Comparison

Essential Calculator vs 1 Contact

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

Head to head
About

Essential Calculator

Perform basic mathematical calculations with a clean, minimalist interface. Get instant results for your equations on your iPhone or iPod touch.

Highlights
  • Basic mathematical equations
  • Instant results
  • Minimalist interface
  • iPhone and iPod touch support
Read full description

Easily enter basic mathematical equations and instantly view the results on your iPhone or iPod touch with this simple, minimalist calculator app.

About

1 Contact

Features
Read full description

1 CONTACT - A SMART BUSINESS MANAGEMENT SOLUTION FOR ENTERPRISES 1 Contact is an all-in-one business management solution designed to streamline sales operations, customer engagement, and business management. With an intuitive interface and powerful features, 1 Contact helps businesses improve productivity and manage customer relationships more efficiently. With 1 Contact, you can: 1. MANAGE MULTI-CHANNEL COMMUNICATION IN ONE PLACE • Manage multiple communication channels from a single interface. • Synchronize and view customer interaction history across voice calls, SMS, Facebook, Zalo OA, and other supported channels in one conversation. • Chat, make calls, add notes, and update customer information without switching between applications. 2. CENTRALIZE CUSTOMER MANAGEMENT • Store and organize customer data based on your business needs. • Track customer interactions and purchase history in one place. • Improve customer care and optimize the customer journey. 3. ACCESS DETAILED BUSINESS REPORTS • Generate reports with flexible filters tailored to your business needs. • Monitor customer activities, calls, and messages through comprehensive analytics. • Automatically evaluate and rank team performance. DOWNLOAD 1 CONTACT TODAY AND EXPERIENCE A SMART BUSINESS MANAGEMENT SOLUTION THAT HELPS YOUR BUSINESS IMPROVE PRODUCTIVITY, STRENGTHEN CUSTOMER RELATIONSHIPS, AND DRIVE SUSTAINABLE GROWTH.

Screenshots

Essential Calculator2 screens
1 Contact4 screens

Verdict

The call

The clearest difference is iOS requirement: Essential Calculator at 12.4 against 1 Contact's 15.0. On price, update cadence, ads 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Essential Calculator ships an update every 4 months, 1 Contact every 3 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 9 level
Essential Calculator versus 1 Contact: the parameters behind the verdict, then further details
ParameterEssential Calculator1 Contact
PriceFreeFree
Rating4.0 (8 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.4 — better15.0
Further details — not scored
Size2 MB98 MB
Age rating4+4+
DeveloperCyberMoaiGadget Technology Solution

In-app purchases

None

Essential Calculator

No in-app purchases

None

1 Contact

No in-app purchases

Questions

Is Essential Calculator free?
Essential Calculator is free to download, with no in-app purchases.
Is 1 Contact free?
1 Contact is free to download, with no in-app purchases.
Do Essential Calculator or 1 Contact have ads?
Neither Essential Calculator nor 1 Contact shows ads.
Which is updated more often, Essential Calculator or 1 Contact?
Essential Calculator ships an update every 4 months, and 1 Contact every 3 months. Most recently, Essential Calculator was updated on November 2, 2026 and 1 Contact on November 5, 2026.

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