Comparison

Calc Ultra vs oMeoo

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

Head to head
About

Calc Ultra

This comprehensive utility app offers a suite of powerful calculation and conversion tools. It includes a voice calculator, customizable toolkits, health index tracking, and essential measurement instruments like rulers and compasses.

Highlights
  • Voice calculator for complex math
  • Customizable calculation tool store
  • Health index tracking
  • Ruler, protractor, and level tools
  • Compass and speedometer
  • Date and unit converters
Features
Read full description

Introducing the brand new, upgraded super app— the ultimate solution to all your calculations and conversion problems! 【Voice Calculator】 Whether it's for work, study, or daily needs, complicated calculations are easily handled. Intelligent, fast, professional, one-click solution to math problems. 【Calculation App Store】 Create your exclusive calculation toolbox, with all types of calculation tools you need readily available, to customize your personal calculation experience. 【Health Index Calculation】 Comprehensive health data management. Track and control your health index, make smart decisions, and live a stronger life. 【Ruler & Protractor & Level】 Complete measurement tools allow you to measure accurately anytime, anywhere. Say goodbye to traditional complexities, easy measurement is in your hands. 【Compass & Speedometer】 Fearless exploration and travel. With our app, you can accurately master your direction even in unfamiliar environments, fear nothing. 【Conversion Tools】 All kinds of conversions are readily available. Whether it's date calculations, or other types of conversions, we can provide you with efficient solutions. Download this all-in-one calculation toolbox now, make your life smarter, more efficient, and convenient! (。◕ ∀ ◕。)ノ゙

About

oMeoo

Features
Read full description

Introduction: oMeoo is a tailor-made diary app for iOS users. It allows for quick recording of daily life events and helps in managing reminders for important occurrences. Key Features: 1. Quick Recording: Capture your life moments with a single tap. Event Reminders: Never miss any important events. Clean Interface: User-friendly and straightforward. Data Security: Ensuring the privacy of your data. Use Cases: Whether it's for keeping track of daily chores or reminders for significant meetings, oMeoo makes it easy to manage. Suitable for all iOS users needing recording and reminder functions

Screenshots

Calc Ultra4 screens
oMeoo4 screens

Verdict

The call

The clearest difference is price: oMeoo at Free against Calc Ultra's $9.99. oMeoo also leads on in-app purchases (none vs 1). Calc Ultra's advantage is update cadence (every 2 days vs monthly) and iOS requirement (14.0 vs 16.4). On ads 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

CostPrice · In-app purchases · Ads · Monetization

oMeoo is free to download; Calc Ultra costs $9.99 up front. Calc Ultra sells 1 one-off in-app purchase. oMeoo asks for nothing beyond the download.

UpkeepUpdate frequency

Calc Ultra ships an update every 2 days, oMeoo monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Calc Ultra versus oMeoo: the parameters behind the verdict, then further details
ParameterCalc UltraoMeoo
Price$9.99Free — better
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 days — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.4
Further details — not scored
Size10 MB15 MB
Age rating17+17+
Developer小飞 刘东举 杨

In-app purchases

1 purchases

Calc Ultra

One-time1
  • Support A Cup Of Coffee$2.99
None

oMeoo

No in-app purchases

Questions

Is Calc Ultra free?
Calc Ultra costs $9.99, and also offers in-app purchases.
Is oMeoo free?
oMeoo is free to download, with no in-app purchases.
Do Calc Ultra or oMeoo have ads?
Neither Calc Ultra nor oMeoo shows ads.
Which is updated more often, Calc Ultra or oMeoo?
Calc Ultra ships an update every 2 days, and oMeoo monthly. Most recently, Calc Ultra was updated on November 3, 2026 and oMeoo on October 30, 2026.

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