SISTER 進發 vs AY SelfProtect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SISTER 進發
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As a professional machine center supplier, we have held the business spirit of “High Speed Cutting, High Quality, Express Service, and Customer First” and it has made SISTER a trusted cutting partner since the founding of SISTER Machine Technology Co., Ltd. in October of 2006. We have carried a wide range of machining centers, such as high speed machine center, vertical machine center, CNC vertical machining center, double column high speed machine center, double column machine, graphite machine center… To help customers increase productivity and maximize their ability to compete, SISTER’s team continuously searches for new technology in the rapid developing Machine Tool Industry and strives to provide top-class quality and services.
AY SelfProtect
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AY SelfProtect is your AI-powered digital bodyguard, protecting you against social engineering attacks. Detection The app shows you your data exposed on social networks and leaked on the darkweb that can be exploited by attackers. Remediation Based on your exposed data, a personalized action plan is proposed. These actions will enable you to understand the threats and correct your exposure. In addition, help sheets are available to support you in your digital life. Alert As soon as new data is exposed or leaked, you'll receive a notification to quickly correct it.
Screenshots
Verdict
The clearest difference is update cadence: SISTER 進發 at every 5 weeks against AY SelfProtect's every 3 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SISTER 進發 ships an update every 5 weeks, AY SelfProtect every 3 months. The most recent releases landed on September 8, 2026 and September 7, 2026 respectively.
| Parameter | SISTER 進發 | AY SelfProtect |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 18 MB | 9 MB |
| Age rating | 4+ | 17+ |
| Developer | GT MARKET CONSULTING CO., LTD. | anozrway |
In-app purchases
SISTER 進發
No in-app purchases
AY SelfProtect
No in-app purchases
Questions
Is SISTER 進發 free?
Is AY SelfProtect free?
Do SISTER 進發 or AY SelfProtect have ads?
Which is updated more often, SISTER 進發 or AY SelfProtect?
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