Comparison

Plus & Minus Percent vs QR reader

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

Head to head
About

Plus & Minus Percent

Easily calculate amounts with added or included percentages, such as taxes, rates, or discounts. Prepare and save custom percentage lists for quick calculations. Sync your lists across devices using iCloud.

Highlights
  • Calculate added and included amounts simultaneously
  • Store custom lists of percentages with names and types
  • Automatic calculation from clipboard content
  • Unlimited storage for percentage lists
  • iCloud synchronization for percentage lists
Read full description

If you need to periodically count the amounts taking into account interest and these percentages are unchanged, then this application will be useful to you. Just enter a number and immediately get both the added amount and the amount taking into account this amount, as well as the amount of the reverse interest. Prepare a list of your percentages (taxes, rates, margins, discounts) in advance. Add a name, a percentage value, and a type to them - you need to add it to the amount or it is already included. When you need to find out the amounts according to the bids, select the desired percentage and enter the amount. Opportunities: - shows the results at the same time, the added amounts and the included - determines whether there is a number in the clipboard and immediately performs calculations with it, you can calculate it on a calculator, copy the result, then open this application and get all the calculations at once. - stores a list of percentages, names, rates and type - without restrictions - uses iCloud to sync the list of percentages

About

QR reader

Features
Read full description

QR reader is fast and reliable QR and barcode scanner app that can copy the read code to the clipboard as plain text so it can be pasted anywhere else or to open the code in internet browser. If the scanned QR code is a web address it will be opened in browser directly - if not or it is other barcode type it will be opened in search. QR reader features: - Copy code to clipboard - Open code in browser - supports: QR, EAN13, EAN8, UPCA, UPCE, Code39, Code128, Interleaved 2 of 5 - no ads The app is made using Scangine SDK for scanning QR and barcodes. The app is limited to 5 Copy / Paste operations per day and that limit can be removed with one time in-app purchase.

Screenshots

Plus & Minus Percent3 screens
QR reader3 screens

Verdict

The call

The clearest difference is in-app purchases: Plus & Minus Percent at none against QR reader's 1. QR reader's advantage is iOS requirement (10.0 vs 12.0). On price, update cadence, 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

Plus & Minus Percent costs $0.99 and QR reader $0.99 up front. QR reader sells 1 one-off in-app purchase. Plus & Minus Percent asks for nothing beyond the download.

UpkeepUpdate frequency

Plus & Minus Percent ships an update every 30 months, QR reader every 38 months. Both last shipped on October 26, 2026.

Scorecard2 real differences ยท 6 level
Plus & Minus Percent versus QR reader: the parameters behind the verdict, then further details
ParameterPlus & Minus PercentQR reader
Price$0.99$0.99
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 30 months โ€” betterEvery 38 months
AdsNoNo
In-app purchasesNo โ€” betterYes
MonetizationPaidโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS12.010.0 โ€” better
Further details โ€” not scored
Size1 MB10 MB
Age rating4+4+
DeveloperEvgeny TurchaninovAleksandar Mlazev

In-app purchases

None

Plus & Minus Percent

No in-app purchases

1 purchases

QR reader

One-time1
  • QR reader - unlock$1.99

Questions

Is Plus & Minus Percent free?
Plus & Minus Percent costs $0.99, with no in-app purchases.
Is QR reader free?
QR reader costs $0.99, and also offers in-app purchases.
Do Plus & Minus Percent or QR reader have ads?
Neither Plus & Minus Percent nor QR reader shows ads.
Which is updated more often, Plus & Minus Percent or QR reader?
Plus & Minus Percent ships an update every 30 months, and QR reader every 38 months. Most recently, Plus & Minus Percent was updated on October 26, 2026 and QR reader on October 26, 2026.

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