# Ballbutton vs USTA Flex

The clearest difference is update cadence: USTA Flex at fortnightly against Ballbutton's every 6 weeks. USTA Flex also leads on rating (4.8 vs 4.6). Ballbutton's advantage is review sentiment (50% vs 41%). On price, ratings volume, 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.

USTA Flex holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 516 and 642 respectively. Written reviews complicate that: 50% of Ballbutton's written reviews are positive against 41% of USTA Flex's, so the app with the better star average is not the one people write more warmly about.

Ballbutton ships an update every 6 weeks, USTA Flex fortnightly. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Ballbutton | USTA Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (516 ratings)](https://appshunter.io/ios/app/ballbutton/id1336693461/reviews) | **[4.8 (642 ratings)](https://appshunter.io/ios/app/usta-flex/id6446393326/reviews)** |
| Number of ratings | 516 | **642** |
| Positive reviews | **50.0% of reviews** | 40.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 39 MB | 133 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ballbutton, Inc](https://appshunter.io/developer/1288757888) | [USTA](https://appshunter.io/developer/327455872) |

## What reviewers say

### Ballbutton

[App page](https://appshunter.io/ios/app/ballbutton/id1336693461)

This app streamlines sports club and studio operations by managing bookings, payments, programs, and memberships. It offers features for various athletic facilities and includes a unique social feed for members.

**Highlights:** Booking management, Payment processing, Program and lesson scheduling, Membership management, Automated payments and billing, Member social feed

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient booking process
- 👍 User-friendly interface for managing reservations
- 💡 All-in-one solution for tennis court booking and player matching
- 🎯 Effective court reservation system at clubs
- 📱 Works well on iOS platform

**What reviewers complain about**

- 😞 Confusing calendar layout with Monday as first day
- 😞 Poor confirmation feedback on bookings
- 😞 Unreadable time column with frozen layout
- 😞 Difficult navigation and unintuitive interface
- 😞 Cannot view or manage existing reservations

**Reported bugs**

- Invalid input syntax error when booking courts (type integer: 3.0)
- App crashes when clicking on dates to book
- Password creation validation not working properly
- Bookings not appearing in upcoming reservations list
- Potential duplicate charges when using multiple payment methods

**Requested features**

- Change calendar to start with Sunday instead of Monday
- Display booking confirmation with specific day information
- Increase font size for time columns
- Improve reservation visibility in app after booking
- Add phone number as account creation option alongside email


### USTA Flex

[App page](https://appshunter.io/ios/app/usta-flex/id6446393326)

Find and play competitive tennis matches at your level on courts near you. Arrange games flexibly around your schedule and meet new players. Track your progress and improve your game with level-based singles or doubles matches.

**Highlights:** Find level-based tennis matches, Flexible scheduling with in-app chat, Singles and doubles competition, Track match history and progress, Utilizes ITF World Tennis Number for matchmaking, Organize and enter leagues

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

**In-app purchases:** none


## Frequently asked questions

### Is Ballbutton free?

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

### Is USTA Flex free?

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

### Which has better reviews, Ballbutton or USTA Flex?

USTA Flex is rated higher. Ballbutton averages 4.6 out of 5 from 516 ratings, while USTA Flex averages 4.8 from 642 ratings.

### Do Ballbutton or USTA Flex have ads?

Neither Ballbutton nor USTA Flex shows ads.

### Which is updated more often, Ballbutton or USTA Flex?

Ballbutton ships an update every 6 weeks, and USTA Flex fortnightly. Most recently, Ballbutton was updated on September 22, 2026 and USTA Flex on September 20, 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.*