Comparison

Guard Viewer vs Retail Math/Pricing Calculator

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

Head to head
About

Guard Viewer

Access and manage your surveillance products remotely. View live or recorded video from network cameras and NVRs, receive alarms, and control cloud devices directly from your mobile phone.

Highlights
  • Remote surveillance access
  • Live video streaming
  • Recorded video playback
  • Alarm notifications
  • Cloud device management
Read full description

Guard Viewer is a mobile surveillance client app. With this app you can access surveillance products(Network Cameras,Network Speed Domes,NVRs) through network and view live or recorded video, receive alarms and manage cloud devices using your mobile phone.

About

Retail Math/Pricing Calculator

This app provides instant, accurate calculations for retail pricing, including gross margin, markup, target cost, and break-even analysis. It eliminates the need for spreadsheets and manual calculations, offering a clean, fast, and offline experience for business professionals.

Highlights
  • Gross Margin calculation
  • Markup Calculator
  • Target Cost determination
  • Retail Price Setter
  • Markdown & Sale Pricing
  • Break-Even Analysis
  • Offline functionality
Features
Read full description

Retail Math Calculator is the go-to tool for anyone who buys, prices, or sells products. Stop fumbling with spreadsheets and mental math — get instant, accurate answers for the calculations you do every single day. WHETHER YOU'RE A RETAIL BUYER, STORE OWNER, OR MERCHANDISER, THIS APP HAS YOU COVERED: GROSS MARGIN Enter your cost and retail price and instantly see your gross margin %, margin dollars, and equivalent markup %. Know exactly how profitable every product is before it hits the shelf. MARKUP CALCULATOR Start from your cost and a markup percentage to land on the right retail price. Includes your resulting gross margin so you always know both sides of the equation. TARGET COST Working backward from a retail price? Enter your target margin and see the maximum you can pay for a product and still hit your number. Essential for sourcing and vendor negotiations. RETAIL PRICE SETTER Know your cost and the margin you need to hit? This calculator gives you the exact retail price to charge — plus the equivalent markup percentage. MARKDOWN & SALE PRICING Calculate sale prices from any markdown percentage. See exactly how much the customer saves, and optionally enter your cost to see what your new margin looks like after the promotion. BREAK-EVEN ANALYSIS Enter your fixed costs, selling price, and variable cost per unit to find out exactly how many units you need to move to break even — plus your contribution margin and CM ratio. CLEAN & FAST - No ads, no subscriptions, no fluff - Works entirely offline - Large, easy-to-read results with comma-formatted numbers - Built-in formula reference on every screen so you always know the math behind the answer PERFECT FOR: - Retail buyers and planners - E-commerce and DTC brand owners - Small business owners and entrepreneurs - Merchandisers and category managers - Wholesale and import businesses - Students studying retail or business math

Screenshots

Guard Viewer3 screens
Retail Math/Pricing Calculator4 screens

Verdict

The call

The clearest difference is rating: Retail Math/Pricing Calculator at 5.0 against Guard Viewer's 2.8. Guard Viewer's advantage is ratings volume (261 vs 1) and update cadence (every 4 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Retail Math/Pricing Calculator holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: Guard Viewer has 261 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Guard Viewer ships an update every 4 weeks, Retail Math/Pricing Calculator every 2 months. The most recent releases landed on November 1, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
Guard Viewer versus Retail Math/Pricing Calculator: the parameters behind the verdict, then further details
ParameterGuard ViewerRetail Math/Pricing Calculator
PriceFreeFree
Rating2.8 (261 ratings)5.0 (1 ratings) — better
Positive reviews24.4% of reviews—
Number of ratings261 — better1
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.0
Further details — not scored
Size102 MB2 MB
Age rating4+4+
DeveloperKeyLife International Technology LimitedAllen Gaiownik

Customer experience

Guard Viewer

All ratings216 ratings
Positive40.7%
Neutral6.0%
Negative53.2%
Written reviews176 reviews
Positive24.4%
Neutral11.4%
Negative64.2%

Retail Math/Pricing Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Guard Viewer

Reported bugs

4 issues
  • Login issues after recent update
  • Inability to delete user accounts
  • Time sync problems between app and NVR
  • Inconsistent camera detection

Requested features

4 requests
  • Add support for Apple TV
  • Improve notification system
  • Introduce bulk management of cameras
  • Provide more customization options

Retail Math/Pricing Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Guard Viewer

No in-app purchases

None

Retail Math/Pricing Calculator

No in-app purchases

Questions

Is Guard Viewer free?
Guard Viewer is free to download, with no in-app purchases.
Is Retail Math/Pricing Calculator free?
Retail Math/Pricing Calculator is free to download, with no in-app purchases.
Which has better reviews, Guard Viewer or Retail Math/Pricing Calculator?
Retail Math/Pricing Calculator is rated higher. Guard Viewer averages 2.8 out of 5 from 261 ratings, while Retail Math/Pricing Calculator averages 5.0 from 1 ratings.
Do Guard Viewer or Retail Math/Pricing Calculator have ads?
Neither Guard Viewer nor Retail Math/Pricing Calculator shows ads.
Which is updated more often, Guard Viewer or Retail Math/Pricing Calculator?
Guard Viewer ships an update every 4 weeks, and Retail Math/Pricing Calculator every 2 months. Most recently, Guard Viewer was updated on November 1, 2026 and Retail Math/Pricing Calculator on October 5, 2026.

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