# WireSizer vs Epoch Pro

The clearest difference is price: Epoch Pro at Free against WireSizer's $4.99. Epoch Pro also leads on iOS requirement (13.0 vs 26.0). WireSizer's advantage is rating (4.5 vs 3.9) and review sentiment (84% vs 59%). On ads, in-app purchases and device support there is nothing between them.

Epoch Pro is free to download; WireSizer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WireSizer holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: WireSizer has 227 ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 84% of WireSizer's written reviews are positive against 59% of Epoch Pro's.

WireSizer ships an update every 5 months, Epoch Pro every 13 months. Both last shipped on October 21, 2026.

## The numbers

| Metric | WireSizer | Epoch Pro |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (227 ratings)](https://appshunter.io/ios/app/wiresizer-dc-voltage-drop/id494748550/reviews)** | [3.9 (26 ratings)](https://appshunter.io/ios/app/epoch-pro/id6463113720/reviews) |
| Number of ratings | **227** | 26 |
| Positive reviews | **83.8% of reviews** | 58.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 13 months |
| Monetization | Paid | **Free** |
| Size | 2 MB | 17 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juggernaut Technology, Inc.](https://appshunter.io/developer/494748553) | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) |

## What reviewers say

### WireSizer

[App page](https://appshunter.io/ios/app/wiresizer-dc-voltage-drop/id494748550)

This app quickly calculates the correct DC wire gauge needed for any circuit. Simply input voltage, current, and length to determine the optimal wire size, considering voltage drop and ampacity limits. It's suitable for various DC systems up to 60 VDC.

**Highlights:** Instant DC wire size calculation, Voltage drop percentage selection, Ampacity limit checks, Supports various wire types and gauges, Adjustable for installation conditions, Materials list for selections

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Quick calculations
- 💡 ABYC-based calculations
- 👍 Interactive interface
- 👍 Essential tool for electrical projects

**What reviewers complain about**

- ⚠️ Limited to 50VDC
- ⚠️ No AC calculations
- ⚠️ Lacks advanced features
- ⚠️ Some users find it useless
- ⚠️ Voltage drop percentage requires conversion

**Requested features**

- AC calculation for higher voltages
- Support for higher DC voltages (e.g., 150VDC)
- Support for AC voltages (e.g., 240VAC)
- Include actual voltage drop on final screen
- More variables like wire ampacity and cables in a bundle


### Epoch Pro

[App page](https://appshunter.io/ios/app/epoch-pro/id6463113720)

Monitor and manage your Epoch Pro batteries with this app. It provides real-time data on individual batteries and systems, offers Bluetooth connectivity for enhanced user experience, and helps extend battery life and stability.

**Highlights:** Real-time SOC, voltage, current, capacity, temperature monitoring, Individual battery voltage and alarm status display, Cell temperature and parameter warnings (over/under voltage, over current), Bluetooth connectivity for battery systems, Record of warnings and protection events, Extend battery service life and enhance stability

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WireSizer free?

WireSizer costs $4.99, with no in-app purchases.

### Is Epoch Pro free?

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

### Which has better reviews, WireSizer or Epoch Pro?

WireSizer is rated higher. WireSizer averages 4.5 out of 5 from 227 ratings, while Epoch Pro averages 3.9 from 26 ratings.

### Do WireSizer or Epoch Pro have ads?

Neither WireSizer nor Epoch Pro shows ads.

### Which is updated more often, WireSizer or Epoch Pro?

WireSizer ships an update every 5 months, and Epoch Pro every 13 months. Most recently, WireSizer was updated on October 21, 2026 and Epoch Pro on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*