# Gravity 80s vs Gridflare

The clearest difference is in-app purchases: Gravity 80s at none against Gridflare's 4. Gridflare's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Gridflare sells 4 one-off in-app purchases. Gravity 80s asks for nothing beyond the download.

## The numbers

| Metric | Gravity 80s | Gridflare |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 6 MB | 51 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kota morishita](https://appshunter.io/developer/457218231) | [Jorge Alves](https://appshunter.io/developer/1838093137) |

## What reviewers say

### Gravity 80s

[App page](https://appshunter.io/ios/app/gravity-80s/id6760158837)

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

**In-app purchases:** none


### Gridflare

[App page](https://appshunter.io/ios/app/gridflare-block-puzzle/id6788574356)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single Revive | $0.99 | one-time |
| 500 Coins | $2.99 | one-time |
| 1000 Coins | $4.99 | one-time |
| 2500 Coins | $9.99 | one-time |


## Frequently asked questions

### Is Gravity 80s free?

Gravity 80s is free to download, with no in-app purchases.

### Is Gridflare free?

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

### Do Gravity 80s or Gridflare have ads?

Neither Gravity 80s nor Gridflare shows ads.

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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.*