Comparison

SEC Calculator vs Fax Air

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

SEC Calculator

This tool assists businesses in assessing energy usage and cost reduction through equipment improvements or new system investments. It calculates potential annual savings and CO2 emission reductions, benchmarks sites against best practices, and generates a personalized PDF report.

Highlights
  • Energy usage assessment
  • Cost reduction calculation
  • CO2 emission reduction tracking
  • Site benchmarking
  • Personalized PDF reports
Features
Read full description

Output from this app helps TCS&D businesses carry out an initial assessment of how improvements to existing equipment or investment in new systems can reduce energy usage and cut running costs. Users enter their plant details and are given a calculation of how much money they can save over a year along with a reduction of CO2 from their output. Their site is benchmarked against best practice and they recieve a personal report in PDF form.

About

Fax Air

Easily send documents via fax directly from your mobile device. Scan papers with your camera or upload existing files, add professional cover pages, and track your fax history. Keep your important documents organized and delivered securely.

Highlights
  • Scan documents with camera
  • Upload files from device
  • Combine multiple documents
  • Add custom cover pages
  • Track fax history
  • Send faxes from iPhone/iPad
Features
Read full description

Fax Air eliminates the need for traditional fax machines by simply scanning, attaching, and sending any type of document. Track your fax history, view and edit files: Add custom cover pages to ensure your documents are always sent securely and with top quality. Key Features: โ–ถ Send faxes quickly from your iPhone or iPad โ–ถ Scan documents using your camera or upload from your device โ–ถ Preview and combine multiple documents into a single fax โ–ถ Attach cover pages for a professional look โ–ถ Track and manage your fax history Download now and enjoy fast, secure, and easy faxing. Fax Air keeps you productive, organized, and efficient, ensuring your important documents are always delivered in top quality, no matter where you are. Take your experience to the next level with Air Apps One, your ultimate subscription. Subscription to this single app gives you automatic access, at no extra cost, to Air Apps One, and 30+ incredible apps bundled into one effortless subscription for the price of one, at just $9.99/month. It's just one click and one subscription! Simplify your life with seamless access to tools for productivity, learning, fitness, and creativity - including favorites like Translate Now, Scanner Air, and Water Tracker. Whether you're tracking calories or managing your to-do list, Air Apps One is designed to seamlessly integrate into your daily routine. Subscribe now to unlock a curated selection of top-notch apps, exclusive discounts, and a hassle-free experience โ€“ making your life easier and more efficient. Choose from different subscription options. Our standard subscription options are: 1-week Subscription - USD4.99 1-month Subscription - USD9.99 1-year Subscription - USD69.99 -------- Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. Subscription with a free trial period will automatically renew to a paid subscription. You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of each current subscription period. The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service. Any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period. If you live in the European Union and wish to cancel your order, you may do so within 14 days. You can do this by following the process laid out in the Apple App Store. Please note and acknowledge: you cannot cancel your order or obtain a refund if you have downloaded the app and started using it (i.e. for example, by opening and using the app). Connect with us through: Web: https://airapps.co Linkedin: https://www.linkedin.com/company/airapps Instagram: https://www.instagram.com/airappsco Facebook: https://www.facebook.com/airappsco Privacy Policy: https://airapps.co/privacy Terms Of Use: https://airapps.co/terms Support: Contact us at support@airapps.co

Screenshots

SEC Calculator4 screens
Fax Air4 screens

Verdict

The call

The clearest difference is in-app purchases: SEC Calculator at none against Fax Air's 10. SEC Calculator also leads on iOS requirement (11.0 vs 15.6). Fax Air's advantage is update cadence (monthly vs every 27 months). On price, review sentiment, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Fax Air sells 10 in-app purchases, starting at $3.99 per 7 days. SEC Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

SEC Calculator ships an update every 27 months, Fax Air monthly. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

Scorecard4 real differences ยท 4 level
SEC Calculator versus Fax Air: the parameters behind the verdict, then further details
ParameterSEC CalculatorFax Air
PriceFreeFree
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyEvery 27 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
MonetizationFree โ€” betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 โ€” better15.6
Further details โ€” not scored
Size32 MB120 MB
Age rating4+4+
DeveloperStar Refrigeration LtdAir Apps Systems

Customer experience

SEC Calculator

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Fax Air

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SEC Calculator

No in-app purchases

10 purchases

Fax Air

Subscriptions10
  • Air Apps One - 1 Week3 Days trial$3.997 Days
  • Air Apps One3 Days trial$4.997 Days
  • Air Apps One - 1 Week$4.997 Days
Show 7 more
  • Air Apps One - 1 Week3 Days trial$4.997 Days
  • Air Apps One Welcome - 1 Week3 Days trial$4.997 Days
  • Air Apps One - 1 Week3 Days trial$5.997 Days
  • Air Apps One3 Days trial$9.991 Month
  • Air Apps One - 1 Month7 Days trial$19.991 Month
  • Air Apps One3 Days trial$69.991 Year
  • Air Apps One - 1 Month7 Days trial$199.991 Month

Questions

Is SEC Calculator free?
SEC Calculator is free to download, with no in-app purchases.
Is Fax Air free?
Fax Air is free to download, with in-app purchases available.
Do SEC Calculator or Fax Air have ads?
Neither SEC Calculator nor Fax Air shows ads.
Which is updated more often, SEC Calculator or Fax Air?
SEC Calculator ships an update every 27 months, and Fax Air monthly. Most recently, SEC Calculator was updated on November 3, 2026 and Fax Air on November 6, 2026.

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