# SmartBlue vs Court4u

The clearest difference is review sentiment: Court4u at 67% against SmartBlue's 5%. Court4u also leads on update cadence (fortnightly vs every 5 weeks). SmartBlue's advantage is iOS requirement (8.0 vs 12.2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SmartBlue ships an update every 5 weeks, Court4u fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SmartBlue | Court4u |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (32 ratings)](https://appshunter.io/ios/app/smartblue/id948624905/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 5.1% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 21 MB | 84 MB |
| Requires iOS | **8.0** | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文杰 俞](https://appshunter.io/developer/946010348) | [Andy Grothe](https://appshunter.io/developer/1481691467) |

## What reviewers say

### SmartBlue

[App page](https://appshunter.io/ios/app/smartblue/id948624905)

This application sends push notifications to your device. It utilizes Bluetooth Low Energy for connectivity.

**Highlights:** Bluetooth Low Energy connectivity, Push notification delivery, Device integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Court4u

[App page](https://appshunter.io/ios/app/court4u/id1508624169)

This app connects tennis players with available courts at local clubs. It digitizes court booking, previously managed manually, making it easier for both clubs and players to find and reserve court time. Features include tournament management and game statistics.

**Highlights:** Online court booking, Club tournament management, Game and working time statistics, Multiple profile support, Digital court occupancy

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartBlue free?

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

### Is Court4u free?

Court4u is free to download, with no in-app purchases.

### Do SmartBlue or Court4u have ads?

Neither SmartBlue nor Court4u shows ads.

### Which is updated more often, SmartBlue or Court4u?

SmartBlue ships an update every 5 weeks, and Court4u fortnightly. Most recently, SmartBlue was updated on November 1, 2026 and Court4u on November 3, 2026.

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