# Device Monitor & Diagnostics + vs HackCheck

The clearest difference is in-app purchases: HackCheck at none against Device Monitor & Diagnostics +'s 5. HackCheck also leads on update cadence (every 3 days vs monthly). Device Monitor & Diagnostics +'s advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Device Monitor & Diagnostics + sells 5 in-app purchases, starting at $4.99 per 7 days. HackCheck asks for nothing beyond the download.

Device Monitor & Diagnostics + ships an update monthly, HackCheck every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Device Monitor & Diagnostics + | HackCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/device-monitor-and-diagnostics-plus/id6748753384/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 13 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Cruz Hamlin](https://appshunter.io/developer/1827257052) | [INVISIBLE Co., Ltd.](https://appshunter.io/developer/1837641997) |

## What reviewers say

### Device Monitor & Diagnostics +

[App page](https://appshunter.io/ios/app/device-monitor-and-diagnostics-plus/id6748753384)

Gain deep insights into your iPhone or iPad's hardware and performance. Monitor battery health, storage, CPU/GPU, display, network, and sensors. Run diagnostics and generate detailed reports.

**Highlights:** Detailed device specifications, Real-time battery monitoring, Storage and RAM usage tracking, CPU and GPU performance, Network connectivity status, Sensor data, System diagnostics and reporting

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### HackCheck

[App page](https://appshunter.io/ios/app/hackcheck/id6812283920)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Device Monitor & Diagnostics + free?

Device Monitor & Diagnostics + is free to download, with in-app purchases available.

### Is HackCheck free?

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

### Do Device Monitor & Diagnostics + or HackCheck have ads?

HackCheck shows ads; Device Monitor & Diagnostics + does not.

### Which is updated more often, Device Monitor & Diagnostics + or HackCheck?

Device Monitor & Diagnostics + ships an update monthly, and HackCheck every 3 days. Most recently, Device Monitor & Diagnostics + was updated on November 5, 2026 and HackCheck 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.*