# Date & Time Calculator + vs SD Inclinometer

The clearest difference is price: SD Inclinometer at Free against Date & Time Calculator +'s $0.99. Date & Time Calculator +'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

SD Inclinometer is free to download; Date & Time Calculator + costs $0.99 up front. SD Inclinometer sells 1 one-off in-app purchase. Date & Time Calculator + asks for nothing beyond the download.

Date & Time Calculator + ships an update every 3 weeks, SD Inclinometer every 2 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Date & Time Calculator + | SD Inclinometer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (112 ratings)](https://appshunter.io/ios/app/date-and-time-calculator-plus/id1606610480/reviews)** | — |
| Number of ratings | **112** | — |
| Positive reviews | 56.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 2 MB | 28 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Supagarn Pattananuchart](https://appshunter.io/developer/1488328374) | [SD Enerji](https://appshunter.io/developer/1896709634) |

## What reviewers say

### Date & Time Calculator +

[App page](https://appshunter.io/ios/app/date-and-time-calculator-plus/id1606610480)

Calculate the precise duration between any two dates and times, including seconds. Ideal for tracking personal milestones, workdays, or any time-sensitive event. Supports multiple time formats and time zones.

**Highlights:** Calculate duration between two dates, Include minutes and seconds in calculations, Add or subtract time from specific days, Support for 12-hour and 24-hour formats, Calculate duration across different time zones, Export and share calculation results

**Features:** macOS Compatibility

**In-app purchases:** none


### SD Inclinometer

[App page](https://appshunter.io/ios/app/sd-inclinometer/id6777238743)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Date & Time Calculator + free?

Date & Time Calculator + costs $0.99, with no in-app purchases.

### Is SD Inclinometer free?

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

### Do Date & Time Calculator + or SD Inclinometer have ads?

SD Inclinometer shows ads; Date & Time Calculator + does not.

### Which is updated more often, Date & Time Calculator + or SD Inclinometer?

Date & Time Calculator + ships an update every 3 weeks, and SD Inclinometer every 2 months. Most recently, Date & Time Calculator + was updated on October 24, 2026 and SD Inclinometer on October 28, 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.*