# HVGrounded vs Sake Stamp Book

The clearest difference is in-app purchases: HVGrounded at none against Sake Stamp Book's 2. HVGrounded also leads on ads (none vs shown) and iOS requirement (16.4 vs 18.6). Sake Stamp Book's advantage is update cadence (weekly vs every 2 months). On price, monetization model and device support there is nothing between them.

Both are free to download. Sake Stamp Book sells 2 in-app purchases, starting at $0.99 per month. HVGrounded asks for nothing beyond the download.

HVGrounded ships an update every 2 months, Sake Stamp Book weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HVGrounded | Sake Stamp Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hvgrounded/id6745561691/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 41 MB | 26 MB |
| Requires iOS | **16.4** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [Barone Partners LLC](https://appshunter.io/developer/1812930120) | [RYUSUKE ISHIZAWA](https://appshunter.io/developer/1892546293) |

## What reviewers say

### HVGrounded

[App page](https://appshunter.io/ios/app/hvgrounded/id6745561691)

This app allows users to earn and track rewards points with every purchase as a member. You can redeem these points for discounts and personalized promotions, or use the mobile ordering feature for pickup or delivery. Stay updated on exclusive deals and refer friends to earn more.

**Highlights:** Earn and track rewards points, Redeem points for discounts, Personalized promotions, Mobile ordering for pickup/delivery, Push notifications for deals, Refer-a-friend program

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

**In-app purchases:** none


### Sake Stamp Book

[App page](https://appshunter.io/ios/app/sake-stamp-book/id6763914823)

Record your sake experiences, including name, brewery, prefecture, rating, and notes. Save memories with photos and organize your collection by prefecture to visualize your progress. Ideal for sake enthusiasts and travelers.

**Highlights:** Record sake details (name, brewery, prefecture, rating, notes), Save memories with photos, Organize records by prefecture, Visualize collection progress, Track completion of all Japanese prefectures

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Goshuin Premium Monthly | $0.99 | per month |
| Goshuin Premium Yearly | $6.99 | per year |


## Frequently asked questions

### Is HVGrounded free?

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

### Is Sake Stamp Book free?

Sake Stamp Book is free to download, with in-app purchases available.

### Do HVGrounded or Sake Stamp Book have ads?

Sake Stamp Book shows ads; HVGrounded does not.

### Which is updated more often, HVGrounded or Sake Stamp Book?

HVGrounded ships an update every 2 months, and Sake Stamp Book weekly. Most recently, HVGrounded was updated on October 30, 2026 and Sake Stamp Book on October 31, 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.*