# GRIMOVE｜スマホをロックして集中 vs Shift

The clearest difference is in-app purchases: Shift at none against GRIMOVE｜スマホをロックして集中's 4. Shift also leads on update cadence (every 5 days vs every 5 weeks) and iOS requirement (14.0.0 vs 17.0). GRIMOVE｜スマホをロックして集中's advantage is ads (none vs shown). On device support there is nothing between them.

GRIMOVE｜スマホをロックして集中 ships an update every 5 weeks, Shift every 5 days. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GRIMOVE｜スマホをロックして集中 | Shift |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shift/id6793012075/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 60 MB |
| Requires iOS | 17.0 | **14.0.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [HIKARU KAWASAKI](https://appshunter.io/developer/1891992854) | [CROP, K.K.](https://appshunter.io/developer/1812834579) |

## What reviewers say

### 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 |


### Shift

[App page](https://appshunter.io/ios/app/shift/id6793012075)

This app delivers motivational quotes throughout your day, tailored to your needs. It learns from your interactions to personalize the messages and can send them via notifications or widgets. Explore a curated collection of impactful words from notable figures.

**Highlights:** Personalized quote selection, Customizable notifications, Home and lock screen widgets, Curated quotes from notable figures, Shareable quote images, Daily attendance tracking

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is Shift free?

Pricing for Shift is not currently listed on the App Store.

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

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

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

GRIMOVE｜スマホをロックして集中 ships an update every 5 weeks, and Shift every 5 days. Most recently, GRIMOVE｜スマホをロックして集中 was updated on October 12, 2026 and Shift on October 7, 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.*