Comparison

Excel Formulas Complete vs OpenSig

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

Head to head
About

Excel Formulas Complete

This app simplifies learning and using Excel formulas and shortcuts. It provides a comprehensive guide with explanations and an easy search function. Supports multiple languages for a global user base.

Highlights
  • Complete formula library
  • Formula usage explanations
  • Easy search functionality
  • Bookmark saved formulas
  • Multi-language support
Features
Read full description

The many formulas for excel are very difficult to memorize one by one. With this application using formulas and shortcuts is now easy and fast. How to use and use of formulas is explained in the application. Some of the things that exist in this application include: - Complete formula - Bookmarks - Easy search Support many language - English - Arabic - Indonesia - Catalan - Chinese Simplified - Chinese Traditional - Croatian - Czech - Danish - Dutch - Finnish - French - German - Greek - Hungarian - Hindi - Italian - Japanese - Korean - Malay - Polish - Brazil - Portugal - Romanian - Russian - Spanish - Thai - Slovak - Swedish - Turkiye - Vietnamese - Ukrainian - Afrikaans - Hausa - Swahilli - Zulu Download immediately and hopefully useful. Payments will be charged to your Apple ID account upon confirmation of purchase. Privacy Policy & Terms of Use: Privacy Policy: https://blog.ambodalleapp.com/privacy-policy-excel-formulas-complete/ Terms of Use: https://ambodalleapp.com/terms/terms-of-use-excel-formulas-complete For support, contact us at admin@ambodalleapp.com. Download now and experience Excel Formulas Complete today!

About

OpenSig

Features
Read full description

A DIGITAL PEN ON YOUR PHONE OpenSig is the simple, private way to sign documents and create independently verifiable proofs for any file. No complex workflows and no file uploads. Sign PDFs, images, videos, design files, code, ZIPs and more directly with your device. Add optional encrypted notes to record purpose, intent or context. Use OpenSig to approve documents, lock in deliverables, protect your intellectual property, and timestamp important work. WHY OPENSIG? โ€ข Private by design โ€“ your documents never leave your device โ€ข Works with any file type and size โ€ข Create permanent, tamper-proof proofs โ€ข Add optional encrypted annotations such as purpose or message โ€ข No accounts, no uploads, no monthly subscription. Just verify your email and start signing โ€ข Independent verification: anyone with the file can verify your proof WHAT YOU CAN DO โ€ข Sign and approve documents โ€ข Prove authorship of creative work โ€ข Timestamp drafts, designs and revisions โ€ข Protect ideas, pitches and deliverables โ€ข Verify file integrity before handoff โ€ข Add short encrypted notes or URLs to your signature โ€ข Share proofs with clients, collaborators or auditors No uploads. No central storage. Just simple, verifiable signing you control.

Screenshots

Excel Formulas Complete4 screens
OpenSig4 screens

Verdict

The call

The clearest difference is ads: OpenSig at none against Excel Formulas Complete's shown. OpenSig also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.1 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Excel Formulas Complete sells 1 one-off in-app purchase and OpenSig sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Excel Formulas Complete ships an update every 2 months, OpenSig every 3 weeks. The most recent releases landed on October 14, 2026 and September 23, 2026 respectively.

Scorecard3 real differences ยท 5 level
Excel Formulas Complete versus OpenSig: the parameters behind the verdict, then further details
ParameterExcel Formulas CompleteOpenSig
PriceFreeFree
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 2 monthsEvery 3 weeks โ€” better
AdsYesNo โ€” better
In-app purchasesYesYes
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS18.015.1 โ€” better
Further details โ€” not scored
Size25 MB36 MB
Age rating4+4+
DeveloperWahyu SalamDavid Potter

In-app purchases

1 purchases

Excel Formulas Complete

One-time1
  • PRO Version$2.99
5 purchases

OpenSig

One-time5
  • 1 Signature$0.99
  • 5 Signatures$3.99
  • 25 Signatures$14.99
Show 2 more
  • 50 Signatures$24.99
  • 100 Signatures$49.99

Questions

Is Excel Formulas Complete free?
Excel Formulas Complete is free to download, with in-app purchases available.
Is OpenSig free?
OpenSig is free to download, with in-app purchases available.
Do Excel Formulas Complete or OpenSig have ads?
Excel Formulas Complete shows ads; OpenSig does not.
Which is updated more often, Excel Formulas Complete or OpenSig?
Excel Formulas Complete ships an update every 2 months, and OpenSig every 3 weeks. Most recently, Excel Formulas Complete was updated on October 14, 2026 and OpenSig on September 23, 2026.

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