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.
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.
- 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
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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
QR reader
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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
Verdict
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
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.
Plus & Minus Percent ships an update every 30 months, QR reader every 38 months. Both last shipped on October 26, 2026.
| Parameter | Plus & Minus Percent | QR reader |
|---|---|---|
| Price | $0.99 | $0.99 |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Every 30 months โ better | Every 38 months |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | Paid | โ |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 12.0 | 10.0 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Evgeny Turchaninov | Aleksandar Mlazev |
In-app purchases
Plus & Minus Percent
No in-app purchases
QR reader
- QR reader - unlock$1.99





