Number Facts! vs Octo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Number Facts!
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Turn everyday numbers into interesting discoveries with Number Facts. Explore fascinating facts about numbers, important dates, memorable years, and more—all through a simple, colorful, and easy-to-use experience. Features: - Discover facts about any number - Explore facts associated with dates and years - Get a fact for today - Generate random facts - Receive optional morning and evening fact notifications - Choose from multiple colorful themes - Share interesting discoveries with friends - Works offline without an account - No subscription required Number Facts generates its core content directly on your device, so you can continue exploring even without an internet connection. Whether you are curious about a favorite number, looking back at a particular year, or simply want to learn something new, Number Facts gives you a quick dose of daily curiosity. Advertisements require an internet connection. Notification preferences can be managed at any time from the app’s Settings screen.
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
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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
Screenshots
Verdict
The clearest difference is in-app purchases: Number Facts! at none against Octo's 1. Octo's advantage is ads (none vs shown) and update cadence (weekly vs every 3 months). On price 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. Octo sells 1 one-off in-app purchase. Number Facts! asks for nothing beyond the download.
Number Facts! ships an update every 3 months, Octo weekly. The most recent releases landed on September 26, 2026 and June 4, 2026 respectively.
| Parameter | Number Facts! | Octo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 10.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Nandha Kumar Ravi | VESIGN d.o.o. |
In-app purchases
Number Facts!
No in-app purchases
Octo
- Octo Plus$1.99
