# Air4casts vs SG Bus+ (Mrt Map)

The clearest difference is ads: Air4casts at none against SG Bus+ (Mrt Map)'s shown. Air4casts also leads on update cadence (every 5 weeks vs every 6 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

Air4casts ships an update every 5 weeks, SG Bus+ (Mrt Map) every 6 months. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Air4casts | SG Bus+ (Mrt Map) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 54 MB | 103 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Air4casts Ltd](https://appshunter.io/developer/1645875789) | [KingRex Solution](https://appshunter.io/developer/1659447067) |

## What reviewers say

### Air4casts

[App page](https://appshunter.io/ios/app/air4casts/id6443466620)

This app provides detailed daily summaries of the world's top 200 international airports for travel retail executives. Access passenger forecasts, traffic seasonality, top nationalities, demographics, leading airlines, destinations, and retailers. It also allows drilling down to peak hours and high spender proportions by terminal.

**Highlights:** In-depth airport data summaries, Passenger forecasts & traffic seasonality, Top passenger nationalities & demographics, Leading airlines, destinations, & retailers, Peak hour analysis, High spender proportion by terminal, Data download (Infographic/spreadsheet)

**Features:** macOS Compatibility

**In-app purchases:** none


### SG Bus+ (Mrt Map)

[App page](https://appshunter.io/ios/app/sg-bus-plus-mrt-map/id6751148046)

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

**In-app purchases:** none


## Frequently asked questions

### Is Air4casts free?

Air4casts is free to download, with no in-app purchases.

### Is SG Bus+ (Mrt Map) free?

SG Bus+ (Mrt Map) is free to download, with no in-app purchases.

### Do Air4casts or SG Bus+ (Mrt Map) have ads?

SG Bus+ (Mrt Map) shows ads; Air4casts does not.

### Which is updated more often, Air4casts or SG Bus+ (Mrt Map)?

Air4casts ships an update every 5 weeks, and SG Bus+ (Mrt Map) every 6 months. Most recently, Air4casts was updated on October 4, 2026 and SG Bus+ (Mrt Map) on October 20, 2026.

---

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