i vs CHKNESA
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
i
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âi-Invigilation (HKDSE)â is one of the mobile applications under the PESS2 designated for facilitating HKDSE invigilators to perform invigilation duties and enhance the efficiency of examination procedures, such as candidates' attendance recording and script collection, in the examination centres.
CHKNESA
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Nesa connects members with our iPhone application and online platform. We aim to strengthen communication between parents and teachers and minimise administrative works. æ°èéååæåžæééææ©æçšçšåŒå網äžå¹³å°ïŒåšåæ建ç«äžåå¶æ°æºéæ©æšïŒé£ç¹«æå¡ãç®çæ¯å 匷åæä¿¡æ¯æµéïŒæžå°æè·å¡è¡æ¿å·¥äœïŒè¡æ¿ç®¡çç¡çŽåçã
Screenshots
Verdict
The clearest difference is update cadence: CHKNESA at every 3 weeks against i's every 12 months. CHKNESA also leads on iOS requirement (9.0 vs 12.1). 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.
i ships an update every 12 months, CHKNESA every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | i | CHKNESA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 3 weeks â better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod â better |
| Requires iOS | 12.1 | 9.0 â better |
| Further details â not scored | ||
| Size | 64 MB | 127 MB |
| Age rating | 17+ | 4+ |
| Developer | Hong Kong Examinations And Assessment Authority | BULL.B TECHNOLOGY LIMITED |
In-app purchases
i
No in-app purchases
CHKNESA
No in-app purchases
