Password 4 Pro vs Simple Calculator. +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Password 4 Pro
Securely manage all your passwords and sensitive information with military-level encryption. This app offers local backups, a secure notebook, and the ability to store images like credit cards. It features biometric unlock and an anti-screenshot function for enhanced privacy.
- Local data backup
- Secure notebook
- Save image information
- Generate random passwords
- Biometric unlock
- Anti-screenshot
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******* Password Management Expert ******* Too many password to remember? Worried about the safety of your password? With Password 4, there are no more such problems! We do not store any password of users’. Instead, the password backup will be done by Documents App. In the first generation product, we have collected many feedbacks from users. And in Password 4, we have updated the interface and make a brand new password management tool. We have applied military-level encryption algorithm and nobody may crack the password for the database exported or the data backed up in Documents App. You only need to remember a simple 4 digit password. Functions: 1. The program itself will not connect to the internet while local back up is in operation. 2. Local data backup 3. Secure notebook to record private words 4. Save image information including password security card, credit cards, etc. 5. Customize categories 6. Generate random password automatically 7. Customize the format of classified information. Features: • Biometric Unlock • Backstage anti-screenshot • Optimized for iOS 17
Simple Calculator. +
This app offers a straightforward and dependable calculator for iPhone and iPad. It includes advanced features like tax calculation, cost/selling price/margin calculations, and memory operations. A free version is available to try before purchasing.
- 12-digit display
- Tax calculation
- Cost, selling price, and gross margin calculations
- Memory operations
- Grand total (GT)
- Percentage calculation
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Simple, reliable, and easy-to-use calculator app for iPhone/ iPad. If you would like to try out the calculator first, download the FREE version of the app from the developer profile. Calculator features:- * 12 digits * Tax calculation * Percentage (%) * Cost/ selling price/ gross margin calculations * Memory operations * Grand total (GT) * Square root * +/- (Sign change) * Arithmetic constant calculation * Digit grouping and decimal mark as per device locale
Screenshots
Verdict
The clearest difference is price: Password 4 Pro at Free against Simple Calculator. +'s $1.99. Password 4 Pro also leads on update cadence (fortnightly vs every 3 months). Simple Calculator. +'s advantage is rating (4.7 vs 2.5) and in-app purchases (none vs 3). On monetization model, device support and iOS requirement 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
Password 4 Pro is free to download; Simple Calculator. + costs $1.99 up front. Password 4 Pro sells 3 in-app purchases, starting at $0.99 per month. Simple Calculator. + asks for nothing beyond the download.
Simple Calculator. + holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: Simple Calculator. + has 147 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 44% of Password 4 Pro's written reviews are positive against 73% of Simple Calculator. +'s.
Password 4 Pro ships an update fortnightly, Simple Calculator. + every 3 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.
| Parameter | Password 4 Pro | Simple Calculator. + |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 2.5 (2 ratings) | 4.7 (147 ratings) — better |
| Positive reviews | 44.3% of reviews | 72.7% of reviews — better |
| Number of ratings | 2 | 147 — better |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 13 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Gerinn LLC | tasser gyati |
Customer experience
Password 4 Pro
Simple Calculator. +
In-app purchases
Password 4 Pro
- Monthly$0.991 Month
- Quarterly$1.993 Months
- Annual$5.991 Year
Simple Calculator. +
No in-app purchases
Questions
Is Password 4 Pro free?
Is Simple Calculator. + free?
Which has better reviews, Password 4 Pro or Simple Calculator. +?
Do Password 4 Pro or Simple Calculator. + have ads?
Which is updated more often, Password 4 Pro or Simple Calculator. +?
Other comparisons
