LineStar for FD
Sports · BetFully, Inc.
LineStar for FD screenshots
LineStar for FD is built around one promise: that you can put together competitive daily fantasy lineups without grinding through hours of research or spreadsheets. The developer, BetFully, Inc., has been shipping this app for years, and the core idea has stayed the same — feed it a sport and a salary cap, and let its optimizer do the assembling. That is the most distinctive thing about it, and it is the reason it exists.
It is aimed at FanDuel players specifically, and the sports list is wide: NFL, NBA, MLB, NASCAR, PGA, WNBA, college football and basketball, plus CS:GO and League of Legends. If you play daily fantasy across several of those and want one tool that covers all of them, that breadth is the main draw. If you only ever enter one contest a month, the subscription math changes entirely.
What the optimizer actually does
At its center is a lineup optimizer that the developer describes as patented. You feed it your salary requirement and it returns lineups built around the best value it can find, with the option to generate multiple variations so you are not entering the same roster everywhere.
The app also lets you personalize lineups around only the players and games you care about, and sort the player pool by position, value, salary or projection. That matters more than it sounds. A generic optimal lineup is useless if it is stacked with players from a game you have no interest in, so being able to narrow the pool before generating is what makes the output usable.
The developer's own framing is that their research plus your knowledge equals a win. I read that as an honest description of the tool's role: it narrows the field and surfaces value, and you still decide who to trust. Anyone expecting the app to hand over a guaranteed winning roster is reading the marketing more generously than it deserves.
Research tools beyond the lineup builder
Around the optimizer sits a layer of research features. QuickGlance icons flag player-specific advice, trends and data at a glance, and FanSense is meant to give you a sense of how other players feel about a given athlete. InLine odds, over-under spreads and line projections are provided for all games, and the games, stats and player data are updated frequently through the day. That last point is the one that decides whether a tool like this is useful or frustrating, since daily fantasy decisions are usually made close to lock.
There is a live expert chat, which the developer positions as a place to compare thinking with other users, and Props Edge+ for finding an edge on player props. Push notifications can alert you to important game or player information once your lineups are set, and adverse weather alerts are included for outdoor sports where conditions move totals.
One small touch I like the sound of: touching a player's name opens an advanced graph of their recent performance against the app's own projections. That is exactly the kind of check that tells you whether you should trust the numbers in front of you.
Props, stacking and the recent additions
The most recent update points at where the developer is investing. NHL line stacking has been reworked in the optimizer, Stack Finder has had fixes, and hand-built lineups can now be saved. Sort options have been added to the lineup player picker, and the chart for team defenses has been tidied up. Big plays have returned to the chat after being filtered by slate.
Stacking is a core daily fantasy strategy in sports like hockey and football, so an optimizer that handles it well is worth more than one that only chases raw value. The ability to save a lineup you assembled by hand also closes a gap that would otherwise push serious players back to a spreadsheet. None of this is glamorous, but it is the sort of maintenance that suggests the app is being actively worked on rather than left to sit.
What it costs and what the free tier gives you
The app is free to download, carries ads, and offers in-app purchases. Everyone can access limited projections and strategy for any sport. Subscribers get full access to all sports, all projections, and unlimited optimal lineup generation in a variety of formats, along with access to LineStarApp.com and the LineStar apps for DraftKings and Yahoo Fantasy. So the subscription is not just for this app — it covers the developer's other fantasy platforms too, which changes the value calculation if you play on more than one site.
Pricing is stated plainly: a weekly option at $0.99 for the first three days, then $9.99 each week after; $39.99 monthly; or $239.99 annually. Promotional offers are for new subscribers only, and other restrictions apply. Subscriptions renew automatically through your Google Play account and can be canceled from the app's settings page or the Play Store; if the charge goes through, it is billed within 24 hours before the next billing date. Should a renewal charge be declined, the subscription stops instead of continuing.
The weekly rate is the one to look at closely. Ten dollars a week adds up quickly over a season, so it makes most sense as a short trial during a slate you care about rather than a default choice. The annual plan is the opposite bet: it only pays off if you are playing most weeks across several sports.
The trade-offs the app sets for itself
This is a companion tool, not a fantasy platform. It is not affiliated with or endorsed by FanDuel, and it is intended for entertainment purposes only. You still enter your contests wherever you normally do; LineStar supplies the research and the lineup construction. That separation is worth keeping in mind, because the app's projections are inputs to your decisions, not entries in themselves.
