# USTA Flex vs SwimGlass

The clearest difference is price: USTA Flex at Free against SwimGlass's $1.99. USTA Flex also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

USTA Flex is free to download; SwimGlass costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

USTA Flex ships an update every 3 weeks, SwimGlass every 6 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | USTA Flex | SwimGlass |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.8 (754 ratings)](https://appshunter.io/ios/app/usta-flex/id6446393326/reviews)** | — |
| Number of ratings | **754** | — |
| Positive reviews | 39.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 133 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [USTA](https://appshunter.io/developer/327455872) | [Jan Zalsky](https://appshunter.io/developer/1801200940) |

## What reviewers say

### 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

**What reviewers like**

- 👍 User-friendly interface
- 👍 Easy to coordinate matches
- 👍 Easy score entry
- 👍 Excellent customer service
- 👍 Flexible scheduling

**What reviewers complain about**

- 👎 Not user-friendly
- 👎 App works inconsistently
- 👎 Constant notifications
- 👎 Cannot toggle to see schedule
- 👎 Score manipulation possible

**Reported bugs**

- App works when it wants
- Constant notifications with no messages
- Cannot toggle back to see schedule
- WTN score not figured out
- Unable to login

**Requested features**

- Link match times to calendars
- Calendar in the app
- Display all scheduled matches
- Input availability directly
- Google SSO integration


### SwimGlass

[App page](https://appshunter.io/ios/app/swimglass/id6759445922)

**In-app purchases:** none


## Frequently asked questions

### Is USTA Flex free?

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

### Is SwimGlass free?

SwimGlass costs $1.99, with no in-app purchases.

### Do USTA Flex or SwimGlass have ads?

Neither USTA Flex nor SwimGlass shows ads.

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

USTA Flex ships an update every 3 weeks, and SwimGlass every 6 weeks. Most recently, USTA Flex was updated on October 25, 2026 and SwimGlass on October 9, 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.*