Comparison

USTA Flex vs Tennis Notebook

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

USTA Flex

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
Read full description

With USTA Flex, you can play tennis at your level on a court near you, whenever it suits you. Get on the court and enjoy friendly, competitive singles or doubles matches. Whatever your level – beginner or advanced – you will play exciting matches, meet new people and improve your game. Flex leagues are taking place all across the US and all year round for adults over the age of 18. Leagues take place in a round-robin or ladder 2.0 format, and a season generally runs for 8 to 12 weeks. You can arrange matches whenever you want – so it’s ideal if you’re looking to compete around your busy lifestyle. Why you should join More tennis: Play 5-7 level-based matches while making new tennis friends Ultimate flexibility: With our in-app chat, scheduling matches around your life has never been easier. Play when you want, where you want Track your progress: Every match is an opportunity to improve your game and improve your WTN rating Features of the USTA Flex app - Find all you need in one place – entering leagues, setting up matches, inputting scores and match history - In-app chat – easily schedule matches with your opponents with individual and group chats - More to come: Set up your own flex leagues and join local events and communities to get the most out of your tennis Not sure of your level of play? No problem – we’ll find the right group for you using your ITF World Tennis Number, so you play opponents at the right level for you. What’s the ITF World Tennis Number? The ITF World Tennis Number is a rating system for all tennis players across the world. It makes it easier for everyone who plays tennis in US to organize and play against opponents of a similar standard. • A worldwide rating system that ranges from 40 (beginner players) to 1 (pro players). • Has separate ratings for Singles and Doubles players • Uses a sophisticated algorithm to calculate your rating and updates it every time you compete • Counts sets and matches played, which means the more you compete, the more accurate your WTN will be Game on! Download the USTA Flex App today and enter a world where more tennis matches are just a tap away. Join our community of passionate players and discover the joy of playing tennis on your terms. Let’s make every match count with USTA Flex!

About

Tennis Notebook

This app serves as a digital journal for tennis players to log matches, track opponents, and analyze performance. It helps organize your tennis journey with features like match scheduling and cloud sync.

Highlights
  • Match tracking with scores and locations
  • Opponent profiles and playstyle notes
  • Performance insights and strategy analysis
  • Match scheduling
  • Cloud sync and backup
Features
Read full description

Tennis Notebook – Track Your Matches & Improve Your Game Tennis Notebook is your personal tennis journal, designed to help you track matches, log opponents, and analyze key stats—all in an easy-to-use app. Whether you’re a casual player or a competitive athlete, this app keeps your tennis journey organized and insightful. Features: - Match Tracking – Log every match, including scores, dates, and locations. - Opponent Profiles – Keep notes on opponents, including playstyles and tendencies. - Performance Insights – View detailed stats to track progress and improve strategy. - Match Scheduling – Plan and organize upcoming matches effortlessly. - Cloud Sync & Backup – Securely store your data and access it anywhere. Ditch the paper notebook and start tracking your tennis progress with a smarter, digital solution. Download Tennis Notebook today and take your game to the next level! Terms of User and Privacy Policy - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - https://www.tennisnotebook.app/privacy-policy

Screenshots

USTA Flex4 screens
Tennis Notebook4 screens

Verdict

The call

The clearest difference is in-app purchases: USTA Flex at none against Tennis Notebook's 10. USTA Flex also leads on ratings volume (777 vs 3) and update cadence (every 3 weeks vs every 6 weeks). On price, rating, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tennis Notebook sells 10 in-app purchases, starting at $2.99 per 7 days. USTA Flex asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for USTA Flex against 4.7 for Tennis Notebook. That said, the two scores are not equally well evidenced: USTA Flex has 777 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

USTA Flex ships an update every 3 weeks, Tennis Notebook every 6 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
USTA Flex versus Tennis Notebook: the parameters behind the verdict, then further details
ParameterUSTA FlexTennis Notebook
PriceFreeFree
Rating4.8 (777 ratings) — better4.7 (3 ratings)
Positive reviews39.3% of reviews—
Number of ratings777 — better3
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.1
Further details — not scored
Size133 MB51 MB
Age rating4+4+
DeveloperUSTAPixelbrew Studio LLC

Customer experience

USTA Flex

All ratings752 ratings
Positive95.2%
Neutral1.6%
Negative3.2%
Written reviews28 reviews
Positive39.3%
Neutral10.7%
Negative50.0%

Tennis Notebook

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

USTA Flex

Reported bugs

11 issues
  • App works when it wants
  • Constant notifications with no messages
  • Cannot toggle back to see schedule
  • WTN score not figured out
  • Unable to login
Show 6 more
  • Cannot sign in with Google SSO
  • Cannot post score
  • Error: could not load data from server
  • Scores could not be inputted
  • Bad at positioning and assignments for ladder matches
  • Trouble to login

Requested features

6 requests
  • Link match times to calendars
  • Calendar in the app
  • Display all scheduled matches
  • Input availability directly
  • Google SSO integration
Show 1 more
  • Match score editing controls

Tennis Notebook

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

USTA Flex

No in-app purchases

10 purchases

Tennis Notebook

Subscriptions7
  • Tennis Notebook Pro Weekly$2.997 Days
  • Tennis Notebook Pro Monthly$9.991 Month
  • Tennis Notebook Yearly7 Days trial$9.991 Year
Show 4 more
  • Tennis Notebook Pro Yearly$14.991 Year
  • Tennis Notebook Pro Yearly7 Days trial$19.991 Year
  • Tennis Notebook Pro Yearly7 Days trial$24.991 Year
  • Tennis Notebook Pro Yearly7 Days trial$29.991 Year
One-time3
  • Tennis Notebook Pro Lifetime$24.99
  • Tennis Notebook Pro Lifetime$49.99
  • Tennis Notebook Pro Lifetime$69.99

Questions

Is USTA Flex free?
USTA Flex is free to download, with no in-app purchases.
Is Tennis Notebook free?
Tennis Notebook is free to download, with in-app purchases available.
Which has better reviews, USTA Flex or Tennis Notebook?
USTA Flex is rated higher. USTA Flex averages 4.8 out of 5 from 777 ratings, while Tennis Notebook averages 4.7 from 3 ratings.
Do USTA Flex or Tennis Notebook have ads?
Neither USTA Flex nor Tennis Notebook shows ads.
Which is updated more often, USTA Flex or Tennis Notebook?
USTA Flex ships an update every 3 weeks, and Tennis Notebook every 6 weeks. Most recently, USTA Flex was updated on November 6, 2026 and Tennis Notebook on November 4, 2026.

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