# Smart Tools Pro HD vs Date Calculator, Days Calc

The clearest difference is review sentiment: Date Calculator, Days Calc at 60% against Smart Tools Pro HD's 0%. Date Calculator, Days Calc also leads on price (Free vs $0.99) and rating (4.5 vs 1.0). Smart Tools Pro HD's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Date Calculator, Days Calc is free to download; Smart Tools Pro HD costs $0.99 up front. Date Calculator, Days Calc sells 1 one-off in-app purchase. Smart Tools Pro HD asks for nothing beyond the download.

Date Calculator, Days Calc holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Date Calculator, Days Calc has 131 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Smart Tools Pro HD's written reviews are positive against 60% of Date Calculator, Days Calc's.

Smart Tools Pro HD ships an update every 9 months, Date Calculator, Days Calc every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Smart Tools Pro HD | Date Calculator, Days Calc |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/smart-tools-pro-hd/id764668765/reviews) | **[4.5 (131 ratings)](https://appshunter.io/ios/app/date-calculator-days-calc/id1582411955/reviews)** |
| Number of ratings | 1 | **131** |
| Positive reviews | 0.0% of reviews | **60.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 1 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shajir Kalady](https://appshunter.io/developer/1673992247) | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) |

## What reviewers say

### Smart Tools Pro HD

[App page](https://appshunter.io/ios/app/smart-tools-pro-hd/id764668765)

This app transforms your iPad into a comprehensive toolkit with over 30 measurement and utility functions. It offers tools like rulers, protractors, speedometers, flashlights, and QR code scanners, catering to various professional and personal needs.

**Highlights:** Ruler and protractor for precise measurements, AR-based distance and height measurement, Real-time speedometer with HUD mode, Flashlight with adjustable brightness, Digital compass with GPS integration, QR code scanner and generator, Spirit level with surface and edge modes

**Features:** macOS Compatibility

**In-app purchases:** none


### Date Calculator, Days Calc

[App page](https://appshunter.io/ios/app/date-calculator-days-calc/id1582411955)

Easily solve date math problems with multiple calculation options. This intuitive app helps you find the difference between dates, add or subtract days, and calculate workdays. It's simple and user-friendly for all your date-related needs.

**Highlights:** Days Between Two Dates, Add to/Subtract from a Date, Workdays Calculator, Add/Subtract Workdays, Intuitive and Simple Interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $3.99 | one-time |


## Frequently asked questions

### Is Smart Tools Pro HD free?

Smart Tools Pro HD costs $0.99, with no in-app purchases.

### Is Date Calculator, Days Calc free?

Date Calculator, Days Calc is free to download, with in-app purchases available.

### Which has better reviews, Smart Tools Pro HD or Date Calculator, Days Calc?

Date Calculator, Days Calc is rated higher. Smart Tools Pro HD averages 1.0 out of 5 from 1 ratings, while Date Calculator, Days Calc averages 4.5 from 131 ratings.

### Do Smart Tools Pro HD or Date Calculator, Days Calc have ads?

Neither Smart Tools Pro HD nor Date Calculator, Days Calc shows ads.

### Which is updated more often, Smart Tools Pro HD or Date Calculator, Days Calc?

Smart Tools Pro HD ships an update every 9 months, and Date Calculator, Days Calc every 4 months. Most recently, Smart Tools Pro HD was updated on November 1, 2026 and Date Calculator, Days Calc on November 3, 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.*