# Doubling Threes vs Draw One Line

The clearest difference is ads: Doubling Threes at none against Draw One Line's shown. Doubling Threes also leads on update cadence (every 11 days vs every 4 months) and monetization model (free vs ad-supported). Draw One Line's advantage is review sentiment (100% vs 71%) and ratings volume (4 vs 1). On price, rating, in-app purchases and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Doubling Threes against 5.0 for Draw One Line. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews are what separate them: 71% of Doubling Threes's written reviews are positive against 100% of Draw One Line's.

Doubling Threes ships an update every 11 days, Draw One Line every 4 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Doubling Threes | Draw One Line |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/doubling-threes/id858518305/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/draw-one-line-connect-dots/id1108795099/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 67 MB | 24 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atomic Nitro](https://appshunter.io/developer/774273928) | [亚州 王](https://appshunter.io/developer/991530214) |

## What reviewers say

### Doubling Threes

[App page](https://appshunter.io/ios/app/doubling-threes/id858518305)

An addictive arcade game where players strategically place balls on a grid to double numbers. The grid shifts randomly, merging identical balls to increase their value. Special star balls can double any adjacent ball.

**Highlights:** Place balls on a grid, Grid moves in random directions, Merge identical balls, Double numbers, Use star balls to double others

**Features:** macOS Compatibility

**In-app purchases:** none


### Draw One Line

[App page](https://appshunter.io/ios/app/draw-one-line-connect-dots/id1108795099)

Connect all the dots with a single, continuous stroke without repeating any lines. This engaging puzzle game offers a hint function to assist players when they get stuck. It's a fun and challenging experience suitable for all ages.

**Highlights:** Connect all dots with one stroke, No repeating lines, Hint function available, Suitable for all ages, Challenging puzzles

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

**In-app purchases:** none


## Frequently asked questions

### Is Doubling Threes free?

Doubling Threes is free to download, with no in-app purchases.

### Is Draw One Line free?

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

### Which has better reviews, Doubling Threes or Draw One Line?

Doubling Threes and Draw One Line are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Doubling Threes or Draw One Line have ads?

Draw One Line shows ads; Doubling Threes does not.

### Which is updated more often, Doubling Threes or Draw One Line?

Doubling Threes ships an update every 11 days, and Draw One Line every 4 months. Most recently, Doubling Threes was updated on November 6, 2026 and Draw One Line on November 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.*