# 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 (weekly 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 weekly. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Dr. CheckOff | HashWatcher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (475 ratings)](https://appshunter.io/ios/app/hashwatcher-miner-dashboard/id6753040236/reviews)** |
| Number of ratings | — | **475** |
| Positive reviews | — | 87.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 97 MB | 187 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-miner-dashboard/id6753040236)

Monitor and control a wide range of cryptocurrency mining hardware from a single interface. Track hashrate, power, temperature, and efficiency in real-time. Optimize performance and receive alerts for potential issues.

**Highlights:** Real-time hashrate, power, and temperature monitoring, Birds-eye fleet view of all mining rigs, Remote monitoring via HashWatcher Hub, Overclocking and performance controls for supported miners, Smart temperature alerts, Exportable PDF reports for auditing and electricity tracking, Mac Menu Bar live stats

**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 weekly. Most recently, Dr. CheckOff was updated on October 8, 2026 and HashWatcher on October 16, 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.*