Does it work with MapleStory Classic World only?

Yes. It is built for the Classic World's screen: the status bar, the minimap title, the inventory and the quickslots.

Do I need to install anything?

No. It runs in the browser on a computer. A phone cannot share a game window.

Is it safe for my account?

It only reads the picture you share, like a screen capture. It does not read the game's memory or files and does not send anything to the game.

Why is my map not shown?

Maximize the minimap so its title is on screen. A map the reader has not seen before is kept as a small sample and added later.

EXP is read from the status bar and checked against level changes. If the number looks off, the page tells you what it cannot see (for example a covered status bar).

EXP Tracker & Grind Meter for MapleStory Classic World (GMSC)

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How fast are you really levelling? The Grind Meter is a free EXP tracker for MapleStory Classic World (GMSC). Share your game window with your browser and it measures your EXP per hour, the time to your next level, the meso you earn and the potions you use, with no typing and no timers to start by hand.

▶ Open the Grind Meter

What it measures

EXP per hour and per minute, and the average over 1, 5, 10 and 60 minutes.
Time to the next level.
Meso gained (from your inventory total) and potion cost, so you see the real profit of a hunting ground.
The map you hunt on, your party size, job and level.
Every minute is saved to My records when you sign in with Discord, with a graph and the events of each hunt.

How to use it

Open the Grind Meter and press Start.
In the share dialog pick the MapleStory window (the whole screen works too).
Play as usual. Open your inventory once so it can read your meso, and the party window once for your party.
Maximize the minimap: the map name is read from its title, so with the minimap collapsed no map is recorded.
A small window can stay over the game (Picture-in-Picture) to show your pace.

How it reads your game, and your privacy

The screen is read inside your own browser, and the shared picture is not recorded or uploaded. What the site receives is numbers (EXP, meso, level, job, map) and, only when the reader could not read something for sure, a small piece of the screen (a number box, the name box, a minimap title) kept to improve the reader. It looks at what is on screen, like a screenshot, and does not touch the game client. Your character name is stored for your records and shows to others only as its first four letters if records are ever shown. See About & terms for exactly what is stored.

Why a measured number beats a calculator

A calculator needs you to type your EXP before and after, and a rough kill count. The meter reads the EXP bar itself every second, follows level-ups, and keeps the pace for each map. The records can later tell which hunting grounds really pay at your level.

Frequently asked questions

Does it work with MapleStory Classic World only?: Yes. It is built for the Classic World's screen: the status bar, the minimap title, the inventory and the quickslots.
Do I need to install anything?: No. It runs in the browser on a computer. A phone cannot share a game window.
Is it safe for my account?: It only reads the picture you share, like a screen capture. It does not read the game's memory or files and does not send anything to the game.
Why is my map not shown?: Maximize the minimap so its title is on screen. A map the reader has not seen before is kept as a small sample and added later.
Is it accurate?: EXP is read from the status bar and checked against level changes. If the number looks off, the page tells you what it cannot see (for example a covered status bar).