Aphelios splash art beside a column of item slots caught mid-reshuffle: Mercurial Scimitar rises into the third slot while Lord Dominik's Regards slides out
RoundupUpdated for Patch 26.20Updated October 10, 2026 · 10 min read

The Best League of Legends Build Apps in 2026, and Whether They Actually Adapt

Every build app imports items. Few of them change those items when the enemy team turns out to be five AD champions or three healers. We compared the 7 apps people install most on that one question, then on platform, ads and price.

Disclosure: we build Hexgate, the first entry. It is first because it answers this question, and its section also lists what it does not do. Everything about the other apps comes from their own websites or store pages, as of October 2, 2026.

Quick Pick

Change the Enemy Team. Which Build Changes?

Most "best LoL app" lists compare feature counts. That misses the one question that decides whether a build app makes you win more: when the enemy team is five AD champions, three healers or a full tank frontline, does your build change? For most apps, it does not. They import the most popular build for your champion and role, which is a good starting point and the same build every game.

Pick the enemy team from one of four real games:

  1. 1 Hexgate

    Zhonya's Hourglass ranks first for Ahri's 3rd itemHeavy ADvs Zed, Kha'Zix

    Guardian Angel and Death's Dance lead Vi's 3rd item, with Plated Steelcaps as the bootsHeavy ADvs Sivir

    Mercurial Scimitar ranks first for Jinx's 5th itemHeavy APvs Akali, Malphite

    Kaenic Rookern leads Leona's 3rd item, with Mercury's Treads as the bootsHeavy APvs Diana, Mordekaiser, Syndra

    Changes in game
  2. 2U.GGMatchup-tailored import from champion selectNo change
  3. 3OP.GG DesktopPopular buildsNo change
  4. 4BlitzStatistics-based buildsNo change
  5. 5MobalyticsStatistics-based buildsNo change
  6. 6PorofessorMatchup win rates onlyNo change
  7. 7iTeroDraft suggestionsNo change

1 of 7apps changes your items during the game. The other six set the build before minions spawn, whatever the enemy team turns out to be.

Hexgate overlay for Ahri's 3rd item: Zhonya's Hourglass ranked first, tagged Heavy AD against Zed and Kha'Zix, ahead of Rabadon's Deathcap, Shadowflame and Lich Bane Hexgate overlay for Vi's 3rd item: Guardian Angel ranked first and Death's Dance second, both tagged Heavy AD against Sivir, with Plated Steelcaps as the boots Hexgate overlay for Jinx's 5th item: Mercurial Scimitar ranked first, tagged Heavy AP against Akali and Malphite, ahead of Guardian Angel, Bloodthirster and Lord Dominik's Regards Hexgate overlay for Leona's 3rd item: Kaenic Rookern ranked first, tagged Heavy AP against Diana and Mordekaiser, with Mercury's Treads as the boots
The real Hexgate overlay from that game. The label on an item is the reason it moved.
Try Hexgate free 3 free games per day · No ads · No Overwolf · Under 100 MB

Why "Adaptive" Is the Feature That Matters

The popular build for your champion is the average of thousands of games against every possible enemy team. Your game is against one specific team. The early core items are mostly settled before the game starts, which is why every app agrees on them. The last two or three items are where games get decided:

  • Randuin's OmenorForce of NatureArmor or magic resist?
  • ThornmailMortal ReminderAnti-heal or not?
  • Mercury's TreadsTenacity or not?

Those choices depend on the five enemies you face, and an import made in champion select cannot see how the game is going. If you want the reasoning behind each choice, see how to counter-build and our what to build against guide for the champions people ask about most.

Hexgate Items that adapt to the enemy team

Hexgate reads the enemy team from Riot's Live Client Data API during your game and re-scores the items that are viable for your champion and build slot against them: their damage split, crowd control, healing, shields, tankiness and who is fed. The candidate pool always comes from what players actually build on your champion, so the enemy team reorders real options instead of inventing odd ones. Every change carries a label telling you why (Healing, Heavy AD, Heavy CC, High HP, Shields), so you learn the rule while you play.

