The experience page names four upgrades and says you buy them to dig faster. It does not publish prices, tiers, or a separate effect for each one, so these entries do not rank the tools.
Pickaxe, drill, dynamite, and car. The experience page groups them as upgrades that make you dig faster.
Listed with the digging tools as something you buy and upgrade to dig faster.
FAQ
[CLANS] Escape the Cave Equipment FAQ
Which Roblox game is this guide for?
This guide is for [CLANS] Escape the Cave by WorldLab Studios, the experience at roblox.com/games/132386075859319. Other Roblox games with similar cave or escape names are separate experiences.
What is the goal?
Mine the rock wall, sell your haul at the cart, and reach the end of the tunnel to unlock the ending. The experience page also says the cave is not done with you yet, without naming a second area.
How many players can join?
You can play solo or bring up to 3 friends. The Roblox record also sets the server size at 20 players. Those are separate limits: a party of four, and a server that can hold more people.
What is the difference between Easy and Hard?
The experience offers Easy and Hard mode. The public description does not say how health, rock strength, rewards, or time differ between them. Check the mode shown in game before you compare a run time.
How many miner classes are there?
The experience page says there are 9 miner classes. It does not publish their names, costs, or effects, so this site does not list or rank classes.
Can I create a VIP server?
The Roblox experience record does not allow VIP servers for this game.