# ドッグフードの量計算 vs Zen Feed

The clearest difference is in-app purchases: ドッグフードの量計算 at none against Zen Feed's 1. ドッグフードの量計算 also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Zen Feed sells 1 one-off in-app purchase. ドッグフードの量計算 asks for nothing beyond the download.

## The numbers

| Metric | ドッグフードの量計算 | Zen Feed |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | — |
| Size | 7 MB | 58 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mamoru Yano](https://appshunter.io/developer/1222407447) | [Masakatsu Aida](https://appshunter.io/developer/6779135295) |

## What reviewers say

### ドッグフードの量計算

[App page](https://appshunter.io/ios/app/id1229012053)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zen Feed

[App page](https://appshunter.io/ios/app/zen-feed-rss-and-atom-reader/id6795795506)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $29.99 | one-time |


## Frequently asked questions

### Is ドッグフードの量計算 free?

ドッグフードの量計算 is free to download, with no in-app purchases.

### Is Zen Feed free?

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

### Do ドッグフードの量計算 or Zen Feed have ads?

Zen Feed shows ads; ドッグフードの量計算 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.*