Comparison

Calc Cloud vs ZMG

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

Head to head
About

Calc Cloud

This app stores and syncs your calculation histories across all your devices using cloud storage. It's useful for everyday calculations, invoicing, and tax preparation, with options to edit, comment, and export your tapes.

Highlights
  • Cloud sync across devices
  • Editable paper tape history
  • Export to PDF, Email, Dropbox
  • Invoicing and tax calculation
  • Comment on lines
  • Undo/Redo functionality
Features
Read full description

Calc Cloud stores paper tape histories in Apple’s iCloud Drive® online services for use by any of your devices. Enter tabulations on your iPad® at work, and see them at home on your iPhone® that evening! Files are never lost even if you upgrade or lose your mobile device. It is also perfect for everyday use. Use it for adding columns of numbers, invoicing, point-of-sale receipts, income taxes, percentages, and much more. Print the paper tape history or export to iBooks®, DropBox®, Email or Printer (see the FAQs). Review & edit numbers, add or delete lines and place comments on any lline. The iPad version features a full sized (1:1) keypad with TypeTone, a unique audio aid to help guide your finger back to the center of a key. This free download has limited lines of paper tape history, limited disk storage, and banner ads. Use one simple In-App Purchase for more lines of paper tape, storage files and the removal of banner ads. ========== CPA's and Accountants: Please find 'Adding Machine: 10 Key Calc Universal' by Richard Silverman in the App Store which is a 10-key compliant adding machine with reverse numeric/operator entry like Casio, Sharp or Canon. Recent Press for our 'Accountant' series of calculator apps: . Recently ranked in "Top 10 - Finance" in the App Store. . AppsWild.com: "Whether you're tracking your monthly budget, coming up with an estimate of costs for a project you're working on....this App should be your first choice." ========== About Calc Cloud: ======== . Never lose a paper tape history again!! Keep all your devices up to date with paper tape histories held in iCloud Drive® online services. . Universal App for iPhone & iPad devices . Freely chain + - x / % 1/x √ . Tax + / - keys for Point-of-Sale receipts . Print, email or export a PDF file to the iBooks® app, Dropbox(c) or your favorite printing utility. . Add comments . Add, delete and modify lines and recompute results automatically. . 350 lines of paper tape history (upgraded version) . Undo / Redo . Three display formats: fixed, fix+, float . Comprehensive set of help screens. . Realistic keypad sounds iPad Features: ======== . TypeTone(c) - a major innovation to aid accurate key entry using audio feedback. . Full size (1:1) realistic keyboard. . 4 Orientations . Lock keypad for left or right handed use iPhone Features: ======== . Multiple keypads . Select from 4 background colors . Set a paper tape font size ========== FAQs Q1. Can I touch-type? A1. The iPad version of this app. has several aids for touch-typing: TypeTone variable audio feedback, 1:1 scale keyboard, or, scale and reposition the keyboard to fit your hand best. There is also support for right and left-handers. Q2. How do I edit an incorrect number or add & delete lines from the paper tape? A2. Touch any line of the paper tape to go into edit mode. Touch the side controls: Add Line, Delete Line. You can also edit numbers, and split groups. Press Done to return to Calculator mode. Q3. Tell me about Email & Printing. A3. From the Export dialog, select: Email, Print, Copy or Open-In. Email includes a pdf attachment. Print to an AirPrint capable printer. Open-In will show a menu of 3rd party Apps that can receive a hardcopy of your paper tape (iBooks, DropBox, or 3rd party printer Apps (Brother, HP and more)). =========================== IN-APP PURCHASE: . Free download has a limited number of lines of paper tape . Upgrade for 350 lines of paper tape history, more file storage, & no ads IN-APP PURCHASE DETAILS . Payment will be charged to your iTunes account at confirmation of purchase. TERMS AND CONDITIONS Your use of this application is governed by Interlocken Technology's Terms of Use (http://s354819480.onlinehome.us/InterlockenPrivacyPolicy/Interlocken%20Technology%20Privacy%20Policy.pdf) and Privacy Policy (http://s354819480.onlinehome.us/InterlockenPrivacyPolicy/InterlockenTechnologyTermsOfUse.pdf)

About

ZMG

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The ZMG app connects Home Buyers & Realtors with Loan Officers to learn which home loan they can pre-qualify for when searching for a home to purchase. If a home buyer is pre-qualified, they can print an official Pre-Approval letter to use when placing an offer on a house. The ZMG app allows all 3 parties (home buyer, loan officer, real estate agent) to track the progress of the home loan application process as the Home Buyer meets the milestones and conditions required to get final approval. The App allows Home Buyer to: - Use our Mortgage Calculator to determine an exact monthly mortgage payment - Use the Mortgage Calculator to see if you are qualified for a loan amount - Use the Mortgage Calculator to see which home loan types you are eligible for - Print a Pre-Approval Letter to use when making an offer on a Home - Use the Milestones tool to track your Home Loan Application progress - Use the Conditions tool to submit items to your Loan Officer to meet your loan qualifications - Contact your Loan Officer or Realtor quickly and easily The App allows Realtors (for Buyers & Sellers) to: - Review your home buyer's financials - Use the Calculator to determine how much of a home they can afford before scheduling a showing - Use the Mortgage Calculator to see which home loan types they qualify for - Use the Milestones tool to track their Home Loan Application progress - Use the Conditions tool to track your client's progress - Contact the Loan Officer

Screenshots

Calc Cloud4 screens
ZMG4 screens

Verdict

The call

The clearest difference is in-app purchases: ZMG at none against Calc Cloud's 1. Calc Cloud's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (12.3 vs 15.0). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calc Cloud sells 1 one-off in-app purchase. ZMG asks for nothing beyond the download.

UpkeepUpdate frequency

Calc Cloud ships an update every 3 weeks, ZMG every 4 months. The most recent releases landed on August 26, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
Calc Cloud versus ZMG: the parameters behind the verdict, then further details
ParameterCalc CloudZMG
PriceFreeFree
Rating4.2 (17 ratings) — better—
Positive reviews72.7% of reviews—
Number of ratings17 — better—
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.3 — better15.0
Further details — not scored
Size26 MB6 MB
Age rating+417+
DeveloperRichard SilvermanPre-Approve Me LLC

In-app purchases

1 purchases

Calc Cloud

One-time1
  • Full Upgrade$3.99
None

ZMG

No in-app purchases

Questions

Is Calc Cloud free?
Calc Cloud is free to download, with in-app purchases available.
Is ZMG free?
ZMG is free to download, with no in-app purchases.
Do Calc Cloud or ZMG have ads?
Neither Calc Cloud nor ZMG shows ads.
Which is updated more often, Calc Cloud or ZMG?
Calc Cloud ships an update every 3 weeks, and ZMG every 4 months. Most recently, Calc Cloud was updated on August 26, 2026 and ZMG on September 21, 2026.

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