Comparison

eFlow vs HiSolar

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

Head to head
About

eFlow

Monitor the capacity of your water filters using a Bluetooth flow meter. Track multiple filters simultaneously to ensure optimal performance and timely replacements.

Highlights
  • Read water filter capacity via Bluetooth
  • Connect to Bluetooth flow meter
  • Monitor multiple water filters
  • Track filter performance
Features
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. Reading water filter capacity from the Bluetooth flow meter. . Monitoring multiple water filter at the same time

About

HiSolar

Monitor and control your green energy devices locally. View device status, adjust settings, check alarms, and export logs. Update firmware directly from your mobile phone.

Highlights
  • Local device login
  • Monitor running status
  • Set parameters
  • View alarms
  • Export logs
  • Update firmware
Features
Read full description

The HiSolar app allows you to locally log in to a device. You can use a mobile phone to monitor the device running status, set parameters, view alarms, export logs, and update the firmware.

Screenshots

eFlow3 screens
HiSolar4 screens

Verdict

The call

eFlow and HiSolar are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

UpkeepUpdate frequency

eFlow ships an update every 3 weeks, HiSolar monthly. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

ScorecardNo meaningful differences
eFlow versus HiSolar: the parameters behind the verdict, then further details
ParametereFlowHiSolar
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews50.0% of reviews50.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11 — better12.0
Further details — not scored
Size3 MB257 MB
Age rating12+4+
DeveloperSavant Electronics Inc.深圳市泽联格迈科技有限公司

Customer experience

eFlow

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

HiSolar

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

eFlow

No in-app purchases

None

HiSolar

No in-app purchases

Questions

Is eFlow free?
eFlow is free to download, with no in-app purchases.
Is HiSolar free?
HiSolar is free to download, with no in-app purchases.
Do eFlow or HiSolar have ads?
Neither eFlow nor HiSolar shows ads.
Which is updated more often, eFlow or HiSolar?
eFlow ships an update every 3 weeks, and HiSolar monthly. Most recently, eFlow was updated on October 2, 2026 and HiSolar on September 28, 2026.

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