ISB vs PSO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISB
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Ứng dụng bao gồm các tính năng như xem thông tin cá nhân, tìm kiếm, thông tin tài khoản.
PSO
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PSO is the higher education provider offering diversified choices of global educational programs equipping students with cutting-edge business knowledge and skills through hands- on projects guiding by international professionals and industry experts.
Screenshots
Verdict
ISB and PSO 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.
ISB ships an update every 3 weeks, PSO every 2 weeks. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.
| Parameter | ISB | PSO |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 | 12 — better |
| Further details — not scored | ||
| Size | 35 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | AziWorld Co.,Ltd | Beowulf Network Inc |
In-app purchases
ISB
No in-app purchases
PSO
No in-app purchases
