Authenticator App 2FA OTP Auth vs Cementing Engineer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Authenticator App 2FA OTP Auth
Secure your online accounts with an extra layer of protection. This app generates and stores two-factor authentication codes directly on your device, ensuring your information stays safe from unauthorized access. It offers easy setup, encrypted backups, and offline code generation for continuous security.
- Secure and encrypted token storage
- Automatic iCloud sync and backup
- Encrypted backup for recovery
- Easy account setup via QR codes or manual entry
- Custom and service icons for recognition
- Offline code generation
- Face ID & Touch ID security
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Authenticator – Secure Your Accounts with 2FA Authenticator securely stores and generates two-factor authentication (2FA) codes for your online accounts directly on your device. It adds an extra layer of protection, making it easy to keep hackers out and your information safe. Why Authenticator? Authenticator helps you safeguard all your accounts by providing fast, reliable, and secure 2FA codes. Key Features: Secure & Encrypted • Your tokens are safely stored and encrypted even when synced with iCloud. Sync & Backup • Automatic iCloud sync keeps your accounts safe and accessible across all devices. Encrypted Backup • Create encrypted backups for safe recovery if you switch or lose your device. Easy Account Setup • Add accounts by scanning QR codes, entering details manually, or importing from images and files. Custom Icons • Personalize your 2FA codes with custom or system icons for quick recognition. The app also automatically detects and applies service icons (favicons). Offline Two-Factor Authentication • Generate secure codes even when offline or in airplane mode, ensuring continuous protection for your accounts. Easy Import & Export • Transfer your accounts securely with our built-in import/export tool. Face ID & Touch ID Security • Use your fingerprint or face to unlock and generate 2FA codes instantly. All Popular Services – Manually tested with 10,000+ services, including: Google, Facebook, Instagram, TikTok, Binance, PayPal, Discord, Roblox, Coinbase, Tesla, Twitter (X), Epic Games, PlayStation, Microsoft, LinkedIn, Amazon, Dropbox, eBay, Snapchat, Pinterest, Reddit, Yahoo, Shopify, Slack, Zoom, Airbnb, Uber, and many more! Subscription Details Payment will be charged to your iTunes Account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage auto-renewal in your App Store settings. Links Terms of Use: https://ewregu.com/terms-of-use-authenticator/ Privacy Policy: https://ewregu.com/privacy-policy-authenticator/
Cementing Engineer
This app is a field calculator for oilfield cementing operations. It allows users to input wellbore geometry and slurry details to get live, updated calculations for volumes, pressures, and pump schedules. The app also features a live well schematic and a tally book for saving and recalling job details.
- Field calculator for oilfield cementing
- Live, updating calculations for volumes and pressures
- Wellbore geometry and slurry stack input
- Derived results with detailed math
- Live well schematic
- Tally Book for saving and recalling jobs
- Offline functionality
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Cementing Engineer is a field calculator for oilfield cementing operations, built by a cementer for cementers. The app requires an auto-renewable in-app subscription after the 7-day free trial to access the calculator, Tally Book, saved jobs, schematics, and derived cementing results. Pick the job - conductor, surface, intermediate, production, two-stage, drilling or production liner, balanced plug, kick-off plug, plug & abandon, or Bradenhead squeeze - enter the wellbore geometry and slurry stack, and every number updates live as you type. DERIVED RESULTS, SHOWN WITH THE MATH - Annular, shoe track, and displacement volumes with the capacity factors behind each number - Fluid placement tops and returns at surface - Volume calculations by slurry with sacks and totals - Pump schedule with rates and durations - Thickening time requirements - Hydrostatic, differential, lift, and bump pressures with burst limits - Mix water and total water requirements LIVE WELL SCHEMATIC A measured-depth schematic of casing, open hole, and fluid placement that redraws as the design changes, including two-stage and liner jobs. TALLY BOOK Save any job to the Tally Book: a browsable log of every well with its full design, well information, schematic, and complete derived results. Reopen any saved job straight into the calculator. WORKS IN THE FIELD Calculations run on the device, so the math works with no signal at the wellsite. Sign in with Apple or Google to keep your Tally Book synced across your devices. SUBSCRIPTION REQUIRED AFTER TRIAL Start with a 7-day free trial. After the trial, Apple automatically bills the selected plan unless canceled before renewal: $9.99/month or $79.99/year. Cancel anytime in your App Store account settings. Terms of Use: https://cement-phone-calculator.pages.dev/terms Privacy Policy: https://cement-phone-calculator.pages.dev/privacy Field estimate only - verify final volumes, pressures, and regulatory requirements before pumping.
Screenshots
Verdict
The clearest difference is monetization model: Authenticator App 2FA OTP Auth at free with in-app purchases against Cementing Engineer's subscription. Cementing Engineer's advantage is ratings volume (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and ads 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. Authenticator App 2FA OTP Auth sells 3 in-app purchases, starting at $4.99 per 7 days and Cementing Engineer sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Authenticator App 2FA OTP Auth against 5.0 for Cementing Engineer. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
| Parameter | Authenticator App 2FA OTP Auth | Cementing Engineer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Ewregu | Rondo Wright |
Customer experience
Authenticator App 2FA OTP Auth
Cementing Engineer
In-app purchases
Authenticator App 2FA OTP Auth
- Weekly Plan3 Days trial$4.997 Days
- Monthly Plan3 Days trial$9.991 Month
- Yearly Plan3 Days trial$49.991 Year
Cementing Engineer
- Pro Monthly7 Days trial$9.991 Month
- Pro Annual7 Days trial$79.991 Year
Questions
Is Authenticator App 2FA OTP Auth free?
Is Cementing Engineer free?
Which has better reviews, Authenticator App 2FA OTP Auth or Cementing Engineer?
Do Authenticator App 2FA OTP Auth or Cementing Engineer have ads?
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