Date and Time Calculator Pro vs Only QR Code
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Date and Time Calculator Pro
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.
- Calculate time distance between dates
- Calculate days after a specific date
- Calculate date before a specific date
- Second-level precision
- Period time calculation
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Want to know how many days you can receive the Christmas gift? Want to know how many days you will have the college entrance exam?Want to know how many days the 158-day wealth management product expired? This tool helps you to calculate the distance between any time, down to second. It can also calculate the day after that day between any time. This tool is not only for wealth management but also for period time. It can tell you the date before or after a certain period.
Only QR Code
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Only QR Code does one thing and does it well: generate QR codes. No tracking. No ads. No account. No internet required. Just open the app, type your text or URL, and get a QR code instantly. FEATURES: - Generate QR codes from any text, URL, email, phone number, or Wi-Fi credentials - Customize QR code size from 128px to 512px - Choose custom foreground and background colors - Adjust error correction level (L, M, Q, H) for more or less data redundancy - Save QR codes as high-quality PNG images - Share directly to Messages, Mail, AirDrop, or any other app PRIVACY FIRST: - No analytics or tracking of any kind - No ads, ever - No account or sign-up required - No internet connection needed - No data leaves your device - Open source: https://github.com/TylerStacie2005/only-qrcode Only QR Code is free, fast, and respects your privacy. That's it.
Screenshots
Verdict
The clearest difference is chart position: Date and Time Calculator Pro at #64 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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 14, 2026 and September 7, 2026 respectively.
| Parameter | Date and Time Calculator Pro | Only QR Code |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 4.8 (947 ratings) — better | — |
| Positive reviews | 88.9% of reviews | — |
| Number of ratings | 947 — better | — |
| Update frequency | Every 5 weeks — better | Every 6 weeks |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #64 — better | — |
| Devices | iPhone, iPod — better | — |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 山 钟 | Tyler Mecham |
Bugs and requests
Date and Time Calculator Pro
Reported bugs
3 issues- 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
5 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Date and Time Calculator Pro
No in-app purchases
Only QR Code
No in-app purchases
Questions
Is Date and Time Calculator Pro free?
Is Only QR Code free?
Which is updated more often, Date and Time Calculator Pro or Only QR Code?
Other comparisons
