Molecular Weight Calculator vs Seedkeeper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Molecular Weight Calculator
This tool calculates the average molecular weight of molecules using their chemical formulas. It offers instant results, supports high precision, and is optimized for everyday use on iOS devices. The app prioritizes user privacy and is ad-free.
- Instant molecular weight calculation
- Copy results to other apps
- Includes formula references
- Supports up to 16 decimal places
- Works on iPhone and iPad
- Ad-free and privacy-focused
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The Molecular Weight Calculator is a physics/math tool designed to find the average molecular weight (MW) of molecules by inputting their chemical formulas. Features: - Instant calculation - Results can be copied to other apps - Includes formula references - Supports up to 16 decimal places - Works seamlessly on both iPhone and iPad. - Lightweight, compact app optimized for everyday use. - Ad-free and built with privacy in mind. Note: Chemical formulas are case-sensitive (e.g., C22H30N4O). Definitions: - Molecular mass (molecular weight): The mass of one molecule of a substance, expressed in unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12) - Molar mass (molar weight): The mass of one mole of a substance, expressed in grams per mole (g/mol). Thank you for your support! Visit nitrio.com for more apps for your iOS devices.
Seedkeeper
This app generates and securely stores passwords and mnemonic seedphrases, working in conjunction with a smart card. It offers PIN-protected access and supports various security specifications without requiring account registration or collecting personal data.
- Generate and store passwords and seedphrases
- PIN-protected access
- NFC card scanning for operation
- Supports BIP39 protocol
- No account registration or data collection
- Open-source application
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This application is the ideal companion to your Seedkeeper smart card, allowing you to generate and store a wide variety of secrets, including passwords and mnemonic seedphrases. Seedkeeper is the quickest and easiest way to generate and secure all the secrets linked to your digital life. In just a few clicks, you can create a strong password and store it in the secure memory of your Seedkeeper card. Easily import your login or authentication credentials, and manage them at your fingertips, wherever you are. Features : - No account registration or KYC: simply scan your card via NFC and operate autonomously. - PIN-protected access. - Compatible with BIP39 protocol, QRCode and SeedQR specifications. - No storage of sensitive information on the application. - No collection of personal data. - The application is open-source. Features : - Generate and import strong passwords or mnemonic seedphrases (BIP39). - Specify wallet descriptors. - Import free text. - Create an encrypted backup and import it into another Seedkeeper card.
Screenshots
Verdict
The clearest difference is price: Seedkeeper at Free against Molecular Weight Calculator's $2.99. Molecular Weight Calculator's advantage is rating (5.0 vs 1.0) and device support (3 vs 1). On ratings volume, 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
Seedkeeper is free to download; Molecular Weight Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Molecular Weight Calculator holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively.
| Parameter | Molecular Weight Calculator | Seedkeeper |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (3 ratings) — better | 1.0 (3 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Every 29 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Nitrio | Satochip |
Customer experience
Molecular Weight Calculator
Seedkeeper
In-app purchases
Molecular Weight Calculator
No in-app purchases
Seedkeeper
No in-app purchases
Questions
Is Molecular Weight Calculator free?
Is Seedkeeper free?
Which has better reviews, Molecular Weight Calculator or Seedkeeper?
Do Molecular Weight Calculator or Seedkeeper have ads?
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