# MillionBox vs GRIMOVE｜スマホをロックして集中

The clearest difference is in-app purchases: MillionBox at none against GRIMOVE｜スマホをロックして集中's 4. MillionBox also leads on iOS requirement (12.1 vs 17.0). GRIMOVE｜スマホをロックして集中's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 55 months). On price and device support there is nothing between them.

Both are free to download. GRIMOVE｜スマホをロックして集中 sells 4 in-app purchases, starting at $1.99 per month. MillionBox asks for nothing beyond the download.

MillionBox ships an update every 55 months, GRIMOVE｜スマホをロックして集中 every 5 weeks. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | MillionBox | GRIMOVE｜スマホをロックして集中 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/millionbox/id689902181/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 55 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 49 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [maoko](https://appshunter.io/developer/495151243) | [HIKARU KAWASAKI](https://appshunter.io/developer/1891992854) |

## What reviewers say

### MillionBox

[App page](https://appshunter.io/ios/app/millionbox/id689902181)

Tap a treasure chest repeatedly to try and unlock it. See what surprises await inside as you challenge yourself to reach one million taps.

**Highlights:** Tap to open treasure chest, Challenge to reach one million taps, Discover contents of the treasure box, Simple time-based gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### GRIMOVE｜スマホをロックして集中

[App page](https://appshunter.io/ios/app/grimove/id6761903440)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GRIMOVE 月額 | $1.99 | per month |
| GRIMOVE 年額 | $19.99 | per year |
| コーヒー | $0.99 | one-time |
| プロテイン | $29.99 | one-time |


## Frequently asked questions

### Is MillionBox free?

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

### Is GRIMOVE｜スマホをロックして集中 free?

GRIMOVE｜スマホをロックして集中 is free to download, with in-app purchases available.

### Do MillionBox or GRIMOVE｜スマホをロックして集中 have ads?

MillionBox shows ads; GRIMOVE｜スマホをロックして集中 does not.

### Which is updated more often, MillionBox or GRIMOVE｜スマホをロックして集中?

MillionBox ships an update every 55 months, and GRIMOVE｜スマホをロックして集中 every 5 weeks. Most recently, MillionBox was updated on October 1, 2026 and GRIMOVE｜スマホをロックして集中 on October 12, 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.*