Comparison

UMLink vs APTROCK

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

Head to head
About

UMLink

View and record live microscope feeds from M-JPEG compatible devices. Capture snapshots, freeze images, and utilize measurement tools for detailed analysis.

Highlights
  • M-JPEG microscope support
  • Real-time preview
  • Snapshot capture
  • Video recording
  • Image freeze
  • Measurement functions
Features
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UMLink supports M-JPEG format microscope connection, allowing real time preview. Features : • Snapshot • Video recording • Image freeze • Flip • Measurement functions

About

APTROCK

Read full description

This app is used with the NFC smart lock provided by 4quad (www.4quad.com), which has no battery, no charging, high security, easy to use. With this APP you can manage multiple locks, quickly Lock & UnLock the lock, manage lock passwords, read & write the NDEF information etc.

Screenshots

UMLink4 screens
APTROCK4 screens

Verdict

The call

The clearest difference is update cadence: UMLink at monthly against APTROCK's every 3 months. UMLink also leads on iOS requirement (9.3 vs 13.0). 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

UMLink ships an update monthly, APTROCK every 3 months. The most recent releases landed on September 28, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
UMLink versus APTROCK: the parameters behind the verdict, then further details
ParameterUMLinkAPTROCK
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.3 — better13.0
Further details — not scored
Size7 MB48 MB
Age rating4+4+
DeveloperMicrolinks Technology Co,.LtdSixiangxian Enterprise Development (Shanghai) Co., Ltd.

In-app purchases

None

UMLink

No in-app purchases

None

APTROCK

No in-app purchases

Questions

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

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