Comparison

One Line vs Volt Block

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

Head to head
About

One Line

Recreate intricate line patterns by strategically moving connected dots on a grid. This puzzle game challenges your spatial reasoning and planning skills as you match target designs. Utilize undo, reset, and hint features to navigate increasingly complex arrangements.

Highlights
  • Move connected dots on a grid
  • Recreate target patterns
  • Solve spatial puzzles
  • Undo and reset moves
  • Use in-game hints
  • Progress through complex designs
Features
Read full description

Recreate line patterns by moving connected dots into the correct positions. Each level presents a target design and a set of connected points on a grid. Drag the dots to change the arrangement of the lines, then compare your result with the pattern shown above the board. Finding the solution requires careful observation and an understanding of how each movement affects the complete shape. The puzzles begin with straightforward arrangements before introducing more detailed designs that require additional planning. If a move does not work as expected, use the undo or reset controls to try a different approach. Hints are also available when you need some guidance. Features: • Move connected dots across a grid • Recreate the target shown in each level • Solve a sequence of spatial pattern puzzles • Undo individual moves or reset the board • Use hints when you need assistance • Progress through increasingly detailed arrangements • Play with simple drag controls Examine the connections, consider each position, and discover how to form every pattern.

About

Volt Block

Build a futuristic metropolis by generating power and illuminating every corner. Transform a quiet town into a dazzling cyber city, enjoying the creative process at your own pace.

Highlights
  • Build futuristic cityscapes
  • Generate power
  • Illuminate city lights
  • City growth simulation
  • Casual gameplay
  • Creative city design
Features
Read full description

Welcome to the world of Volt Block! Looking for a casual puzzle game to relax your mind and train your logic? Volt Block brings you a brand-new block elimination experience. Enjoy the fun of dragging and matching blocks anytime, anywhere. Flexible Elimination Rules No more rigid single-line elimination. You can clear blocks in the following ways: - Fill an entire row or column - Complete any 3x3 grid area Work out your best placement strategy and pull off thrilling chain combos! No Time Limits, Stress-free Gameplay There is no countdown in Volt Block. Take all the time you need to plan every move and pause the game whenever you want. Four useful items will help you get through tough levels. Progressive Levels & Clear Goals Each level has a specific task: remove a set number of bulb obstacles on the grid. Clear blocks around the bulbs to get rid of them, beat the level and unlock more challenging stages. Whether you want to kill time on your commute, take a break from work or simply unwind, Volt Block is your perfect choice. Simple rules, endless strategic fun! Download Volt Block for free now and begin your block puzzle journey!

Screenshots

One Line4 screens
Volt Block4 screens

Verdict

The call

The clearest difference is in-app purchases: One Line at none against Volt Block's 3. On price, rating, ratings volume and update cadence 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. Volt Block sells 3 one-off in-app purchases. One Line asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for One Line against 4.8 for Volt Block. Both are backed by a comparable volume of ratings — 180 and 152 respectively.

UpkeepUpdate frequency

One Line ships an update monthly, Volt Block every 3 weeks. Both last shipped on October 31, 2026.

Scorecard2 real differences · 8 level
One Line versus Volt Block: the parameters behind the verdict, then further details
ParameterOne LineVolt Block
PriceFreeFree
Rating4.6 (180 ratings)4.8 (152 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings180 — better152
Update frequencyMonthlyEvery 3 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size341 MB210 MB
Age rating17++17
DeveloperGimica GmbHHK GANGXING TECHNOLOGY LIMITED

Customer experience

One Line

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Volt Block

All ratings67 ratings
Positive97.0%
Neutral0.0%
Negative3.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

One Line

No in-app purchases

3 purchases

Volt Block

One-time3
  • Daily Supply$1.99
  • Newbie Offer$4.99
  • Value Stash$9.99

Questions

Is One Line free?
One Line is free to download, with no in-app purchases.
Is Volt Block free?
Volt Block is free to download, with in-app purchases available.
Which has better reviews, One Line or Volt Block?
Volt Block is rated higher. One Line averages 4.6 out of 5 from 180 ratings, while Volt Block averages 4.8 from 152 ratings.
Do One Line or Volt Block have ads?
Both One Line and Volt Block show ads.
Which is updated more often, One Line or Volt Block?
One Line ships an update monthly, and Volt Block every 3 weeks. Most recently, One Line was updated on October 31, 2026 and Volt Block on October 31, 2026.

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