Octo vs Smart Convert
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Octo
Master number base conversions with this educational tool. It offers step-by-step solutions for decimal to any base conversions and provides over 12,000 practice assignments to solidify your understanding.
- Binary, octal, decimal, hexadecimal conversion
- Step-by-step decimal to any base solutions
- Over 12,000 practice assignments
- Supports iPhone and iPod
Read full descriptionHide full description
Easily convert numbers between binary, octal, decimal and hexadecimal base, get step-by-step solutions for converting decimal numbers to any base and practice your skills on more than 12,000 assignments. Suggestions or questions? Email us at support@octosweb.site. Help Center: https://www.octosweb.site/help Privacy Policy: https://www.octosweb.site/privacy-policy
Smart Convert
Easily switch numbers between various bases, from binary to base 62. Ideal for developers, students, and math enthusiasts needing quick and reliable conversions with fractional parts. Features include instant common base conversions, custom base support, and conversion history.
- Convert between bases 2 to 62
- Quick mode for common bases
- Custom mode for any base pair
- Save and recall conversion history
- Support for fractional numbers
- Light and dark themes
- Localized in 9 languages
Read full descriptionHide full description
Smart Convert is the fastest way to switch numbers between bases — from binary all the way to base 62. Whether you're a developer debugging hex, a student learning binary, or just curious about number systems, Smart Convert gets you the answer in one tap. KEY FEATURES • Quick mode: instant conversion between binary, octal, decimal, and hexadecimal • Custom mode: convert between any two bases from 2 to 62 • History: every conversion is saved automatically — never re-type a number • Light & Dark themes: match your system or pick your preference • Decimal precision: convert numbers with fractional parts • Fully localized in 9 languages DESIGNED FOR • Software engineers working with hex, binary, or unusual encodings • Computer science students learning numeric systems • Math enthusiasts curious about base 36, base 62, and beyond • Anyone who needs a quick, reliable converter HOW TO USE 1. Open the Quick tab for the four common bases (2, 8, 10, 16) 2. Switch to the Custom tab for any base from 2 to 62 3. Pick the source and target bases, type your number — done 4. Tap History to recall any past conversion Free to use with optional ad-removal. No account, no tracking.
Screenshots
Verdict
The clearest difference is ads: Octo at none against Smart Convert's shown. Octo also leads on monetization model (free vs free with in-app purchases) and update cadence (weekly vs every 3 weeks). On price, rating, ratings volume 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
Both are free to download. Octo sells 1 one-off in-app purchase and Smart Convert sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 3.0 for Octo against 3.0 for Smart Convert. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
Octo ships an update weekly, Smart Convert every 3 weeks. The most recent releases landed on June 4, 2026 and September 27, 2026 respectively.
| Parameter | Octo | Smart Convert |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 3.0 (2 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 32 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | VESIGN d.o.o. | Koya Nambo |
Customer experience
Octo
Smart Convert
In-app purchases
Octo
- Octo Plus$1.99
Smart Convert
- No Ads$2.99








