Converter and Calculator vs Sudo Encrypt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Converter and Calculator
This app functions as a unit and currency converter, offering over 500 units across 29 categories. It features a full-screen calculator with memory functions and allows for extensive customization of displayed units and their order.
- Unit and currency conversion
- Full-screen calculator
- Customizable units and categories
- In-line calculations
- Convert multiple units simultaneously
- Automatic regional formatting
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A calculator & unit & currency converter with a super clean interface, standalone calculator, customizable color, and over 500 units in 29 categories (161 currencies). Display only the units and categories you want and put them in any order. Fast, Easy To Use: Pick a category, pick a unit, and then enter an amount. All other units are instantly converted to your selected unit as you enter amount. Features: • Full screen calculator with memory functions quickly accessible from bottom toolbar • Customizable color • Customizable units (display only the units & categories you want in whatever order you want) • In-line calculations while converting (fractions, decimals, add, subtract, multiply, divide). • Convert multiple units / currencies at once • Both unit names and symbols shown. • Results with up to 12 significant digits. • Automatic formatting of decimal and thousands separators according to your Region. • Automatic formatting of extremely large or small numbers with scientific E notation. Options: - Font Size - Sound - Color Theme - Minimum Decimal Digits (0-12) - Maximum Decimal Digits (0-12) - Show Thousands Separators - E Notation (Off, Auto, Scientific, Engineering) - Equals Repeat - Replace ÷ Button With / - Replace E Button With Hidden, EE, 00, 000 - Show Memory Buttons - Memory Store (Result, Last Input Number) - Currency Updates - Symbol First - In-Line Definitions - UK Spelling 501 Units In 29 Categories: • Acceleration • Angle • Area • Blood Cholesterol • Blood Glucose • Capacitance • Currency • Data • Density • Dynamic Viscosity • Electric Charge • Electric Current • Electric Potential • Electrical Conductance • Electrical Resistance • Energy • Force • Frequency • Fuel Economy • Length • Mass • Power • Pressure • Speed • Temperature • Time • Torque • Volume • Weight (Mass) URL Scheme: converterpro://
Sudo Encrypt
Securely encrypt and decrypt messages using RSA encryption. Generate your own keypairs, import others' public keys, and sign/verify message signatures. Seamlessly integrate with iMessage for easy sharing of encrypted content.
- Generate RSA keypairs locally
- Encrypt messages with public keys
- Decrypt messages with private keys
- Sign and verify message signatures
- iMessage extension for seamless integration
- Embed encrypted messages as iMessage objects
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- Generate RSA keypairs locally - Import others' public keys and encrypt messages to send to others - Decrypt messages others sent to you with your private key - Sign / Verify message signature Best of all, encryption and decryption of messages can be done directly in the iMessage app. When using the in-app extension, you no longer have to send a long piece of string, the encrypted message is embedded into an iMessage object so the other side can just click and decrypt.
Screenshots
Verdict
The clearest difference is price: Sudo Encrypt at Free against Converter and Calculator's $2.99. Sudo Encrypt also leads on review sentiment (100% vs 90%). Converter and Calculator's advantage is ratings volume (267 vs 6). On rating, update cadence, ads and in-app purchases 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
Sudo Encrypt is free to download; Converter and Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.7 for Converter and Calculator against 4.7 for Sudo Encrypt. That said, the two scores are not equally well evidenced: Converter and Calculator has 267 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 90% of Converter and Calculator's written reviews are positive against 100% of Sudo Encrypt's.
Converter and Calculator ships an update every 2 weeks, Sudo Encrypt every 9 days. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.
| Parameter | Converter and Calculator | Sudo Encrypt |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.7 (267 ratings) — better | 4.7 (6 ratings) |
| Positive reviews | 90.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 267 — better | 6 |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 9 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Cider Software LLC | Shunzhe Ma |
Customer experience
Converter and Calculator
Sudo Encrypt
Bugs and requests
Converter and Calculator
Reported bugs
3 issues- App not updating calculations daily
- Conversion table setup is off by one line
- No Copy/Paste functionality
Requested features
4 requests- Support today's widget
- Add Vietnamese language
- Create custom units
- Add a search bar
Sudo Encrypt
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Converter and Calculator
No in-app purchases
Sudo Encrypt
No in-app purchases
Questions
Is Converter and Calculator free?
Is Sudo Encrypt free?
Which has better reviews, Converter and Calculator or Sudo Encrypt?
Do Converter and Calculator or Sudo Encrypt have ads?
Which is updated more often, Converter and Calculator or Sudo Encrypt?
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