Greenbird vs 1823
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Greenbird
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Greenbird is a Smart Waste Management System which is connected to Smart Scale which records waste and recyclables data. This data can be uploaded to our Cloud Platform of Greenbird and tenant can see the daily and weekly statistics. This apps enables user of Greenbird system to perform the following processes pair the Smart Scale using Bluetooth technology transfer the waste data from Smart Scale to mobile device view the record collected on mobile device upload the data to Greenbird Cloud platform With big data analysis, Greenbird supports individual tenant to review its own waste data information via the apps Greenbird Tenant Portal. The solution helps to improve the awareness of environment protection by reducing weight and increasing recyclables %.
1823
Submit cases, view records, and get instant answers to government service inquiries. This app allows users to easily submit complaints, compliments, and suggestions to 23 participating departments.
- Submit cases with photos/videos
- Track case history and replies
- Instant answers via FAQ and Chatbot
- Submit compliments and suggestions
- Contact 23 participating departments
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1823, managed by the Digital Policy Office of the Government of the Hong Kong Special Administrative Region, handles enquiries, compliments and suggestions for 23 participating departments and receives complaints about any area of Hong Kong Government services. - KEY FEATURES - • Case submission Submit cases with ease using user-friendly forms. You can also upload photos and videos, record a voice message and mark the case location on a map. • Case record and replies View your case history, check replies from the departments, follow up on cases, or inform 1823 to close cases. • Instant answers to simple enquiries Get instant answers from FAQs on 1823 Online through auto-search, or have simple enquiries handled instantly by Chatbot Tammy. Privacy Statement: https://www.1823.gov.hk/en/mobile-app/privacy-policy Personal Information Collection Statement: https://www.1823.gov.hk/en/mobile-app/pics
Screenshots
Verdict
The clearest difference is update cadence: 1823 at every 2 months against Greenbird's every 6 months. Greenbird's advantage is iOS requirement (9.0 vs 15.6). 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.
Greenbird ships an update every 6 months, 1823 every 2 months. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively.
| Parameter | Greenbird | 1823 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 39 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | BeeTree | 1823, HKSAR Government |
In-app purchases
Greenbird
No in-app purchases
1823
No in-app purchases
