Comparison

E Ink BT Solution vs ESL assistant

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

Head to head

E Ink BT Solution

Bluetooth App For EPD Device

About

E Ink BT Solution

Features

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The E Ink BT Solution App is a Bluetooth application designed specifically for the Bluetooth solution of E Ink Electronic Paper Display (EPD Device). Users get images from cameras and photo albums. Then transfer to the EPD device via Bluetooth This app support: 1. Smart Package 1.3" Solution 2. Smartphone dongle 2.9" solution

About

ESL assistant

Features

Read full description

Description: The ESL assistant is developed for users to manage the ESL tags. The main functions include ESL binding, ESL unbinding, batch update, product management, activating ESL devices, scanning code to identify ESL, viewing device heartbeats, monitoring device heartbeats and records, etc.

Screenshots

E Ink BT Solution3 screens

ESL assistant4 screens

Verdict

The call

The clearest difference is update cadence: ESL assistant at every 4 months against E Ink BT Solution's every 9 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

E Ink BT Solution ships an update every 9 months, ESL assistant every 4 months. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

Scorecard1 real difference · 5 level

E Ink BT Solution versus ESL assistant: the parameters behind the verdict, then further details
Parameter	E Ink BT Solution	ESL assistant
Price	Free	Free
Update frequency	Every 9 months	Every 4 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0	12.0 — better
Further details — not scored
Size	1 MB	22 MB
Age rating	4+	4+
Developer	E Ink Holdings Inc.	Yaliang Software Development Co., Ltd.

In-app purchases

None

E Ink BT Solution

No in-app purchases

None

ESL assistant

No in-app purchases

Questions

Is E Ink BT Solution free?

E Ink BT Solution is free to download, with no in-app purchases.

Is ESL assistant free?

ESL assistant is free to download, with no in-app purchases.

Do E Ink BT Solution or ESL assistant have ads?

Neither E Ink BT Solution nor ESL assistant shows ads.

Which is updated more often, E Ink BT Solution or ESL assistant?

E Ink BT Solution ships an update every 9 months, and ESL assistant every 4 months. Most recently, E Ink BT Solution was updated on September 24, 2026 and ESL assistant on September 10, 2026.