The headline capability — unlimited optimal lineups across every sport — sits behind a subscription. Ads are present, and there are in-app purchases alongside the subscription options. Anyone who wants the full picture across all ten sports should expect to pay for it.
There is also a knowledge requirement baked into the design. The developer's own equation puts your knowledge alongside their research, so the tool rewards players who already understand salary construction and stacking. A complete newcomer will get lineups out of it, but will not necessarily understand why those lineups were chosen.
Who gets the most from a subscription
The clearest fit is a FanDuel player who enters contests regularly across more than one sport and already knows how to read projections. For that person, the combination of a multi-sport optimizer, odds and spreads, props research, weather alerts and lineup monitoring covers most of what a paid research service would, and the cross-platform access to the DraftKings and Yahoo versions adds value if they spread their play around.
The second fit is someone who plays on multiple sites and wants one subscription rather than several. The third is a player who follows a niche sport in the list — NASCAR, PGA, WNBA or the esports titles — and finds that mainstream fantasy coverage barely touches it. Ten sports is a wide net, and the less-covered ones are where a tool like this can matter most.
Someone who plays the occasional casual contest on a single sport will find the weekly plan a reasonable way to try the full feature set for one slate. The app has been downloaded more than 50,000 times and holds a 4.4 average from 1,959 ratings, which is a healthy signal for a tool in a category where trust is everything.
A research tool worth subscribing to for regular DFS players
LineStar for FD does one job and does it in depth: turning salary, projections and player data into lineups you can actually enter. The optimizer, the props research, the odds and spread data and the live chat form a coherent package for daily fantasy players, and the ten-sport coverage means it does not run dry when the NFL season ends.
The reservations are straightforward. The subscription is not cheap at the weekly or monthly rate, and the app assumes you bring some fantasy knowledge of your own. It is also explicitly a companion to FanDuel rather than a replacement for it, and the developer is clear that it is not affiliated with the platform.
If you play daily fantasy on FanDuel most weeks and want research consolidated in one place, this is a reasonable subscription to carry through a season. If you play casually or on a single sport, let the results decide whether the paid tiers are worth it.
The short verdict
A deep, multi-sport FanDuel research tool that rewards regular players willing to pay for the full projections.
What's new in version 3.7.6
* Optimizer updates for NHL line stacking. * Stack Finder fixes * Save hand-built lineups in V4. * Big plays are back in chat (they were filtered by slate) * Sort options added in the lineup player picker * Team DEF: chart UI fixes when lines wouldn't draw * Have feedback? Email us! #1 in Mobile DFS & Props | 7-Day Free Trial Available E-mail: [email protected] with any questions or ideas!
App specs
- Version3.7.6
- UpdatedOctober 2, 2026
- Downloads50K+
- RequiresAndroid 6.0+
- PriceFree
- Age ratingTeen
LineStar for FD: frequently asked questions
What does LineStar for FD actually do?
It builds optimized daily fantasy lineups for FanDuel contests using projections, odds and player research. You set your salary requirement and it generates lineups, with options to filter by the players and games you want. It also provides odds, spreads, props research and weather alerts to support your decisions.
Which sports does the app cover?
The sports covered include NFL, NBA, MLB, NASCAR, PGA, WNBA, college football, college basketball, CS:GO and League of Legends. Subscribers get access to all sports and all projections.
How much does a subscription cost?
There are three options: a weekly plan at $0.99 for the first three days and then $9.99 each week, a monthly plan at $39.99, and an annual plan at $239.99. Subscriptions renew automatically through your Google Play account and can be canceled from the app's settings page or the Play Store.
Do I need a subscription to use the app?
No. The app is free to download. Subscribers get full access to all sports, all projections and unlimited optimal lineup generation, along with the developer's other fantasy apps and website.
What has changed in the most recent update?
The latest version reworks NHL line stacking in the optimizer, fixes Stack Finder, and adds the ability to save hand-built lineups. Sort options have been added to the lineup player picker, big plays have returned to the chat, and chart display for team defenses has been corrected.
Pros
- Ten sports covered, including niche and esports
- Optimizer generates many lineup variations
- Odds, spreads, props and weather alerts included
- Subscription also covers DraftKings and Yahoo apps
- Long-running app with frequent updates
Cons
- Free tier limited to basic projections
- Ads and in-app purchases present
- Weekly plan costs $9.99 after three days
- Not affiliated with or endorsed by FanDuel
Download LineStar for FD
by BetFully, Inc.
Free · In-app purchases · Contains ads · Official Google Play listing