# DC Wire Sizer vs Epoch Li

The clearest difference is review sentiment: DC Wire Sizer at 100% against Epoch Li's 29%. DC Wire Sizer also leads on rating (5.0 vs 2.6) and chart position (#169 vs unranked). Epoch Li's advantage is price (Free vs $2.99) and update cadence (every 3 weeks vs every 20 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Epoch Li is free to download; DC Wire Sizer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DC Wire Sizer holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 24 and 70 respectively. Written reviews point the same way: 100% of DC Wire Sizer's written reviews are positive against 29% of Epoch Li's.

DC Wire Sizer ships an update every 20 months, Epoch Li every 3 weeks. The most recent releases landed on October 3, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | DC Wire Sizer | Epoch Li |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (24 ratings)](https://appshunter.io/ios/app/dc-wire-sizer/id629190351/reviews)** | [2.6 (70 ratings)](https://appshunter.io/ios/app/epoch-li-ion/id1640434817/reviews) |
| Number of ratings | 24 | **70** |
| Positive reviews | **100.0% of reviews** | 29.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#169** | — |
| Size | 21 MB | 35 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dirty Dog Software, LLC](https://appshunter.io/developer/629190354) | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) |

## What reviewers say

### DC Wire Sizer

[App page](https://appshunter.io/ios/app/dc-wire-sizer/id629190351)

**Currently charting:** #169 Top Paid · Utilities (US App Store)

Calculate appropriate DC wire sizes for electrical projects, preventing equipment damage and fires. Save, edit, and export wire run details for electrical plans and material purchases. Features a wizard for easy sizing for all users.

**Highlights:** Calculates wire size, voltage drop, and ampacity, Supports custom DC voltages up to 500 amps, Save, edit, and export wire run details, Sizer Wizard for easy calculations, Select marine standards (ABYC or ISO), Choose from various wire types and insulation ratings

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

**In-app purchases:** none


### Epoch Li

[App page](https://appshunter.io/ios/app/epoch-li-ion/id1640434817)

Monitor your lithium-ion battery system in real-time via Bluetooth. View voltage, current, power, and internal resistance. Receive alerts for temperature, short circuits, and voltage deviations to extend battery life and enhance stability.

**Highlights:** Real-time voltage, current, power, and internal resistance display, Individual battery voltage and alarm status monitoring, Cell comparison and balancing display, Temperature and critical parameter warnings, Record of all warnings and protection events

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

**In-app purchases:** none

**What reviewers like**

- 🔋 Outstanding battery performance and capacity
- 📱 Excellent real-time battery monitoring
- 👍 Simple and clean app interface (mentioned by one user)
- ⚡ Fast and efficient charging performance
- 💡 Provides detailed battery information (SOC, voltage, current, temp, cells)

**What reviewers complain about**

- 🐛 Frequent Bluetooth connection issues (drops, doesn't auto-connect)
- 🐛 App crashes frequently
- 🐛 Clunky and unreliable Bluetooth connectivity
- 🐛 App disconnects when minimized or switching apps
- 🐛 Does not remember previously connected devices

**Reported bugs**

- Bluetooth does not auto-connect
- Bluetooth signal frequently drops
- App crashes frequently
- App disconnects when minimized or switching apps
- App does not remember previously connected devices

**Requested features**

- Filter Bluetooth devices by MAC address prefix
- Implement BLE non-exclusive connection
- Bring back old app features (time to charge/discharge)
- Document app data and features
- Provide password for advanced settings


## Frequently asked questions

### Is DC Wire Sizer free?

DC Wire Sizer costs $2.99, with no in-app purchases.

### Is Epoch Li free?

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

### Which has better reviews, DC Wire Sizer or Epoch Li?

DC Wire Sizer is rated higher. DC Wire Sizer averages 5.0 out of 5 from 24 ratings, while Epoch Li averages 2.6 from 70 ratings.

### Do DC Wire Sizer or Epoch Li have ads?

Neither DC Wire Sizer nor Epoch Li shows ads.

### Which is updated more often, DC Wire Sizer or Epoch Li?

DC Wire Sizer ships an update every 20 months, and Epoch Li every 3 weeks. Most recently, DC Wire Sizer was updated on October 3, 2026 and Epoch Li on October 16, 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.*