# Date and Time Calculator Pro vs Only QR Code

The clearest difference is chart position: Date and Time Calculator Pro at #108 against Only QR Code's unranked. Date and Time Calculator Pro also leads on device support. On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Date and Time Calculator Pro costs $0.99 and Only QR Code $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Date and Time Calculator Pro ships an update every 5 weeks, Only QR Code every 6 weeks. The most recent releases landed on October 17, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Date and Time Calculator Pro | Only QR Code |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[4.8 (947 ratings)](https://appshunter.io/ios/app/date-and-time-calculator-pro/id582268389/reviews)** | — |
| Number of ratings | **947** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Best chart rank | **#108** | — |
| Size | 3 MB | 4 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [山 钟](https://appshunter.io/developer/1289109809) | [Tyler Mecham](https://appshunter.io/developer/823968889) |

## What reviewers say

### Date and Time Calculator Pro

[App page](https://appshunter.io/ios/app/date-and-time-calculator-pro/id582268389)

**Currently charting:** #108 Top Paid · Utilities (US App Store)

Calculate the precise time difference between any two dates and times, down to the second.  Easily determine future or past dates based on a specified duration. Ideal for tracking events, financial periods, or personal milestones.

**Highlights:** Calculate time distance between dates, Calculate days after a specific date, Calculate date before a specific date, Second-level precision, Period time calculation

**In-app purchases:** none

**What reviewers like**

- 👍 Extremely useful
- 👍 Great app
- 👍 Excellent tool
- 👍 Useful
- 👍 Perfect app

**What reviewers complain about**

- 🐛 Ads even after buying
- 🐛 Paid for app but still has ads
- 🐛 Pro version has ads
- 🐛 Can't reinstall my purchased app

**Reported bugs**

- Paid version has lost the ability to calculate future dates based on weeks
- Date selection uses a scroll wheel instead of keypad entry
- Unable to copy or share calculation results

**Requested features**

- Add ability to change year for date time calculation
- Implement dark mode
- Add iPad version
- Add divide option in time calculator
- Add ability to calculate working days


### Only QR Code

[App page](https://appshunter.io/ios/app/only-qr-code/id6759870114)

**In-app purchases:** none


## Frequently asked questions

### Is Date and Time Calculator Pro free?

Date and Time Calculator Pro costs $0.99, with no in-app purchases.

### Is Only QR Code free?

Only QR Code costs $0.99, with no in-app purchases.

### Which is updated more often, Date and Time Calculator Pro or Only QR Code?

Date and Time Calculator Pro ships an update every 5 weeks, and Only QR Code every 6 weeks. Most recently, Date and Time Calculator Pro was updated on October 17, 2026 and Only QR Code on September 7, 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.*