# Do line! vs Grass Eater

The clearest difference is rating: Do line! at 5.0 against Grass Eater's 4.3. Do line! also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (11.0 vs 13.0). Grass Eater's advantage is ratings volume (52 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Do line! holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Grass Eater has 52 ratings behind it against 1, so its average is the more settled of the two.

Do line! ships an update every 3 weeks, Grass Eater every 3 months. The most recent releases landed on June 11, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Do line! | Grass Eater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/do-line/id1645452678/reviews)** | [4.3 (52 ratings)](https://appshunter.io/ios/app/grass-eater/id6444343670/reviews) |
| Number of ratings | 1 | **52** |
| Positive reviews | — | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 179 MB | 182 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MondayOFF LLC](https://appshunter.io/developer/1448226898) | [Yso Corp](https://appshunter.io/developer/659815325) |

## What reviewers say

### Do line!

[App page](https://appshunter.io/ios/app/do-line/id1645452678)

A simple, touch-based game designed for quick play sessions. Enjoy a fantastic experience during your short breaks. Developed by a South Korean studio specializing in hyper-casual games.

**Highlights:** Simple touch controls, Free to play, Ideal for short breaks, Fantastic game feel, Hyper-casual gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Grass Eater

[App page](https://appshunter.io/ios/app/grass-eater/id6444343670)

Grow your grass empire by consuming vast amounts of it. Reproduce to create more grass eaters and evolve your species. A simple yet engaging idle game focused on growth and progression.

**Highlights:** Eat grass to grow, Reproduce to create children, Evolve your grass eaters, Simple progression gameplay, Idle game mechanics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Do line! free?

Do line! is free to download, with no in-app purchases.

### Is Grass Eater free?

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

### Which has better reviews, Do line! or Grass Eater?

Do line! is rated higher. Do line! averages 5.0 out of 5 from 1 ratings, while Grass Eater averages 4.3 from 52 ratings.

### Do Do line! or Grass Eater have ads?

Both Do line! and Grass Eater show ads.

### Which is updated more often, Do line! or Grass Eater?

Do line! ships an update every 3 weeks, and Grass Eater every 3 months. Most recently, Do line! was updated on June 11, 2026 and Grass Eater on September 16, 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.*