# SmartGrade Secure vs DoxBox

The clearest difference is iOS requirement: SmartGrade Secure at 13.0 against DoxBox's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SmartGrade Secure | DoxBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/smartgrade-secure/id1462392632/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 17 MB | 62 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IoTech Verticals](https://appshunter.io/developer/1462392631) | [DOXBOX LTD](https://appshunter.io/developer/1855595640) |

## What reviewers say

### SmartGrade Secure

[App page](https://appshunter.io/ios/app/smartgrade-secure/id1462392632)

Control all your smart home devices remotely with this secure application. Monitor usage, set timers, and optimize energy consumption for your home or business. Manage lighting, appliances, and even your main electrical panel with ease.

**Highlights:** Remote device control, Usage monitoring, Customizable timers, Precise energy consumption feedback, Control over various electrical units, Centralized home management

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

**In-app purchases:** none


### DoxBox

[App page](https://appshunter.io/ios/app/doxbox-expense-and-receipt-app/id6755690666)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartGrade Secure free?

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

### Is DoxBox free?

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

### Do SmartGrade Secure or DoxBox have ads?

Neither SmartGrade Secure nor DoxBox shows ads.

### Which is updated more often, SmartGrade Secure or DoxBox?

SmartGrade Secure ships an update every 2 months, and DoxBox every 2 months. Most recently, SmartGrade Secure was updated on October 15, 2026 and DoxBox on October 25, 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.*