Comparison

Spreadsheet Formula AI vs TrafoCalc

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

Head to head
About

Spreadsheet Formula AI

Generate spreadsheet formulas and explanations using AI. Simply describe your data needs in plain text, and the AI bot will calculate the correct formula for you. Work smarter and faster with intelligent formula generation.

Highlights
  • AI-generated formulas
  • Formula explanations
  • Plain text input
  • Fast calculation
  • Pro features access
Features
Read full description

Work Smarter and Faster With Bot Formula Generators AI AI-generated formulas or explanations for data spreadsheets! Just type, in plain text, what you need! And let the AI Bot calculate the formula for you! Terms: https://biographics.com.br/terms Privacy Policy: https://biographics.com.br/privacy Subscription Information: Payment will be charged to iTunes Account at confirmation of purchase. You can subscribe and pay through your iTunes account. Payment will be charged to iTunes account at confirmation of purchase. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renew may be turned off after purchase by going to the 'Manage Subscription' page in settings. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. The subscription will renew at the same cost. Please note: any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. Types of Subscriptions: Pro Access - get access to pro features for the selected period. *prices may vary by location

About

TrafoCalc

Features
Read full description

TrafoCalc is a practical transformer calculation tool built specifically for field engineers, commissioning teams, and utility professionals. Designed for real-world use at substations and test sites, TrafoCalc provides fast, reliable calculations without spreadsheets or manual formulas. Key Features • Rated current calculation (HV & LV, 3-phase) • Transformer ratio calculation based on vector group • Full tap-changer support (Tap 1 = highest voltage) • Per-tap voltage and ratio calculation • ±0.5% ratio tolerance range for testing reference • Short-circuit current calculation • Supports common IEC vector groups (Dyn, YNd, Yy) • Clean, offline-ready interface Built for Professionals TrafoCalc follows IEC-based formulas and is suitable for: • Factory Acceptance Tests (FAT) • Site Acceptance Tests (SAT) • OLTC verification • Ratio testing reference • Substation commissioning No ads. No clutter. Just the calculations engineers actually need.

Screenshots

Spreadsheet Formula AI3 screens
TrafoCalc4 screens

Verdict

The call

The clearest difference is price: Spreadsheet Formula AI at Free against TrafoCalc's $0.99. Spreadsheet Formula AI also leads on iOS requirement (16.6 vs 18.2). TrafoCalc's advantage is in-app purchases (none vs 3) and update cadence (every 9 days vs every 4 months). 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

Spreadsheet Formula AI is free to download; TrafoCalc costs $0.99 up front. Spreadsheet Formula AI sells 3 in-app purchases, starting at $3.99 per 7 days. TrafoCalc asks for nothing beyond the download.

UpkeepUpdate frequency

Spreadsheet Formula AI ships an update every 4 months, TrafoCalc every 9 days. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

Scorecard4 real differences · 6 level
Spreadsheet Formula AI versus TrafoCalc: the parameters behind the verdict, then further details
ParameterSpreadsheet Formula AITrafoCalc
PriceFree — better$0.99
Rating4.6 (58 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings58 — better—
Update frequencyEvery 4 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better18.2
Further details — not scored
Size23 MB4 MB
Age rating4+4+
DeveloperBiographics Consultoria e Design LTDAMohd Dahnial Ismail

In-app purchases

3 purchases

Spreadsheet Formula AI

Subscriptions3
  • Pro Access Weekly$3.997 Days
  • Pro Access Monthly$9.991 Month
  • Pro Access Yearly$39.991 Year
None

TrafoCalc

No in-app purchases

Questions

Is Spreadsheet Formula AI free?
Spreadsheet Formula AI is free to download, with in-app purchases available.
Is TrafoCalc free?
TrafoCalc costs $0.99, with no in-app purchases.
Do Spreadsheet Formula AI or TrafoCalc have ads?
Neither Spreadsheet Formula AI nor TrafoCalc shows ads.
Which is updated more often, Spreadsheet Formula AI or TrafoCalc?
Spreadsheet Formula AI ships an update every 4 months, and TrafoCalc every 9 days. Most recently, Spreadsheet Formula AI was updated on September 18, 2026 and TrafoCalc on September 8, 2026.

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