# TTStudent BSB vs YB Parent

The clearest difference is iOS requirement: YB Parent at 10.0 against TTStudent BSB's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TTStudent BSB ships an update every 2 months, YB Parent monthly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TTStudent BSB | YB Parent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 33 MB | 18 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Overdrive IoT Pte Ltd](https://appshunter.io/developer/1506535988) | [Adaptive Cloud Systems Pte Ltd](https://appshunter.io/developer/1257623339) |

## What reviewers say

### TTStudent BSB

[App page](https://appshunter.io/ios/app/ttstudent-bsb/id1546359231)

**Features:** macOS Compatibility

**In-app purchases:** none


### YB Parent

[App page](https://appshunter.io/ios/app/yb-parent/id1580939891)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TTStudent BSB free?

TTStudent BSB is free to download, with no in-app purchases.

### Is YB Parent free?

YB Parent is free to download, with no in-app purchases.

### Do TTStudent BSB or YB Parent have ads?

Neither TTStudent BSB nor YB Parent shows ads.

### Which is updated more often, TTStudent BSB or YB Parent?

TTStudent BSB ships an update every 2 months, and YB Parent monthly. Most recently, TTStudent BSB was updated on October 20, 2026 and YB Parent on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*