# PumpLock vs GrindLock Screen Time Control

The clearest difference is monetization model: PumpLock at free with in-app purchases against GrindLock Screen Time Control's subscription. PumpLock also leads on device support and ratings volume (40 vs 13). GrindLock Screen Time Control's advantage is rating (4.9 vs 4.5). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. PumpLock sells 3 in-app purchases, starting at $9.99 per 7 days and GrindLock Screen Time Control sells 4 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

GrindLock Screen Time Control holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 40 and 13 respectively.

PumpLock ships an update every 4 days, GrindLock Screen Time Control every 2 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PumpLock | GrindLock Screen Time Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (40 ratings)](https://appshunter.io/ios/app/pumplock-workout-app-blocker/id6760455805/reviews) | **[4.9 (13 ratings)](https://appshunter.io/ios/app/grindlock-screen-time-control/id6761210069/reviews)** |
| Number of ratings | **40** | 13 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 35 MB | 190 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [JEAN PAUL CORELLA MARADIAGA](https://appshunter.io/developer/1884554432) | [Slice of Life Ltd](https://appshunter.io/developer/896829956) |

## What reviewers say

### PumpLock

[App page](https://appshunter.io/ios/app/pumplock-workout-app-blocker/id6760455805)

This app helps you regain control of your time by locking distracting applications until you complete a workout. It offers guided exercises, customizable discipline schedules, and progress tracking to build healthy habits.

**Highlights:** App blocking until workout completion, Customizable discipline schedules, 30+ guided exercises with animations, Progress and streak tracking, Mindful Unlock feature, Achievement system

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GrindLock Weekly | $9.99 | per 7 days |
| GrindLock Monthly | $14.99 | per month |
| GrindLock Annual | $49.99 | per year |


### GrindLock Screen Time Control

[App page](https://appshunter.io/ios/app/grindlock-screen-time-control/id6761210069)

This app transforms phone addiction into fitness by requiring exercise to unlock screen time. Earn minutes of app usage by completing pushups or squats, building an athletic physique while reducing digital distractions. It helps users regain control of their time and improve focus.

**Highlights:** Smart app blocker for addictive apps, Exercise-based screen time timer, Unlock minutes with pushups/squats, Pose detection for rep counting, Fitness progress tracking, Digital wellbeing tools and reports

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited (1 month) | $14.99 | per month |
| Unlimited (1 Year) | $19.99 | per year |
| Unlimited (1 year) | $29.99 | per year |
| Unlimited (1 year) | $49.99 | per year |


## Frequently asked questions

### Is PumpLock free?

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

### Is GrindLock Screen Time Control free?

GrindLock Screen Time Control is free to download, with in-app purchases available.

### Which has better reviews, PumpLock or GrindLock Screen Time Control?

GrindLock Screen Time Control is rated higher. PumpLock averages 4.5 out of 5 from 40 ratings, while GrindLock Screen Time Control averages 4.9 from 13 ratings.

### Which is updated more often, PumpLock or GrindLock Screen Time Control?

PumpLock ships an update every 4 days, and GrindLock Screen Time Control every 2 days. Most recently, PumpLock was updated on October 31, 2026 and GrindLock Screen Time Control on October 28, 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.*