# Constellation Energy Lines vs SmartMath

The clearest difference is in-app purchases: SmartMath at none against Constellation Energy Lines's 7. SmartMath also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Constellation Energy Lines sells 7 one-off in-app purchases. SmartMath asks for nothing beyond the download.

Constellation Energy Lines ships an update every 9 months, SmartMath every 2 weeks. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Constellation Energy Lines | SmartMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/constellation-energy-lines/id1573703862/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 103 MB |
| Requires iOS | 12.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [PLAYTOUCH](https://appshunter.io/developer/608330754) | [Victor Graciano](https://appshunter.io/developer/1625749662) |

## What reviewers say

### Constellation Energy Lines

[App page](https://appshunter.io/ios/app/constellation-energy-lines/id1573703862)

A cosmic puzzle game where you connect all stars with a single line. Enjoy a relaxing and satisfying experience with simple rules and a space-themed universe.

**Highlights:** Connect stars with one line, Cosmic space theme, Mind challenging puzzles, Simple rules, Relaxing gameplay

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 diamonds | $0.99 | one-time |
| 300 diamonds | $1.99 | one-time |
| Remove all ADS from the game | $1.99 | one-time |
| 550 diamonds | $3.99 | one-time |
| 1200 diamonds | $8.99 | one-time |
| 2500 diamonds | $17.99 | one-time |
| 4000 diamonds | $26.99 | one-time |


### SmartMath

[App page](https://appshunter.io/ios/app/smartmath/id6443455185)

A simple math game where players create and solve equations to earn points and advance through levels. It's designed for young learners to practice arithmetic skills in an engaging way.

**Highlights:** Create equations, Solve equations, Earn points, Advance levels, Arithmetic practice

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

**In-app purchases:** none


## Frequently asked questions

### Is Constellation Energy Lines free?

Constellation Energy Lines is free to download, with in-app purchases available.

### Is SmartMath free?

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

### Do Constellation Energy Lines or SmartMath have ads?

Constellation Energy Lines shows ads; SmartMath does not.

### Which is updated more often, Constellation Energy Lines or SmartMath?

Constellation Energy Lines ships an update every 9 months, and SmartMath every 2 weeks. Most recently, Constellation Energy Lines was updated on October 15, 2026 and SmartMath on October 13, 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.*