TMD Locks vs HexBit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TMD Locks
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Download the TMD Locks App for your TMD Chain Lock. The TMD Chain Lock is the first keyless chain lock with built-in alarm. KEYLESS WITH BUILT-IN ALARM Open the lock with a press of the button when your phone is nearby. No more keys, just fast and secure access. And rest assured that the built-in 100dB alarm will scare away any thieves that dare to touch your lock. LUXURY AND SECURITY While the lock body is designed to withstand the harshest conditions and attacks, it is also soft on the outside to prevent your ride from getting damaged. The sleeve sets a new standard with its light weight, flexibility and soft outside. While the use of innovative materials offers unparalleled protection. DURABILITY The TMD Chain Lock goes beyond security and usability, by offering incredible durability too. It is engineered to perform in the harshest conditions: - Water resistant - Temperature resistant - Shock resistant A SIMPLE - YET POWERFUL - APP With the free TMD Locks App, you can do so much more than just open your lock: - Share your lock with friends and family without having to duplicate and share physical keys. - View where, when, by whom and if your lock was used. - Always find your way back to your lock, by viewing where you've last used it. CERTIFIED SECURITY The TMD Chain Lock has the ART 2 certification, and is IP57 certified too.
HexBit
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HexBit is the focused calculator for engineers, developers, and students who want powerful math without ads, subscriptions, accounts, or tracking. SCIENTIFIC CALCULATOR • Natural expression input with live results • Trigonometry, inverse trig, hyperbolic functions, logarithms, exponents, roots, factorials, fractions, π, and e • Complex-number calculations with i • RPN mode with a four-level stack, ENTER, DROP, SWAP, and roll controls PROGRAMMER CALCULATOR • Synchronized HEX, DEC, OCT, and BIN values • 8-, 16-, 32-, and 64-bit signed or unsigned modes • AND, OR, XOR, NOT, shifts, and bit rotations • ASCII, Unicode, RGB, and IEEE 754 tools UNIT CONVERTER • 200+ units across 15 categories • Length, mass, volume, temperature, pressure, energy, power, data, and more • Works offline, including built-in currency rates MADE FOR DAILY USE • Searchable calculation history with one-tap reuse and copy • Five calculator themes and configurable display, sound, and haptic settings • Home Screen and Lock Screen widgets • Designed for iPhone and iPad Everything is included in one purchase. Your calculations and preferences stay on your device. Terms of Use: https://taxlite.net/simple_calc/terms.html Privacy Policy: https://taxlite.net/simple_calc/privacy.html
Screenshots
Verdict
The clearest difference is price: TMD Locks at Free against HexBit's $3.99. TMD Locks also leads on in-app purchases (none vs 4) and update cadence (fortnightly vs monthly). On ads, 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
TMD Locks is free to download; HexBit costs $3.99 up front. HexBit sells 4 in-app purchases, starting at $1.99 per 7 days. TMD Locks asks for nothing beyond the download.
TMD Locks ships an update fortnightly, HexBit monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | TMD Locks | HexBit |
|---|---|---|
| Price | Free — better | $3.99 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18 | 17.0 — better |
| Further details — not scored | ||
| Size | 61 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | TMD Security | ZHENGQIAO JIANG |
In-app purchases
TMD Locks
No in-app purchases
HexBit
- Weekly$1.997 Days
- Monthly$4.991 Month
- Yearly$29.991 Year
- Lifetime$79.99









