# JAYCOMMAND/TravelLINK vs Epoch Li

The clearest difference is rating: Epoch Li at 2.6 against JAYCOMMAND/TravelLINK's 1.9. Epoch Li also leads on monetization model (free vs free with in-app purchases) and review sentiment (29% vs 7%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Epoch Li holds the better App Store score, 2.6 against 1.9. Both are backed by a comparable volume of ratings — 169 and 70 respectively. Written reviews point the same way: 7% of JAYCOMMAND/TravelLINK's written reviews are positive against 29% of Epoch Li's.

JAYCOMMAND/TravelLINK ships an update every 3 months, Epoch Li every 3 weeks. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | JAYCOMMAND/TravelLINK | Epoch Li |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (169 ratings)](https://appshunter.io/ios/app/jaycommandtravellink/id1459072903/reviews) | **[2.6 (70 ratings)](https://appshunter.io/ios/app/epoch-li-ion/id1640434817/reviews)** |
| Number of ratings | **169** | 70 |
| Positive reviews | 7.4% of reviews | **29.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 35 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BM PRO](https://appshunter.io/developer/849500568) | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) |

## What reviewers say

### JAYCOMMAND/TravelLINK

[App page](https://appshunter.io/ios/app/jaycommandtravellink/id1459072903)

Manage and monitor your RV's features remotely through a mobile application. Control lighting, HVAC, slide-outs, and monitor tank levels, temperatures, and battery voltage. Designed for specific North American RV brands, it offers a user-friendly interface for convenient RV management.

**Highlights:** Monitor water tanks, temperatures, propane, tire pressure, battery, Control lighting, slide-outs, awnings, HVAC, generators, User-friendly mobile interface, Bluetooth and cloud connectivity, Scalable system with SmartConnect sensors, DIY sensor installation

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

**In-app purchases:** none

**What reviewers like**

- 💡 Smart home-like control capabilities (lights, AC, slides from distance)
- 📊 Accurate sensor readings for temperature and tank levels
- 🔌 Convenient remote access when working properly
- ⚡ Bluetooth connectivity works reasonably well when in close proximity
- 🎯 Useful for pre-cooling/heating RV before arrival

**What reviewers complain about**

- 🐛 Extremely unreliable and inconsistent performance
- ⏱️ Long Bluetooth connection delays (10-15+ seconds)
- ☁️ Cloud connection frequently fails or doesn't work
- 🔌 App requires constant proximity to RV for reliable control
- 📱 Lacks background app refresh and push notifications

**Reported bugs**

- Firmware update fails and gets stuck in update loop
- App freezes and requires force restart
- Bluetooth connection takes excessive time to establish
- Cloud connection drops or fails to connect
- Controls don't respond or respond inconsistently

**Requested features**

- Background app refresh and push notifications for critical alerts
- CarPlay and Android Auto integration
- Multi-user simultaneous connection support
- Physical backup switches for essential functions
- Ability to label propane tanks and other sensors


### 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 JAYCOMMAND/TravelLINK free?

JAYCOMMAND/TravelLINK is free to download, with no in-app purchases.

### Is Epoch Li free?

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

### Which has better reviews, JAYCOMMAND/TravelLINK or Epoch Li?

Epoch Li is rated higher. JAYCOMMAND/TravelLINK averages 1.9 out of 5 from 169 ratings, while Epoch Li averages 2.6 from 70 ratings.

### Do JAYCOMMAND/TravelLINK or Epoch Li have ads?

Neither JAYCOMMAND/TravelLINK nor Epoch Li shows ads.

### Which is updated more often, JAYCOMMAND/TravelLINK or Epoch Li?

JAYCOMMAND/TravelLINK ships an update every 3 months, and Epoch Li every 3 weeks. Most recently, JAYCOMMAND/TravelLINK was updated on October 21, 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.*