# Checkweight vs Winterlock

The clearest difference is ads: Checkweight at none against Winterlock's shown. Checkweight also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Checkweight ships an update weekly, Winterlock every 5 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Checkweight | Winterlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/winterlock-winter-arc-tracker/id6807602638/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | — | Ad-supported |
| Size | 40 MB | 35 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jakob Kohlhas](https://appshunter.io/developer/1887107248) | [GCL Tech](https://appshunter.io/developer/1784049183) |

## What reviewers say

### Checkweight

[App page](https://appshunter.io/ios/app/checkweight-calorie-tracker/id6760977915)

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

**In-app purchases:** none


### Winterlock

[App page](https://appshunter.io/ios/app/winterlock-winter-arc-tracker/id6807602638)

This app helps you commit to personal goals during the winter months by setting daily rules and tracking your adherence. It provides a visual representation of your progress and streak, encouraging consistency. The app works offline and requires no account creation.

**Highlights:** Set up to 10 daily non-negotiable rules, Create a personalized contract card, Daily check-in to lock in progress, Visual 92-day grid for streak tracking, Offline functionality, Optional daily reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is Checkweight free?

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

### Is Winterlock free?

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

### Do Checkweight or Winterlock have ads?

Winterlock shows ads; Checkweight does not.

### Which is updated more often, Checkweight or Winterlock?

Checkweight ships an update weekly, and Winterlock every 5 days. Most recently, Checkweight was updated on October 13, 2026 and Winterlock 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.*