Dreadnought Tachymeter vs ShieldQR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dreadnought Tachymeter
This minimalist stopwatch instantly converts elapsed time into your rate per hour. Track laps, tasks, or any unit of time without manual calculations. Ideal for runners, cyclists, and productivity tracking.
- Instant pace conversion
- Minimalist design
- No accounts or setup required
- Track any unit of time
- Ideal for running, cycling, and productivity
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A stopwatch that shows what your time actually means. Dreadnought is a minimalist tachymeter stopwatch that converts elapsed time into pace instantly. Time one unit — a mile, a task, a lap, or a rep — and see your rate per hour without doing any math. How it works • Start timing when a unit begins • Stop when it finishes • Your pace appears instantly Perfect for • Running and cycling pace • Work and productivity timing • Workouts and training • Creative workflows • Everyday timing Designed to stay simple No accounts. No setup. No clutter. Just start, stop, and understand your pace.
ShieldQR
Create custom QR safety tags for loved ones and valuables. If an emergency occurs, scanners can contact you or emergency services instantly without revealing your personal phone number. Offers real-time alerts and location sharing.
- Privacy-masked calls
- SMS and WhatsApp messaging
- Location sharing
- Real-time scan notifications
- Custom QR sticker designer
- Emergency services access
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ShieldQR keeps your children, elderly parents, pets and valuables protected with smart QR safety tags. If something goes wrong, help arrives faster — without sharing your phone number. HOW IT WORKS Create a safety profile for a family member, child, elderly parent, pet, or valuable item. Design and print a custom QR sticker — choose from circles, tags, banners, shields and more. Attach the sticker to a passport, luggage, pet collar, backpack, walker, car or any belonging. When someone scans the QR code, they instantly see emergency contact options — no app download needed to scan. PERFECT FOR • Parents — tag your child's school bag, backpack or jacket • Families — keep elderly parents or grandparents reachable at all times • Pet owners — tag your pet's collar so anyone who finds them can reach you instantly • Travellers — tag luggage, passports and travel bags • Everyone — tag your car, keys, wallet or any valuable item FEATURES • Privacy-Masked Calls — scanners can call you without ever seeing your real phone number • SMS and WhatsApp Messaging — receive instant messages from anyone who finds your tag • Location Sharing — scanners can share their GPS location so you know exactly where your item or loved one is • Real-time scan notifications — get alerted the moment your tag is scanned • Custom Sticker Designer — design QR stickers in multiple formats including circle, tag, banner, shield and square • Multiple Tag Types — passport, luggage, child, senior, pet and valuable item tags • Emergency Services — one-tap access to Police and Ambulance for the scanner • Works with any phone camera — no app install required to scan SAFETY+ SUBSCRIPTION Upgrade to Safety+ to unlock full protection for your whole family: • Privacy-masked calling — your number stays completely hidden • Unlimited safety tags for your whole family • Real-time scan alerts • Priority support Cancel anytime. Terms of Use (EULA): https://getshieldqr.com/terms Privacy Policy: https://getshieldqr.com/privacy Built by Lyra Logic LLC. Your data stays private — we never sell or share your personal information.
Screenshots
Verdict
The clearest difference is rating: Dreadnought Tachymeter at 5.0 against ShieldQR's 4.0. Dreadnought Tachymeter also leads on in-app purchases (none vs 2) and update cadence (every 4 days vs every 3 weeks). On price, ads, device support 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
Both are free to download. ShieldQR sells 2 in-app purchases, starting at $9.99 per month. Dreadnought Tachymeter asks for nothing beyond the download.
Dreadnought Tachymeter holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Dreadnought Tachymeter ships an update every 4 days, ShieldQR every 3 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | Dreadnought Tachymeter | ShieldQR |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | AARON L SHURTLEFF | Lyra Logic LLC |
Customer experience
Dreadnought Tachymeter
ShieldQR
In-app purchases
Dreadnought Tachymeter
No in-app purchases
ShieldQR
- Safety+ Monthly1 Month trial$9.991 Month
- Usage Refill$12.99
Questions
Is Dreadnought Tachymeter free?
Is ShieldQR free?
Which has better reviews, Dreadnought Tachymeter or ShieldQR?
Do Dreadnought Tachymeter or ShieldQR have ads?
Which is updated more often, Dreadnought Tachymeter or ShieldQR?
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