Comparison

DigDigDrill vs Valence Lab

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

Head to head
About

DigDigDrill

Embark on an underground mining adventure where you dig for minerals and treasures. Use your collected items to craft unique drills with customizable effects. Enjoy a relaxing, no-pressure experience with no enemies or time limits.

Highlights
  • Underground mining and resource collection
  • Craft original drills with a hack-and-slash system
  • Collect various minerals and treasures
  • Forge drills using collected materials
  • Random special drill effects
  • Relaxing gameplay with no enemies or time limits
Features
Read full description

Dig, Dig, and Dig! This game is an underground mining and resource collecting game. Dig freely for minerals and treasures. Use the items you collect to forge your original drills in a hack-and-slash style equipment system. ◆Recommended for◆ *Those who enjoy grinding games. *Those who want to collect many items. *Those who enjoy creating builds in hack-and-slash games. *Those who seek a relaxing game. ◆Game Flow◆ 1: Dig and collect ores and treasure boxes. 2: Sell collected ores to get coins. 3: Use coins and materials to forge new drills. 4: With new equipment, you can dig deeper and faster. ◆Features◆ -Many Materials- There are many minerals underground. You may find special items in gold treasure boxes! -Puzzle Forging- Use the collected minerals to create new drills. You might create the ultimate drill if you fit the ores into the blueprint smartly. -Random Special Effects- Your drill might gain special effects. Combine them effectively to strengthen your power! * Focus on movement speed for carrying resources quickly? * Enhance explosions for massive destruction? The choice is yours! -Zen-like Relaxing Game- No enemies. No time limit. No story. All you have to do is just mine! ◆Credits◆ Sound: Koukaonrabo, Koukaonziten, OtoLogic BGM: Music Atelier Amacha

About

Valence Lab

Features
Read full description

Take atoms from cylinders and bond them into molecules! Valence Lab is a molecule-building puzzle on a hexagonal board. Currently 251 named molecules, from water to benzene. Collect them all to complete the codex! HOW TO PLAY 1. Tap a cylinder to place an atom. 2. Slide to a neighbor to bond. Slide again for a double or triple bond. 3. Fill every hand to complete the molecule. Start with the tutorial. Hints are available too. FILL THE CODEX Molecules are identified by atoms and bonds. Unnamed combinations are saved as original molecules. The codex shows how many times you made each one. DAILY GOALS Daily missions change every day. Make varied molecules to unlock achievements. Rank up through 10 title levels. GROW YOUR LAB Earn research points by making molecules. Unlock new atoms and skins. More atom types, more molecules to build. RECOMMENDED FOR - Puzzle fans - Collectors who like a full set - Anyone curious about molecules BEFORE YOU PLAY - No account needed. Progress stays on your device. - Core play works offline. Ads and purchases need a connection. - A banner ad shows at the bottom. - Optional rewarded videos give bonuses such as hints. - In-app purchases: Gold Member and Full restore. Gold Member removes ads and adds a board row. - Valence and bonding are simplified. Not every isomer, reaction, or molecular stability is reproduced. - In English and Japanese.

Screenshots

DigDigDrill4 screens
Valence Lab4 screens

Verdict

The call

The clearest difference is update cadence: Valence Lab at every 10 days against DigDigDrill's monthly. DigDigDrill's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases 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. DigDigDrill sells 1 one-off in-app purchase and Valence Lab sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DigDigDrill ships an update monthly, Valence Lab every 10 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
DigDigDrill versus Valence Lab: the parameters behind the verdict, then further details
ParameterDigDigDrillValence Lab
PriceFreeFree
Rating4.9 (81 ratings) — better—
Positive reviews94.4% of reviews—
Number of ratings81 — better—
Update frequencyMonthlyEvery 10 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size139 MB35 MB
Age rating4+4+
DeveloperToki MatsuiPOYOFARM

In-app purchases

1 purchases

DigDigDrill

One-time1
  • Remove Ads$2.99
2 purchases

Valence Lab

One-time2
  • Full restore$0.99
  • Gold Member$4.99

Questions

Is DigDigDrill free?
DigDigDrill is free to download, with in-app purchases available.
Is Valence Lab free?
Valence Lab is free to download, with in-app purchases available.
Do DigDigDrill or Valence Lab have ads?
Both DigDigDrill and Valence Lab show ads.
Which is updated more often, DigDigDrill or Valence Lab?
DigDigDrill ships an update monthly, and Valence Lab every 10 days. Most recently, DigDigDrill was updated on November 3, 2026 and Valence Lab on October 31, 2026.

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