Native Windows app (Tauri/Rust), typically under 100 MB of memory, no Overwolf, no Electron

Before, during and after the game

Before the game

  • The highest win rate runes, imported in one click (summoner spells optional).
  • Counters and ban targets in champion select.
  • Swiftplay lobby window: the best picks, runes, core build and spells for each pick slot, imported straight to the slot.
  • ARAM Mayhem: an S to D tier badge under every augment card, and Mayhem champion tiers in champion select.
  • PROLane matchup scoring: runes and build against your lane opponent.
  • PROOne-trick (OTP) builds: what one-trick players build on your champion.
  • PRO+Lane Scouting on the ranked loading screen: your lane opponent's and the enemy jungler's habits from their own recent ranked games.

In game

After the game

  • PRO+A Match Breakdown of every ranked, Draft and Swiftplay game: a one-line verdict, what hurt and what helped with evidence from the game, and one tip for the next game.
  • PRO+Habits: the mistakes that repeat across your last 10 breakdowns of a role, marked fixed when they stop.
  • PRO+Clips: every death, kill and assist saved on your PC to rewatch in slow motion, never uploaded.
Lane Scouting card for a mid laner: the enemy Aurora roams bot 2.2 times per game, mostly after 6:00, dies before 8 minutes in 5 of 10 games and is 12 CS ahead of her lane opponent at 10 minutes
PRO+Lane Scouting, before minions spawn.
Hexgate Match Breakdown of a ranked Master Yi jungle win: a one-line verdict, what hurt (sitting on unspent gold) and what helped (farming, Baron turned into towers, damage in fights)
PRO+Match Breakdown, after the game.
Free 3 games a day, no ads PRO9.99 EUR/month or 7.49 EUR/month yearly: unlimited games in every mode PRO+14.99 EUR/month or 11.24 EUR/month yearly: everything in Pro, plus Lane Scouting, Match Breakdown, Habits and Clips

What it does not do

  • No jungle timers.
  • No TFT or other games in the app, and no Mac version. The website does have a free TFT team builder for planning comps.
  • No rank lookup of the enemy lobby.

U.GG The cleanest import

Desktop app Free Matchup-tailored import (no in-game item changes)

U.GG's app auto-imports loadouts "tailored by elo, role, and matchup" and shows builds in game. It is free, and the business runs on the website. If you only want the right runes and starting items with zero clutter, it is the simplest choice. The build is decided in champion select, so it will not react if the game goes differently than the draft suggested.

Hexgate vs U.GG

OP.GG Desktop Free all-rounder

Standalone Electron app Free with ads Popular builds (no in-game item changes)

OP.GG Desktop is a standalone Electron app that sets runes and items automatically, shows the most popular builds in an in-game overlay, and has an augment tier overlay for modes with augments. Free with ads.

Hexgate vs OP.GG

Blitz Feature-rich importer

Electron app Free with ads / Premium, price varies by region Statistics-based builds (no in-game item changes)

Blitz imports runes, items and summoner spells, has a long list of overlays including an ARAM Mayhem augment tier list on the pick screen, and supports several games. Free with ads; Premium removes ads and adds Masters+ builds and one-trick builds in game, at a price that varies by region.

Blitz alternatives

Mobalytics Import plus coaching

Overwolf app Free with ads / Plus subscription Statistics-based builds (no in-game item changes)

Mobalytics imports runes, spells and items manually or automatically, and its strength is the long-term side: the GPI score breaks your play into eight areas such as farming, fighting and vision. It runs on Overwolf, free with ads, with a Plus subscription.

Mobalytics alternatives

Porofessor Scouting first

Standalone app or Overwolf Free with ads Matchup win rates only (no in-game item changes)

Porofessor is a scouting app first: ranks, tags and recent form of every player in your game. It imports runes and shows lane matchup win rates, but it does not try to change your items during the game. Since December 2025 it comes as a standalone app as well as on Overwolf.

iTero AI draft coach

Overwolf or standalone download Free with ads / paid ad-free tier Draft suggestions (no in-game item changes)

iTero focuses on the draft: it suggests picks, runes and items in champion select, with one-click import and a post-game review. It is available on Overwolf and as a standalone download, free with ads, with a paid ad-free tier.

