Hex Base Converter vs Smart Convert
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hex Base Converter
Easily convert numbers between decimal, hexadecimal, binary, and octal formats. This versatile tool offers an intuitive interface and automatically corrects incorrect entries for a seamless user experience.
- Decimal to Hex, Binary, Octal conversion
- Hexadecimal to Dec, Binary, Octal conversion
- Octal to Dec, Binary, Hex conversion
- Binary to Dec, Hex, Octal conversion
- Auto-correction of entries
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This Base Number Converter is easy to use and intuitive and extremely versatile.. Features Convert Dec to Hex, Binary and Octal Convert Hex to Dec, Binary and Octal Convert Octal to Dec, Binary and Hex Convert Binary to Dec, Hex and Octal Auto Corrects wrong entries Video walkthrough: https://youtu.be/Wix6TAIRnmc
Smart Convert
Instantly convert numbers between bases 2 and 62 on a single screen. Supports arbitrary-precision math for huge numbers, fractions, and negative values. Easily copy results and manage history with customizable themes.
- Convert between bases 2 to 62
- Arbitrary-precision math for large numbers
- Supports fractions and negative numbers
- Tap to copy results
- History of conversions
- Light and dark themes
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Smart Convert converts numbers between any bases from 2 to 62 — all on one screen. Type a value and the results for your pinned bases appear instantly. Whether you're debugging hex, learning binary, or curious about base 36 and base 62, just tap a result to copy it. KEY FEATURES • One screen for everything: pick the input base, type a value, and see every result as a card • Bases 2 to 62: binary, octal, decimal and hex by default — pin any other base to add it to your results • No digit limit: arbitrary-precision math converts huge numbers (well beyond 64 bits) exactly, with no rounding • Tap to copy: tap a result card to copy it. Touch and hold to copy with separators or a prefix (0x, 0b, 0o), or to use the value as your new input • Forgiving input: paste values with prefixes like 0x, spaces or underscores as separators, or full-width digits • Fractions and negative numbers: choose 8, 16 or 32 digits for fractions that don't terminate • History: values are saved automatically — tap one to bring it back to the converter • Light & Dark themes: follow the system or choose your own • Localized in 9 languages, on iPhone and iPad DESIGNED FOR • Software engineers working with hex, binary, or unusual encodings • Computer science students learning number systems • Math enthusiasts curious about base 36, base 62, and beyond • Anyone who needs a quick, reliable converter HOW TO USE 1. Choose the input base above the input field 2. Type a value — results for your pinned bases appear instantly 3. Tap a result to copy it, or touch and hold for more options 4. Use "Add base" to pin any base from 2 to 62 Free to use, with an optional in-app purchase to remove ads. No account needed. Ads are provided by Google AdMob. On first launch, the app asks for permission to track for personalized ads — every feature works whether or not you allow it.
Screenshots
Verdict
The clearest difference is rating: Hex Base Converter at 4.6 against Smart Convert's 3.0. Hex Base Converter also leads on in-app purchases (none vs 1) and ads (none vs shown). Smart Convert's advantage is update cadence (weekly vs every 7 months). On price, 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
Both are free to download. Smart Convert sells 1 one-off in-app purchase. Hex Base Converter asks for nothing beyond the download.
Hex Base Converter holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Hex Base Converter has 33 ratings behind it against 2, so its average is the more settled of the two.
Hex Base Converter ships an update every 7 months, Smart Convert weekly. The most recent releases landed on November 6, 2026 and November 13, 2026 respectively.
| Parameter | Hex Base Converter | Smart Convert |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (33 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 33 — better | 2 |
| Update frequency | Every 7 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Raymond | Koya Nambo |
Customer experience
Hex Base Converter
Smart Convert
In-app purchases
Hex Base Converter
No in-app purchases
Smart Convert
- No Ads$2.99
Questions
Is Hex Base Converter free?
Is Smart Convert free?
Which has better reviews, Hex Base Converter or Smart Convert?
Do Hex Base Converter or Smart Convert have ads?
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