# Threes! vs JustSudoku

The clearest difference is price: JustSudoku at $2.99 against Threes!'s $5.99. Threes!'s advantage is chart position (#21 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Threes! costs $5.99 and JustSudoku $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Threes! | JustSudoku |
| --- | --- | --- |
| Price | $5.99 | **$2.99** |
| Rating | **[4.0 (3K ratings)](https://appshunter.io/ios/app/threes/id779157948/reviews)** | — |
| Number of ratings | **3K** | — |
| Positive reviews | 79.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | — |
| Best chart rank | **#21** | — |
| Size | 74 MB | 46 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sirvo LLC](https://appshunter.io/developer/410629617) | [志斌 林](https://appshunter.io/developer/529745886) |

## What reviewers say

### Threes!

[App page](https://appshunter.io/ios/app/threes/id779157948)

**Currently charting:** #21 Top Paid · Card, #59 Top Paid · Puzzle (US App Store)

A captivating number-sliding puzzle game that offers an endless challenge. Swipe to combine matching numbers, grow your score, and discover adorable characters. This is a complete, buy-once experience with no in-app purchases or ads.

**Highlights:** Number sliding puzzle gameplay, Endless challenge, Adorable characters, Heart-warming soundtrack, No in-app purchases, Universal app for iPhone and iPad

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

**In-app purchases:** none

**What reviewers like**

- 🌟 Addictive and engaging gameplay
- 🎨 Charming art style and music
- 🕹️ Simple yet challenging mechanics
- 💰 Worth the purchase price
- 🕰️ Great for short bursts of play

**What reviewers complain about**

- 🐛 Crashes and performance issues on some devices
- 🔄 Repetitive gameplay can become monotonous
- 🤖 Randomness and lack of control can be frustrating
- 💲 Paid version has unnecessary ads and distractions

**Reported bugs**

- Crashes on launch for some users
- Unresponsive controls and swipe detection issues
- Syncing problems with Game Center

**Requested features**

- Undo/redo functionality
- Customizable difficulty levels
- Ability to save/load game progress
- Leaderboards and achievements


### JustSudoku

[App page](https://appshunter.io/ios/app/justsudoku/id6612009100)

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

**In-app purchases:** none


## Frequently asked questions

### Is Threes! free?

Threes! costs $5.99, with no in-app purchases.

### Is JustSudoku free?

JustSudoku costs $2.99, with no in-app purchases.

### Do Threes! or JustSudoku have ads?

Neither Threes! nor JustSudoku shows ads.

### Which is updated more often, Threes! or JustSudoku?

Threes! ships an update every 3 weeks, and JustSudoku every 3 weeks. Most recently, Threes! was updated on October 18, 2026 and JustSudoku on September 27, 2026.

---

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