UniCount scientific calculator vs Octodecuple Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UniCount scientific calculator
This app offers a comprehensive calculator for various mathematical needs, including basic arithmetic, algebra, trigonometry, and complex numbers. It supports multi-story fractions, roots, and provides infinite problem solutions with a user-friendly interface and multiple modes.
- Multi-story fractions, powers, and roots
- 16 trigonometric functions
- Complex number calculations
- Basic, scientific, and fraction modes
- Formula editing
- Degree/radian calculation
- Infinite math problem solutions
Read full descriptionHide full description
UniCount is a scientific calculator: natural formula input, complex numbers, units and currencies, matrices, your own functions, and high, guaranteed precision. KEY FEATURES: • Natural math notation: multi-story fractions, powers, roots of any degree. • High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar. • Mix units and currencies right in a formula: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm. • Convert anything with one key: length, mass, speed, data, currencies and crypto. • Define your own constants and functions and reuse them anywhere. • Matrices: product, inverse, determinant, transpose. • Complex numbers in all functions. • Clear errors that highlight the exact spot in the formula. EDITING: • Caret, selection, and full formula editing built for touch. • Undo slider and calculation history — nothing gets lost. • Live result under the formula while you type. ADDITIONAL FEATURES: • Keyboard extension: the full calculator inside any app, no switching away. • History, your constants and functions sync across your devices via iCloud.
Octodecuple Calc
Read full descriptionHide full description
Display 18 calculators and perform calculations with each one.
Screenshots
Verdict
The clearest difference is in-app purchases: Octodecuple Calc at none against UniCount scientific calculator's 3. UniCount scientific calculator's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). 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. UniCount scientific calculator sells 3 one-off in-app purchases. Octodecuple Calc asks for nothing beyond the download.
UniCount scientific calculator ships an update every 3 days, Octodecuple Calc every 2 weeks. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | UniCount scientific calculator | Octodecuple Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (14 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 3 days — better | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.8.3 — better |
| Further details — not scored | ||
| Size | 45 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Danil Voidilov | Hideaki Uchikoshi |
In-app purchases
UniCount scientific calculator
- Buy Me a Coffee$0.99
- Buy Me a Pizza$5.99
- You're Awesome!$12.99
Octodecuple Calc
No in-app purchases
Questions
Is UniCount scientific calculator free?
Is Octodecuple Calc free?
Do UniCount scientific calculator or Octodecuple Calc have ads?
Which is updated more often, UniCount scientific calculator or Octodecuple Calc?
Other comparisons
