# Gridflow vs Chains

The clearest difference is in-app purchases: Chains at none against Gridflow's 1. Gridflow's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Gridflow sells 1 one-off in-app purchase. Chains asks for nothing beyond the download.

## The numbers

| Metric | Gridflow | Chains |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chains-line-puzzle/id6785922637/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Ad-supported |
| Size | 15 MB | 107 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Tobias Hotzel](https://appshunter.io/developer/1896538940) | [Katsiaryna Petruchenya](https://appshunter.io/developer/6771518350) |

## What reviewers say

### Gridflow

[App page](https://appshunter.io/ios/app/gridflow-logic-puzzles/id6773568005)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gridflow Premium | $3.99 | one-time |


### Chains

[App page](https://appshunter.io/ios/app/chains-line-puzzle/id6785922637)

Connect spools to create a continuous chain and solve logic puzzles in a steampunk-themed world. Earn rewards for perfect solutions and utilize smart hints to guide your progress without revealing the answer. Enjoy a pressure-free experience with evolving challenges.

**Highlights:** One-line chain logic puzzles, Steampunk visual theme, Smart hint system, Earn up to 3 brass spools per level, 216 levels across 9 packs, Light and dark themes, No timers or lives

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gridflow free?

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

### Is Chains free?

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

### Do Gridflow or Chains have ads?

Chains shows ads; Gridflow does not.

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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.*