# MFW vs ShotLock

The clearest difference is in-app purchases: MFW at none against ShotLock's 3. MFW also leads on iOS requirement (13.4 vs 16.0). ShotLock's advantage is update cadence (every 2 weeks vs every 42 months). On price, ads and device support there is nothing between them.

Both are free to download. ShotLock sells 3 in-app purchases, starting at $6.99 per month. MFW asks for nothing beyond the download.

MFW ships an update every 42 months, ShotLock every 2 weeks. The most recent releases landed on October 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MFW | ShotLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shotlock-glp-1-shot-tracker/id6775583244/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 21 MB | 68 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Spark Media, Inc.](https://appshunter.io/developer/1225569373) | [FocusGate](https://appshunter.io/developer/1892077601) |

## What reviewers say

### MFW

[App page](https://appshunter.io/ios/app/mfw/id1461976808)

**In-app purchases:** none


### ShotLock

[App page](https://appshunter.io/ios/app/shotlock-glp-1-shot-tracker/id6775583244)

This app ensures you never miss a GLP-1 medication dose by locking distracting apps until you log your injection. It also tracks your progress, medication levels, and provides insights into your health journey. Designed for consistency, it helps users adhere to their treatment plans.

**Highlights:** App locking until dose confirmation, One-tap dose logging, Injection site rotation suggestions, Estimated medication level curves, Weight and progress tracking, Home screen widgets, Data export options

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Yearly Subscription | $39.99 | per year |
| One-Time Purchase | $39.99 | one-time |


## Frequently asked questions

### Is MFW free?

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

### Is ShotLock free?

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

### Do MFW or ShotLock have ads?

Neither MFW nor ShotLock shows ads.

### Which is updated more often, MFW or ShotLock?

MFW ships an update every 42 months, and ShotLock every 2 weeks. Most recently, MFW was updated on October 7, 2026 and ShotLock 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.*