, Monthly updated vehicle data, Includes product images, Free to use

**Features:** Vision Pro support

**In-app purchases:** none


### Circuit Planner

[App page](https://appshunter.io/ios/app/circuit-planner/id6472896392)

Design professional IEC circuit diagrams with a user-friendly interface. Access a vast library of symbols, utilize automatic connection features, and export your plans in PDF format. Ideal for electrical engineering projects.

**Highlights:** User-friendly interface for circuit diagram creation, 1056 integrated IEC circuit diagram symbols, Automatic connection system for precise wiring, Export diagrams in PDF format, Supports A4, A3, A2 formats with up to 20 drawing sheets, Automatic backup of project data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EPC, Herth+Buss free?

EPC, Herth+Buss is free to download, with no in-app purchases.

### Is Circuit Planner free?

Circuit Planner costs $2.99, with no in-app purchases.

### Do EPC, Herth+Buss or Circuit Planner have ads?

Neither EPC, Herth+Buss nor Circuit Planner shows ads.

### Which is updated more often, EPC, Herth+Buss or Circuit Planner?

EPC, Herth+Buss ships an update every 10 months, and Circuit Planner every 2 weeks. Most recently, EPC, Herth+Buss was updated on October 16, 2026 and Circuit Planner on October 9, 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.*