ISF Mobile App vs SJ Ballet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISF Mobile App
Stay informed about the latest school news, events, and admissions for a K-12 Chinese-English bilingual program. Receive urgent message notifications and access the school calendar.
- School news updates
- Event announcements
- Admissions information
- School calendar access
- Urgent message notifications
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The ISF Academy is a non-profit, Private Independent School offering a 13-year Chinese-English bilingual program spanning from Foundation Year (K3) to Grade 12 in Hong Kong. Download the app for the latest school news and events, admissions news, school calendar, as well as urgent message notifications.
SJ Ballet
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SJ International School of Ballet is founded by Ms. Jin Yao, a well-known ballerina. It is located at 1 Suffolk Road, Kowloon Tong. We aim to build an unique Ballet education centre in Hong Kong, which provides cozy environment for students and parents. We have two standard studios that are equipped with Harlequin Floor, the worldwide professional dancing floor, outdoor performance stage, plus, two outdoor and one indoor common zone and cafeteria. The app introducing a new experience for the parent communication with the centre with: - Renewal or special event reminder - Deliver message or notice to parent - Enrollment details and renewal history - Class information - Photo Corner - e-Receipt and e-Invoice - Self makeup The app is owned and used by Jin's Art and Culture Development Limited
Screenshots
Verdict
ISF Mobile App and SJ Ballet are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
ISF Mobile App ships an update every 3 months, SJ Ballet every 2 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.
| Parameter | ISF Mobile App | SJ Ballet |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | EDU.INK Limited | Dreamware Limited |
In-app purchases
ISF Mobile App
No in-app purchases
SJ Ballet
No in-app purchases
Questions
Is ISF Mobile App free?
Is SJ Ballet free?
Do ISF Mobile App or SJ Ballet have ads?
Which is updated more often, ISF Mobile App or SJ Ballet?
Other comparisons
