# Line color vs Equation =

Line color and Equation = are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Line color ships an update every 4 months, Equation = every 5 months. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Line color | Equation = |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 81 MB | 91 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Xi'an Tongqi Communication Science&Technology Co.,Ltd.](https://appshunter.io/developer/647757803) | [Beijing Ningdom Technology Co., Ltd.](https://appshunter.io/developer/434217018) |

## What reviewers say

### Line color

[App page](https://appshunter.io/ios/app/line-color/id647757800)

A puzzle game where players eliminate balls of the same color by forming lines horizontally, vertically, or diagonally. The game ends when the board fills up with new balls appearing after each move.

**Highlights:** Eliminate balls by forming lines, Horizontal, vertical, and diagonal matches, New balls appear after each move, Game over when the desk is filled, Simple, addictive gameplay

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Equation =

[App page](https://appshunter.io/ios/app/equation/id6737338940)

**In-app purchases:** none


## Frequently asked questions

### Is Line color free?

Line color is free to download, with no in-app purchases.

### Is Equation = free?

Equation = is free to download, with no in-app purchases.

### Do Line color or Equation = have ads?

Both Line color and Equation = show ads.

### Which is updated more often, Line color or Equation =?

Line color ships an update every 4 months, and Equation = every 5 months. Most recently, Line color was updated on October 9, 2026 and Equation = on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*