# Number Join vs Space Age 2023

The clearest difference is in-app purchases: Space Age 2023 at none against Number Join's 1. Space Age 2023 also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 5 months). On price, review sentiment and device support there is nothing between them.

Both are free to download. Number Join sells 1 one-off in-app purchase. Space Age 2023 asks for nothing beyond the download.

Number Join ships an update every 5 months, Space Age 2023 every 4 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Number Join | Space Age 2023 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (59 ratings)](https://appshunter.io/ios/app/number-join-connect-diagonal/id611072465/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | **88.9% of reviews** | 84.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 24 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Stanley Lam](https://appshunter.io/developer/453164363) | [Turker GUNEY](https://appshunter.io/developer/1080204840) |

## What reviewers say

### Number Join

[App page](https://appshunter.io/ios/app/number-join-connect-diagonal/id611072465)

A logic puzzle game where you fill in missing numbers sequentially. Solve puzzles by connecting numbers horizontally, vertically, or diagonally across various difficulty levels. Features include hints, auto-save, and time tracking.

**Highlights:** Fill missing numbers sequentially, Horizontal, vertical, and diagonal connections, 5 difficulty levels, Over 500 levels, Check function for wrong numbers, Auto-save unfinished levels, Record best completion times

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Version | $0.99 | one-time |


### Space Age 2023

[App page](https://appshunter.io/ios/app/space-age-2023/id1182929215)

Pilot a lone spacecraft to defend the galaxy from alien hordes in this classic shoot 'em up. Upgrade your ship, collect power-ups, and advance through 10 challenging levels. Experience fast-paced retro arcade action with great sound.

**Highlights:** Save the galaxy from alien hordes, Upgrade your spacecraft, Collect power-ups, 10 challenging levels, Retro arcade feel, Fast smooth action

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Join free?

Number Join is free to download, with in-app purchases available.

### Is Space Age 2023 free?

Space Age 2023 is free to download, with no in-app purchases.

### Do Number Join or Space Age 2023 have ads?

Number Join shows ads; Space Age 2023 does not.

### Which is updated more often, Number Join or Space Age 2023?

Number Join ships an update every 5 months, and Space Age 2023 every 4 weeks. Most recently, Number Join was updated on November 6, 2026 and Space Age 2023 on November 2, 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.*