# Saigon MRT vs B

The clearest difference is in-app purchases: Saigon MRT at none against B's 2. Saigon MRT also leads on ads (none vs shown). B's advantage is update cadence (every 6 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. B sells 2 in-app purchases, starting at $1.99 per month. Saigon MRT asks for nothing beyond the download.

Saigon MRT ships an update monthly, B every 6 days. The most recent releases landed on September 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Saigon MRT | B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 6 days** |
| Size | 22 MB | 150 MB |
| Requires iOS | **15** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Duy Tan Nguyen](https://appshunter.io/developer/1806618735) | [B-ticket](https://appshunter.io/developer/1843785730) |

## What reviewers say

### Saigon MRT

[App page](https://appshunter.io/ios/app/saigon-mrt/id6744263363)

**Features:** macOS Compatibility

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b-ticket/id6753974452)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solo Monthly | $1.99 | per month |
| Solo Yearly | $14.99 | per year |


## Frequently asked questions

### Is Saigon MRT free?

Saigon MRT is free to download, with no in-app purchases.

### Is B free?

B is free to download, with in-app purchases available.

### Do Saigon MRT or B have ads?

B shows ads; Saigon MRT does not.

### Which is updated more often, Saigon MRT or B?

Saigon MRT ships an update monthly, and B every 6 days. Most recently, Saigon MRT was updated on September 17, 2026 and B on October 3, 2026.

---

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