Comparison

Mark6 Reminder vs A chang

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

Head to head
About

Mark6 Reminder

Features
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Whether you're at the counter or researching your favorite numbers at home, just open the app: 【Live Draw Information】 • Auto-sync with the latest draw results • Detailed prize breakdowns for top 3 awards 【Lucky Number Verification】 • Check past winning records for 6-20 number combinations • Special markers for jackpot-winning combos • Save and track performance of favorite numbers 【Popular Community Analysis Methods】 • Integrated statistics for big/small, odd/even, color trends • Professional analysis of long-missing cold numbers and recent hot numbers • Community-favorite prediction tools; Smart Wheel for small bets with big potential

About

A chang

Features
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This APP connects to the visual earpiece device via wireless WiFi. It enables you to view the close-up camera footage directly on your mobile phone in real time. When viewing the footage, you can flip the image. You can also take photos and record videos to save the current scene in your phone's photo album. There is also a built-in album where you can view the photos and videos.

Screenshots

Mark6 Reminder4 screens
A chang3 screens

Verdict

The call

The clearest difference is ads: A chang at none against Mark6 Reminder's shown. A chang also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13 vs 15.6). On price, 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

Mark6 Reminder ships an update every 2 months, A chang fortnightly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 3 level
Mark6 Reminder versus A chang: the parameters behind the verdict, then further details
ParameterMark6 ReminderA chang
PriceFreeFree
Update frequencyEvery 2 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613 — better
Further details — not scored
Size37 MB2 MB
Age rating17+4+
DeveloperHeung Kai ChanShenzhen Shenglong Technology Co., Ltd

In-app purchases

None

Mark6 Reminder

No in-app purchases

None

A chang

No in-app purchases

Questions

Is Mark6 Reminder free?
Mark6 Reminder is free to download, with no in-app purchases.
Is A chang free?
A chang is free to download, with no in-app purchases.
Do Mark6 Reminder or A chang have ads?
Mark6 Reminder shows ads; A chang does not.
Which is updated more often, Mark6 Reminder or A chang?
Mark6 Reminder ships an update every 2 months, and A chang fortnightly. Most recently, Mark6 Reminder was updated on September 23, 2026 and A chang on September 20, 2026.

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