TTParent BSB vs ONE15 Marina
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TTParent BSB
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School bus tracking system for Parents - Access bus arrival and departure information - Send your children to the pick up point at the right time - Be there on time to pick up your children when returning from school - Know the travel history of their children at any given time - Ensure if their children has reached the school/home - Monitor time duration at each stops - Email/Push notification updates - Track school bus breakdowns, traffic jams, natural hazards, etc.
ONE15 Marina
Manage your membership details, book facilities, and access your e-membership card. Request introduction letters to affiliate clubs and check e-vouchers. This app simplifies access to club services for members.
- Manage membership details
- Book club facilities
- Check e-vouchers
- Request introduction letters
- Access e-membership card
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This app is for Members of ONE°15 Marina to manage their membership details. Members are able to book facilities, check e-vouchers, request for introduction letters to affiliate & reciprocal clubs, access their eMembership card, and more.
Screenshots
Verdict
The clearest difference is iOS requirement: ONE15 Marina at 13.0 against TTParent BSB's 15.1. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.
| Parameter | TTParent BSB | ONE15 Marina |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Overdrive IoT Pte Ltd | SUTL MARINA DEVELOPMENT PTE. LTD |
In-app purchases
TTParent BSB
No in-app purchases
ONE15 Marina
No in-app purchases
