Mark6 Reminder vs A chang
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mark6 Reminder
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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
A chang
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Mark6 Reminder | A chang |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13 — better |
| Further details — not scored | ||
| Size | 37 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Heung Kai Chan | Shenzhen Shenglong Technology Co., Ltd |
In-app purchases
Mark6 Reminder
No in-app purchases
A chang
No in-app purchases









