# IONSport vs USTA Flex

IONSport and USTA Flex both sit at 4.8 stars, but that hides the real split: 82% of IONSport's written reviews are positive against 41% of USTA Flex's. USTA Flex's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. IONSport sells 1 one-off in-app purchase. USTA Flex asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for IONSport against 4.8 for USTA Flex. Both are backed by a comparable volume of ratings — 882 and 642 respectively. Written reviews are what separate them: 82% of IONSport's written reviews are positive against 41% of USTA Flex's.

IONSport ships an update every 2 weeks, USTA Flex fortnightly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | IONSport | USTA Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (882 ratings)](https://appshunter.io/ios/app/ionsport/id1489506140/reviews) | [4.8 (642 ratings)](https://appshunter.io/ios/app/usta-flex/id6446393326/reviews) |
| Number of ratings | **882** | 642 |
| Positive reviews | **82.1% of reviews** | 40.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free | Free |
| Size | 49 MB | 133 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACES Tennis Management, LLC](https://appshunter.io/developer/1205030010) | [USTA](https://appshunter.io/developer/327455872) |

## What reviewers say

### IONSport

[App page](https://appshunter.io/ios/app/ionsport/id1489506140)

This app provides live scoring and professional statistics for various racket sports. It allows users to track every point, share live updates with followers, and offers different modes for officials and casual users. It's trusted by thousands of teams and leagues for reliable, real-time match tracking.

**Highlights:** Live point-by-point scoring, Real-time stats and momentum charts, Shareable live match links, Push notifications for match events, Chair Umpire and Crowd Scoring modes, Supports multiple racket sports

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Score all matches | $349.99 | one-time |

**What reviewers like**

- 👍 Intuitive and easy-to-use interface
- 🚀 Efficient live scoring and stat tracking
- 🔗 Seamless ITA integration with automatic roster/schedule downloads
- 📱 Shareable links and QR codes for remote viewing
- 💼 Consolidates multiple tools (stopwatch, scorecard, scoring device)

**What reviewers complain about**

- 🐛 App stops updating scores and requires reloading
- 🐛 Inconsistent live stats display and refresh issues
- 🔒 Privacy concerns regarding account requirements and personal data collection
- ❌ Missing division/gender filtering in ITA results section
- ⚙️ Match format changes become unavailable after 2nd set

**Reported bugs**

- App stops updating scores and freezes after 30 seconds of operation
- Match format cannot be changed in final set (grayed out interface)
- Incorrect player serving designation after tiebreakers
- Sign-up verification email not received; account creation loop freezes
- Live stats fail to load or display inconsistently

**Requested features**

- Division and gender filtering options for ITA results
- XML export option for match files
- Net measurement capability
- Improved server tracking logic for tiebreakers


### 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 IONSport free?

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

### Is USTA Flex free?

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

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

IONSport and USTA Flex are both rated 4.8 out of 5 on the App Store, from 882 and 642 ratings respectively.

### Do IONSport or USTA Flex have ads?

IONSport shows ads; USTA Flex does not.

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

IONSport ships an update every 2 weeks, and USTA Flex fortnightly. Most recently, IONSport was updated on September 23, 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.*