# Dr. CheckOff vs HashWatcher

The clearest difference is in-app purchases: Dr. CheckOff at none against HashWatcher's 3. HashWatcher's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HashWatcher sells 3 in-app purchases, starting at $2.99 per month. Dr. CheckOff asks for nothing beyond the download.

Dr. CheckOff ships an update every 2 weeks, HashWatcher every 5 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Dr. CheckOff | HashWatcher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (491 ratings)](https://appshunter.io/ios/app/hashwatcher-mining-dashboard/id6753040236/reviews)** |
| Number of ratings | — | **491** |
| Positive reviews | — | 87.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 97 MB | 215 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Rogers](https://appshunter.io/developer/1702643907) | [Engineered Essentials Ventures, LLC](https://appshunter.io/developer/1666420484) |

## What reviewers say

### Dr. CheckOff

[App page](https://appshunter.io/ios/app/dr-checkoff/id6461722452)

**Features:** macOS Compatibility

**In-app purchases:** none


### HashWatcher

[App page](https://appshunter.io/ios/app/hashwatcher-mining-dashboard/id6753040236)

Monitor and control your Bitcoin mining hardware fleet from a single, intuitive interface. Optimize performance, track key metrics, and receive alerts for your mining operations. Integrates with solar power systems for smarter energy management.

**Highlights:** Fleet monitoring dashboard, Real-time hashrate, power, temp tracking, Miner controls (overclocking, modes), Solar power integration, Remote monitoring via Hub/Gateway, Alerts for temperature, anomalies, etc., iOS widgets and Apple Watch support

**Features:** iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $19.99 | per year |
| Lifetime Premium | $39.99 | one-time |


## Frequently asked questions

### Is Dr. CheckOff free?

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

### Is HashWatcher free?

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

### Do Dr. CheckOff or HashWatcher have ads?

Neither Dr. CheckOff nor HashWatcher shows ads.

### Which is updated more often, Dr. CheckOff or HashWatcher?

Dr. CheckOff ships an update every 2 weeks, and HashWatcher every 5 days. Most recently, Dr. CheckOff was updated on November 3, 2026 and HashWatcher 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.*