Comparison

Octo vs Smart Convert

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Binary, octal, decimal, hexadecimal conversion
  • Step-by-step decimal to any base solutions
  • Over 12,000 practice assignments
  • Supports iPhone and iPod
Features
Read 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

About

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.

Highlights
  • 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
Features
Read 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

Octo4 screens
Smart Convert4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Octo ships an update weekly, Smart Convert every 3 weeks. The most recent releases landed on June 4, 2026 and September 27, 2026 respectively.

Scorecard4 real differences · 6 level
Octo versus Smart Convert: the parameters behind the verdict, then further details
ParameterOctoSmart Convert
PriceFreeFree
Rating3.0 (2 ratings)3.0 (2 ratings)
Positive reviews50.0% of reviews—
Number of ratings22
Update frequencyWeekly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better16.2
Further details — not scored
Size32 MB4 MB
Age rating4+4+
DeveloperVESIGN d.o.o.Koya Nambo

Customer experience

Octo

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Smart Convert

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

1 purchases

Octo

One-time1
  • Octo Plus$1.99
1 purchases

Smart Convert

One-time1
  • No Ads$2.99

Questions

Is Octo free?
Octo is free to download, with in-app purchases available.
Is Smart Convert free?
Smart Convert is free to download, with in-app purchases available.
Which has better reviews, Octo or Smart Convert?
Octo and Smart Convert are both rated 3.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do Octo or Smart Convert have ads?
Smart Convert shows ads; Octo does not.
Which is updated more often, Octo or Smart Convert?
Octo ships an update weekly, and Smart Convert every 3 weeks. Most recently, Octo was updated on June 4, 2026 and Smart Convert on September 27, 2026.

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