# Observer for Screeps vs Grind Field

The clearest difference is in-app purchases: Observer for Screeps at none against Grind Field's 1. Observer for Screeps also leads on ads (none vs shown). Grind Field's advantage is iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Grind Field sells 1 one-off in-app purchase. Observer for Screeps asks for nothing beyond the download.

## The numbers

| Metric | Observer for Screeps | Grind Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (9 ratings)](https://appshunter.io/ios/app/grind-field/id6741766864/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 135 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Jacob Kelly](https://appshunter.io/developer/1026086454) | [Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi](https://appshunter.io/developer/1225221447) |

## What reviewers say

### Observer for Screeps

[App page](https://appshunter.io/ios/app/observer-for-screeps/id1496710102)

**Features:** Vision Pro support

**In-app purchases:** none


### Grind Field

[App page](https://appshunter.io/ios/app/grind-field/id6741766864)

Merge and strengthen your grinders to collect stones more efficiently. Progress through increasingly challenging levels by cleaning fields and upgrading your equipment. Become stronger to overcome each new obstacle.

**Highlights:** Increase grinder count, Merge and strengthen grinders, Grind stones faster, Clean fields, Progress through levels, Upgrade equipment

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $4.99 | one-time |


## Frequently asked questions

### Is Observer for Screeps free?

Observer for Screeps is free to download, with no in-app purchases.

### Is Grind Field free?

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

### Do Observer for Screeps or Grind Field have ads?

Grind Field shows ads; Observer for Screeps 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.*