Comparison

SHEYIN vs Lexis Graph

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

Head to head

Follow the Life of Words.

Free

🔧 Utilities

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About

SHEYIN

Features

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Sheyin App is an official supporting application developed by Guangzhou Sheyin Technology Co., Ltd. for its branded products. It is designed to connect and manage all Sheyin devices. Once connected via the app, users can check the connection status and battery level of earbuds and other devices, as well as customize multiple headphone functions. These include sound effect mode adjustment, listening mode switching, touch control configuration, firmware updates and more. It enables users to operate earphones and other smart audio devices more conveniently in various scenarios.

About

Lexis Graph

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Understand words through graphs, not isolated memorization. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SHEYIN4 screens

Lexis Graph4 screens

Verdict

The call

The clearest difference is in-app purchases: SHEYIN at none against Lexis Graph's 3. SHEYIN also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads 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. Lexis Graph sells 3 in-app purchases, starting at $1.99 per month. SHEYIN asks for nothing beyond the download.

UpkeepUpdate frequency

SHEYIN ships an update every 2 weeks, Lexis Graph every 3 weeks. The most recent releases landed on September 19, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 4 level

SHEYIN versus Lexis Graph: the parameters behind the verdict, then further details
Parameter	SHEYIN	Lexis Graph
Price	Free	Free
Update frequency	Every 2 weeks — better	Every 3 weeks
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad, Mac — better
Requires iOS	13.0 — better	17.0
Further details — not scored
Size	86 MB	121 MB
Age rating	4+	4+
Developer	Guangzhou Sheyin Technology Co., Ltd.	禹杜

In-app purchases

None

SHEYIN

No in-app purchases

3 purchases

Lexis Graph

Subscriptions2

「Lexis Graph」Pro Monthly$1.991 Month
「Lexis Graph」Pro Yearly$14.991 Year

One-time1

「Lexis Graph」Pro Lifetime$19.99

Questions

Is SHEYIN free?

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

Is Lexis Graph free?

Lexis Graph is free to download, with in-app purchases available.

Do SHEYIN or Lexis Graph have ads?

Neither SHEYIN nor Lexis Graph shows ads.

Which is updated more often, SHEYIN or Lexis Graph?

SHEYIN ships an update every 2 weeks, and Lexis Graph every 3 weeks. Most recently, SHEYIN was updated on September 19, 2026 and Lexis Graph on September 15, 2026.