Authenticator · AuthKit vs Coil Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Authenticator · AuthKit
Securely store passwords, 2FA codes, credit cards, and various documents with end-to-end encryption. This app offers an organized vault for your digital identity, accessible without an account and syncing privately via iCloud Keychain.
- End-to-end encrypted vault
- Stores 22+ item types
- TOTP code generation
- Password and passkey autofill
- Credit card preview
- Secure notes and file attachments
- iCloud Keychain sync
Read full descriptionHide full description
Auth Kit is a secure vault for passwords, 2FA codes, credit cards, passkeys, and 22+ item types — with credentials protected by Apple Keychain on iPhone and iPad. More than an authenticator. Store your credit cards, bank accounts, passports, driver licenses, SSH keys, crypto wallets, software licenses, medical records, and more — alongside your passwords and 2FA codes, in one app. No account required. Synchronizable credentials can sync through iCloud Keychain when enabled. Attachments remain local to the device. KEY FEATURES SECURE VAULT — 22 ITEM TYPES • Credit cards with live card preview & auto brand detection • Bank accounts, crypto wallets & rewards programs • Passports, driver licenses & identity documents • SSH keys, API credentials, servers & databases • Software licenses, medical records & secure notes • File attachments — scan documents, snap photos or import files AUTHENTICATOR & OTP • Generate TOTP codes for all your accounts • Scan QR codes or enter setup keys manually • One-tap code copy with visual countdown timer • AutoFill support for one-time codes PASSWORDS & PASSKEYS • Securely store and autofill passwords • Password generator with strength indicator • Passkey support for password-free authentication • AutoFill in Safari and apps FAVORITES & SEARCH • Star items for instant access in the Favorites tab • Global search across all passwords, codes, cards & documents • Swipe to favorite from any list SECURITY & PRIVACY • Credentials protected by Apple Keychain • Face ID & Touch ID protection • Encrypted iCloud Keychain sync • No AuthKit account required. No ads. DESIGNED FOR iOS & iPadOS • Native SwiftUI interface • Dark mode support • iOS AutoFill integration • Siri Shortcuts support • Home screen widgets with live 2FA codes • Import from Google Authenticator, 1Password & LastPass Auth Kit keeps your digital life secure, organized, and private — passwords, cards, keys, and documents in one vault. Download now and take control of your online security. Terms of Use: https://asapps.studio/authkit-terms-of-use DATA AND BACKUP Synchronizable credentials can sync through iCloud Keychain when enabled. File attachments remain on the device where they were added. JSON/CSV exports include passwords and 2FA codes only; they do not include passkeys, other secure item types, or attachments. Keep independent recovery methods for your accounts. AuthKit uses Firebase for product analytics and diagnostics and RevenueCat for subscription management. See our privacy policy for details.
Coil Calculator
Read full descriptionHide full description
Coil Calculator Pro is a powerful engineering tool for designing and calculating coils and inductors with speed and accuracy. Choose from multiple coil types and calculate essential winding parameters for electronics, RF, electrical, and DIY projects. Design single-layer air-core coils, multilayer coils, flat spiral coils, and toroidal inductors. Enter your design requirements and dimensions to calculate inductance, required turns, wire length, resistance, winding dimensions, and more. Whether you are an electronics engineer, RF designer, technician, student, hobbyist, or DIY maker, Coil Calculator Pro provides practical tools to simplify coil design. Key Features: • Single-layer coil calculator • Multilayer coil design • Flat spiral coil calculator • Toroidal inductor calculator • Calculate inductance and required turns • Estimate wire length and winding resistance • Find suitable wire gauge • Support for metric and imperial units • Calculate coil dimensions and design parameters • View detailed calculation results • Save and review previous calculations • Export or share results where supported • Fast, accurate, and easy-to-use interface Supported Coil Types: • Single Layer • Multi Layer • Flat Spiral • Toroid From selecting the right wire to finding the exact number of turns, Coil Calculator Pro helps make coil and inductor design easier and more efficient. in-app purchase included Lifetime to Remove Ads Privacy Policy : https://docs.google.com/document/d/1Dn1gNdDP2AHL7sg-px4rxdLAcoGHlNB8/edit#heading=h.1ionsc3v3xmq Terms and Condition : https://docs.google.com/document/d/1t-LREPKByKaM0UkbIo4o0E1gdAYs21Oe30EfGxenEss/edit?usp=sharing
Screenshots
Verdict
The clearest difference is iOS requirement: Coil Calculator at 15.6 against Authenticator · AuthKit's 17.6. On price, ads, in-app purchases and device support 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
Both are free to download. Authenticator · AuthKit sells 3 in-app purchases, starting at $1.99 per 7 days and Coil Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Authenticator · AuthKit | Coil Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 123 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Naser Daliribejindi | Nanjibhai Gorasiya |
In-app purchases
Authenticator · AuthKit
- Weekly$1.997 Days
- Monthly$4.991 Month
- Yearly$29.991 Year
Coil Calculator
- Lifetime Premium$12.99
Questions
Is Authenticator · AuthKit free?
Is Coil Calculator free?
Do Authenticator · AuthKit or Coil Calculator have ads?
Other comparisons















