# Threes! vs Nebula Merge

The clearest difference is price: Nebula Merge at Free against Threes!'s $5.99. Nebula Merge also leads on rating (5.0 vs 4.0) and update cadence (daily vs every 3 weeks). Threes!'s advantage is in-app purchases (none vs 6) and ads (none vs shown).

Nebula Merge is free to download; Threes! costs $5.99 up front. Nebula Merge sells 6 one-off in-app purchases. Threes! asks for nothing beyond the download.

Nebula Merge holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Threes! has 3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 79% of Threes!'s written reviews are positive against 100% of Nebula Merge's.

Threes! ships an update every 3 weeks, Nebula Merge daily. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Threes! | Nebula Merge |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [4.0 (3K ratings)](https://appshunter.io/ios/app/threes/id779157948/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nebula-merge/id6802319612/reviews)** |
| Number of ratings | **3K** | 2 |
| Positive reviews | 79.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#35** | — |
| Size | 74 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sirvo LLC](https://appshunter.io/developer/410629617) | [TYLER JOSEPH RUBINO](https://appshunter.io/developer/6802319614) |

## What reviewers say

### Threes!

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

**Currently charting:** #35 Top Paid · Card, #80 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


### Nebula Merge

[App page](https://appshunter.io/ios/app/nebula-merge/id6802319612)

Drop celestial bodies into a cosmic well, merging matching tiers to ascend. Fuse various cosmic objects to reach an Eternal Nebula, using comets and void shards to your advantage. Earn in-game currency for permanent upgrades and compete in daily challenges.

**Highlights:** Celestial body merging, Permanent upgrades, Daily, weekly, monthly challenges, Prestige system for bonuses, Leaderboard competition, Offline play

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocket Dust | $0.99 | one-time |
| Cosmic Pass | $4.99 | one-time |
| Comet Cluster | $4.99 | one-time |
| Star Cache | $9.99 | one-time |
| Nebula Vault | $19.99 | one-time |
| Cosmic Treasury | $39.99 | one-time |


## Frequently asked questions

### Is Threes! free?

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

### Is Nebula Merge free?

Nebula Merge is free to download, with in-app purchases available.

### Which has better reviews, Threes! or Nebula Merge?

Nebula Merge is rated higher. Threes! averages 4.0 out of 5 from 3K ratings, while Nebula Merge averages 5.0 from 2 ratings.

### Do Threes! or Nebula Merge have ads?

Nebula Merge shows ads; Threes! does not.

### Which is updated more often, Threes! or Nebula Merge?

Threes! ships an update every 3 weeks, and Nebula Merge daily. Most recently, Threes! was updated on October 21, 2026 and Nebula Merge on October 17, 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.*