Side by Side

AppItems change during the gamePlatformRune importFree tierAlso does
HexgateYes, against all five enemies, reasons labeledNative Windows (Tauri)Yes3 games/day, no adsCounters and bans in champion select, Mayhem augment tiers, Swiftplay slot import; PROmatchup and OTP builds; PRO+Lane Scouting, Match Breakdown, Clips
U.GGNo, matchup-tailored importDesktop appYesFreeBuilds shown in game
OP.GG DesktopNo, popular buildsElectronYesFree with adsPopular builds overlay, augment tier overlay
BlitzNo, statistics-based buildsElectronYesFree with adsMany overlays, Mayhem augment tier list, several games
MobalyticsNo, statistics-based buildsOverwolfYesFree with adsGPI performance score in eight areas
PorofessorNo, matchup win rates onlyStandalone or OverwolfYesFree with adsLobby scouting: ranks, tags, recent form
iTeroNo, draft suggestionsOverwolf or standaloneYesFree with adsDraft pick suggestions, post-game review

How to Check Whether a Build App Really Adapts

"Adaptive" is easy to claim. A quick way to check any app yourself:

  1. Play the same champion in two games against very different teams, for example one heavy on magic damage and one heavy on physical damage.
  2. Compare the last three recommended items between the two games. If they are identical, the app is importing a default, whatever its marketing says.
  3. Check whether the app tells you why an item moved. A reason you can read is how you know the change is a response to the enemy team and not noise, and it is how you learn to make the call yourself.

Running more than one app? That works if they do different jobs, for example Porofessor for scouting and Hexgate for items. Turn off rune import in all but one of them, or they will fight over your rune page.

Frequently Asked Questions

What is the best League of Legends build app?

It depends on what you want from it. For items that change with the enemy team during the game, Hexgate. For the simplest one-click import of the highest win rate build, U.GG. For a free all-in-one app with overlays, OP.GG Desktop or Blitz. For builds plus long-term coaching, Mobalytics, or Hexgate Pro+ with a Match Breakdown of every ranked, Draft and Swiftplay game.

Is there an app that changes my build based on the enemy team?

Yes. Hexgate reads the five enemies from Riot's Live Client Data API during your game and re-ranks your situational items against their damage split, crowd control, healing, shields, tankiness and fed threats, with a label on every change. The popular importers (Blitz, Mobalytics, OP.GG, U.GG, Porofessor) import a statistics-based build before the game instead.

Does Hexgate do more than adapt items?

Yes. For free it also imports the highest win rate runes in one click, shows counters and ban targets in champion select, fills Swiftplay pick slots, shows each lane's gold difference on League's scoreboard when you hold Tab in game and puts a tier badge under every ARAM Mayhem augment card. Pro adds unlimited games, lane matchup scoring and one-trick builds. Pro+ adds Lane Scouting of your lane opponent and the enemy jungler on the loading screen, a Match Breakdown after every ranked, Draft and Swiftplay game, Habits across your games and Clips of every death, kill and assist.

Do I need Overwolf for a League build app?

No. Hexgate, OP.GG Desktop and Blitz run without Overwolf, and Porofessor and iTero now offer standalone downloads too. Mobalytics is distributed through Overwolf.

Are League build apps allowed by Riot?

Apps that read Riot's APIs and the League client to import runes and show builds are a normal, long-standing use. What Riot prohibits is automation, exposing hidden information and similar advantages. Our guide on whether you can get banned for LoL apps quotes the rules directly.

Which build apps are free without ads?

Hexgate's free tier (3 games per day) has no ads, and U.GG's app is free with the business running on its website. Blitz, Mobalytics, Porofessor, OP.GG Desktop and iTero are ad-supported on their free tiers.