Comparison

Authenticator vs NoteCalc

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

Head to head
About

Authenticator

Read full description

Meet Authentic. The simple two-factor authenticator that's designed for everyone. - Protect your social, productivity, business, gaming, and finance accounts in one place. - Automatically generate and copy one-time codes (TOTP) for all your accounts. - Scan QR codes to set up your accounts in seconds, or manually add your account details. - Easily export your accounts to another device. - Supports the most popular services and thousands more including Amazon, Gmail, Instagram, Zoom, PayPal, Facebook, TikTok, Roblox, Coinbase. —- Privacy Policy: https://useauthentic.app/#privacy-policy Terms of Service: https://useauthentic..app/#terms

About

NoteCalc

Seamlessly blend note-taking with real-time calculations. Capture ideas, track expenses, and create lists with instant results as you type or speak. Offers smart input features like voice notes and document scanning for enhanced productivity.

Highlights
  • Simultaneous note-taking and calculation
  • Instant results as you type
  • Voice note input
  • Document and receipt scanning
  • Expense and budget tracking
  • Shopping list creation with automatic totals
Features
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NoteCalc lets you write notes and calculate at the same time — no switching apps. Just type naturally and see results instantly. Capture ideas, lists, budgets, expenses, formulas, and everyday math in one place. Everything stays simple, fast, and organized. WHY NOTECALC Write like normal notes Results appear instantly as you type No buttons, no formulas, no interruptions Clean, fast, and easy to use WHAT YOU CAN DO Track expenses and budgets Create shopping lists with automatic totals Take notes with calculations Do quick daily math without switching apps SMART INPUT FEATURES Voice Notes Speak numbers or notes and get results instantly Scan Documents & Receipts Scan receipts and turn them into editable notes with calculations Type Naturally Just write — calculations appear automatically USE CASES Daily expense tracking Budget planning Shopping lists Study and work notes Quick calculations anytime PREMIUM FEATURES (OPTIONAL) Lock notes for privacy Tags and organization Charts and insights Cloud sync Export options Your notes stay on your device. You stay in control. Privacy Policy: https://nullvoidkage.notion.site/Privacy-Policy-31d5fa80930a8057a60cc6995100de7f Terms of Service: https://nullvoidkage.notion.site/Terms-Of-Service-31d5fa80930a807f954ee0de97ab96f3

Screenshots

Authenticator4 screens
NoteCalc4 screens

Verdict

The call

The clearest difference is update cadence: NoteCalc at every 5 days against Authenticator's every 2 months. NoteCalc also leads on device support (3 vs 1). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Authenticator sells 4 in-app purchases, starting at $0.99 per 7 days and NoteCalc sells 6 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Authenticator ships an update every 2 months, NoteCalc every 5 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Authenticator versus NoteCalc: the parameters behind the verdict, then further details
ParameterAuthenticatorNoteCalc
PriceFreeFree
Rating—5.0 (10 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—10 — better
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS17.016.0 — better
Further details — not scored
Size54 MB82 MB
Age rating4+9+
DeveloperCommitted Code LtdNikko Ferwelo

In-app purchases

4 purchases

Authenticator

Subscriptions3
  • Authentic+$0.997 Days
  • Authentic+$3.991 Month
  • Authentic+$14.991 Year
One-time1
  • Authentic+$19.99
6 purchases

NoteCalc

Subscriptions4
  • Smart Notes Monthly$1.991 Month
  • Smart Notes Monthly$2.991 Month
  • Note Calc Yearly$5.991 Year
Show 1 more
  • Smart Notes Yearly$7.991 Year
One-time2
  • Smart Notes Lifetime2 variants$5.99
  • Unlock Lifetime$12.99

Questions

Is Authenticator free?
Authenticator is free to download, with in-app purchases available.
Is NoteCalc free?
NoteCalc is free to download, with in-app purchases available.
Do Authenticator or NoteCalc have ads?
Neither Authenticator nor NoteCalc shows ads.
Which is updated more often, Authenticator or NoteCalc?
Authenticator ships an update every 2 months, and NoteCalc every 5 days. Most recently, Authenticator was updated on October 4, 2026 and NoteCalc on October 6, 2026.

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