# Grid Journey vs must be one

The clearest difference is in-app purchases: must be one at none against Grid Journey's 1. Grid Journey's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Grid Journey sells 1 one-off in-app purchase. must be one asks for nothing beyond the download.

Grid Journey ships an update every 2 months, must be one every 5 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Grid Journey | must be one |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/grid-journey/id6448929601/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 141 MB | 6 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Stephen Rice](https://appshunter.io/developer/1686989865) | [office-canard games](https://appshunter.io/developer/6793797221) |

## What reviewers say

### Grid Journey

[App page](https://appshunter.io/ios/app/grid-journey/id6448929601)

Solve puzzles by merging gems to forge a path through a mysterious cave. Explore new realms, including the Windy River, with over 500 levels. Revisit stages to improve scores or tackle ultimate challenges.

**Highlights:** Gem merging puzzles, Mysterious cave exploration, Over 500 levels, Windy River chapter, Score challenges, No-restart challenges

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Game | $2.99 | one-time |


### must be one

[App page](https://appshunter.io/ios/app/must-be-one/id6794124997)

**In-app purchases:** none


## Frequently asked questions

### Is Grid Journey free?

Grid Journey is free to download, with in-app purchases available.

### Is must be one free?

must be one is free to download, with no in-app purchases.

### Do Grid Journey or must be one have ads?

must be one shows ads; Grid Journey does not.

### Which is updated more often, Grid Journey or must be one?

Grid Journey ships an update every 2 months, and must be one every 5 weeks. Most recently, Grid Journey was updated on November 3, 2026 and must be one on October 31, 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.*