# DoTracker vs The Great Lock

The clearest difference is update cadence: The Great Lock at daily against DoTracker's every 2 months. The Great Lock also leads on iOS requirement (15.1 vs 17.0). DoTracker's advantage is price ($0.99 vs $1.99). On ads, in-app purchases and device support there is nothing between them.

DoTracker costs $0.99 and The Great Lock $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DoTracker ships an update every 2 months, The Great Lock daily. Both last shipped on October 30, 2026.

## The numbers

| Metric | DoTracker | The Great Lock |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 1 MB | 21 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sekleung chang](https://appshunter.io/developer/867512958) | [Sohail Hussain](https://appshunter.io/developer/1815090104) |

## What reviewers say

### DoTracker

[App page](https://appshunter.io/ios/app/dotracker-to-do-list-tracker/id6498627474)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Great Lock

[App page](https://appshunter.io/ios/app/the-great-lock-in/id6752231202)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DoTracker free?

DoTracker costs $0.99, with no in-app purchases.

### Is The Great Lock free?

The Great Lock costs $1.99, with no in-app purchases.

### Do DoTracker or The Great Lock have ads?

Neither DoTracker nor The Great Lock shows ads.

### Which is updated more often, DoTracker or The Great Lock?

DoTracker ships an update every 2 months, and The Great Lock daily. Most recently, DoTracker was updated on October 30, 2026 and The Great Lock on October 30, 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.*