Comparison

Epoch Li vs Necto Sensor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Epoch Li

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
Read full description

Make sure you have the latest app version. Turn on your Bluetooth. Tap the icon to open the App. It will search for all Epoch batteries within the range of your Bluetooth device and provide a list. If all the batteries are not listed, move closer to the battery location and refresh the screen. Choose the battery you want to look at. The Epoch intelligent battery management system and the active equalizer are connected via Bluetooth to monitor the battery status, collect, store and process information during battery operation in real time, exchange information with external devices, and solve the safety, usability and usage of the lithium battery system The key issue of life is to extend the service life of the battery to a certain extent, and to enhance the stability of the battery pack to a certain extent. 1. Display real-time voltage, current, power, internal resistance and other parameter values, and display them in the form of instrument panels and numbers; 2. Display the real-time voltage and alarm status of all single batteries. If the reported parameters trigger the alarm value or protection value, an alarm will be prompted; 3. Each data comparison of the battery cell, the voltage difference. Maximum voltage cell Minimum voltage cell. And the display of cell balance 4. Cell temperature warning. Real-time alarm for over temperature, short circuit, over voltage, under voltage 5. Record the warnings that occur at each moment. 6. Record all battery protection times. Best Regards !

About

Necto Sensor

This app allows real-time remote monitoring of temperature, humidity, and power status using a cellular-connected sensor. It sends customizable alerts for critical environmental changes, providing peace of mind for property conditions.

Highlights
  • Real-time temperature monitoring
  • Real-time humidity monitoring
  • Power status monitoring
  • Cellular network operation (no Wi-Fi needed)
  • Customizable alert thresholds
  • Device registration and setup
Features
Read full description

Remotely monitor any location with Necto Necto’s innovative 3-in-1 sensor provides real-time monitoring of temperature, humidity, and power status, ensuring you stay informed about your environment at all times. Operating over the nationwide cellular network via its built-in SIM card, Necto eliminates the need for Wi-Fi. With the Necto app, you can easily register your device and start monitoring in minutes. Customize alert thresholds to be notified of any critical changes and view the latest temperature and humidity readings in real-time. Have peace of mind knowing that Necto is keeping an eye on your property’s conditions. Please call or email support if you need assistance, have found a bug, or would like to request a feature.

Screenshots

Epoch Li4 screens
Necto Sensor4 screens

Verdict

The call

The clearest difference is review sentiment: Necto Sensor at 100% against Epoch Li's 29%. Necto Sensor also leads on rating (4.7 vs 2.6). Epoch Li's advantage is ratings volume (70 vs 6) and update cadence (every 3 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Necto Sensor holds the better App Store score, 4.7 against 2.6. That said, the two scores are not equally well evidenced: Epoch Li has 70 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 29% of Epoch Li's written reviews are positive against 100% of Necto Sensor's.

UpkeepUpdate frequency

Epoch Li ships an update every 3 weeks, Necto Sensor every 6 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Epoch Li versus Necto Sensor: the parameters behind the verdict, then further details
ParameterEpoch LiNecto Sensor
PriceFreeFree
Rating2.6 (70 ratings)4.7 (6 ratings) — better
Positive reviews29.2% of reviews100.0% of reviews — better
Number of ratings70 — better6
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.013.0
Further details — not scored
Size35 MB32 MB
Age rating17+4+
DeveloperEDG Sales International LLCYT INNOVATIONS LLC

Customer experience

Epoch Li

All ratings70 ratings
Positive35.7%
Neutral5.7%
Negative58.6%
Written reviews48 reviews
Positive29.2%
Neutral10.4%
Negative60.4%

Necto Sensor

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Epoch Li

Reported bugs

14 issues
  • 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
Show 9 more
  • App shows incorrect battery charge levels
  • App history tab is useless
  • App is not documented, data is unclear
  • App shows 0% or no data after recent updates
  • App does not always reflect true battery charge
  • App cannot see information from multiple batteries in series
  • App has backward animations and sloppy UI
  • App requires password for advanced settings without providing it
  • App disconnects and will not re-connect until app is killed and reopened

Requested features

10 requests
  • 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
Show 5 more
  • Allow saving of battery connections/names
  • Release old app as a separate option
  • Improve Bluetooth connection stability and range
  • Fix incorrect battery charge readings
  • Display data for multiple batteries in series correctly

Necto Sensor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Epoch Li

No in-app purchases

None

Necto Sensor

No in-app purchases

Questions

Is Epoch Li free?
Epoch Li is free to download, with no in-app purchases.
Is Necto Sensor free?
Necto Sensor is free to download, with no in-app purchases.
Which has better reviews, Epoch Li or Necto Sensor?
Necto Sensor is rated higher. Epoch Li averages 2.6 out of 5 from 70 ratings, while Necto Sensor averages 4.7 from 6 ratings.
Do Epoch Li or Necto Sensor have ads?
Neither Epoch Li nor Necto Sensor shows ads.
Which is updated more often, Epoch Li or Necto Sensor?
Epoch Li ships an update every 3 weeks, and Necto Sensor every 6 weeks. Most recently, Epoch Li was updated on October 16, 2026 and Necto Sensor on October 7, 2026.

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