Logic Lock vs XLII
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Logic Lock
Securely manage all your online credentials with this password manager. It generates strong, unique passwords for every site and offers autofill capabilities. Share passwords securely via QR codes and keep your data encrypted with biometric protection.
- Unlimited strong password generation
- Biometric data encryption
- Browser autofill
- Secure QR code sharing
- iCloud device sync
- Master key verification
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Simplify and secure your data life with Logic Lock! Create unlimited strong and unique passwords for every site and never reuse a password again. Easily fill usernames and passwords directly in the browser and sync your data across all your iCloud devices. Securely share one or more of your passwords with family and friends via QR codes. Secure by design, Logic Logic is unique and NEVER stores any of your passwords. It uses metadata fully encrypted and protected with biometrics. This design means no subscriptions and all data (including the metadata) is fully in your control, ALWAYS. With the new Sanity Assistant feature, you can verify your master key was entered correctly. === FREE Features === ◆ Secure by design ◆ NEVER stores any of your passwords - EVER ◆ Create unlimited number of passwords ◆ Data is fully encrypted and secured with biometrics ◆ Fill usernames and passwords directly in the browser ◆ Sync across all your iCloud devices ◆ Import and export your data ◆ Share passwords via QR Code ◆ Verify your master key via Sanity Assistant ◆ No subscriptions! === Upcoming Features === ◆ Password pattern configuration ◆ Character set configuration (replaces 'character mode' feature)
XLII
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XLII - Explore Numbers and Numerals help you learn about, discover, and explore number and numerals from around the world, ranging from familiar Roman numerals to the ancient Kharoṣṭhī script. You even can use your camera to scan numbers and convert them to an interesting output format. To achieve full immersion, use the XLII Clock widget to display the current date and time in a number format of your choosing directly in your Home Screen. XLII - Explore Numbers and Numerals supports: - Arabic numerals (naturally) - Roman numerals - Japanese numerals (including financial notation) - Babylonian Cuneiform numerals (base 60) - Aegean numerals (Linear B script) - Chinese counting rods (籌) - Egyptian Hieroglyphs - Suzhou numbers (蘇州碼子) - Phoenician numbers - Kharoṣṭhī numerals - Brahmi numerals - Glagolitic numerals - Cyrillic numerals - Ge'ez numbers - Sundanese numbers - Tibetan numbers - Mongolian numbers - hexadecimal, binary, octal, vigesimal, etc. - spell-out notation for many languages Most formats are also accepted as input, e.g. you can convert from Roman to Cyrillic, from Ge'ez to binary, or from Japanese to Babylonian. Some (ancient) formats don't support large numbers.
Screenshots
Verdict
The clearest difference is update cadence: Logic Lock at every 3 weeks against XLII's every 9 months. Logic Lock also leads on iOS requirement (14.1 vs 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. Neither carries in-app purchases, so what you see is what you pay.
Logic Lock ships an update every 3 weeks, XLII every 9 months. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.
| Parameter | Logic Lock | XLII |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Mac |
| Requires iOS | 14.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 2 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Living Logical, LLC | telethon k.k. |
In-app purchases
Logic Lock
No in-app purchases
XLII
No in-app purchases









