Comparison

LFunCalc vs Streakly

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

Head to head
About

LFunCalc

Features
Read full description

LFunCalc is a function calculator that formulas are displayed and entered as a list. Just after a formula is entered, the result is displayed without tapping enter key. A formula name is assigned to each input line and can be referenced as a variable in the following formulas. When a formula is changed, the value of the other formula referencing it is updated too. LFunCalc is also useful as a tool of parameter study. Note) LFunCalc is not a spreadsheet application.

About

Streakly

This minimalist habit tracker focuses on consistency with a visual heatmap to display your progress. It offers a clean interface, iCloud sync, and flexible scheduling without unnecessary complexity. Track daily or specific day habits and view your entire year's discipline at a glance.

Highlights
  • Visual heatmap progress display
  • Clean, minimalist interface
  • iCloud sync across devices
  • Flexible habit scheduling
  • Interactive home screen widgets
  • No account required
Features
Read full description

Don't Break the Chain. Build better habits without the clutter. Streakly is the minimalist habit tracker designed for visual people who want to focus on one thing: Consistency. Inspired by the "Seinfeld Strategy" and contribution graphs, Streakly visualizes your progress as a beautiful heatmap. See your entire year of discipline at a glance, fill your grid, and keep the momentum going. WHY STREAKLY? Most habit trackers are too complex. They have too many charts, notifications, and features you don't use. Streakly brings it back to basics. It is a quiet place to mark your progress and feel good about your day. # VISUAL MOMENTUM - The Heatmap See your habits as a stunning "Year in Pixels" grid. The more consistent you are, the brighter your streak shines. - Weekly & Monthly Views Zoom in to focus on this week, or zoom out to see your yearly trend. - Beautiful Aesthetics Clean lines, satisfying haptics, and a design that looks great in Light or Dark mode. # PRIVATE & SECURE - iCloud Sync (CloudKit) Your data syncs seamlessly across your iPhone and iPad using your own private iCloud account. - Privacy First We don't see your data. It stays on your device and your Apple ID. - No Accounts: No sign-up required. Just download and start tracking. # POWERFUL SIMPLICITY - Interactive Widgets: Check off habits directly from your Home Screen. - Flexible Schedules: Track daily habits or set specific days (e.g., "Gym on Mon/Wed/Fri"). - Unlimited History: Look back at years of progress. # PAY ONCE, TRACK FOREVER We hate subscriptions for simple tools too. - No Monthly Fees. - No Ads. - One Lifetime Purchase. Get Streakly today and start filling your grid. --- Terms of Use: https://streakly.app/terms Privacy Policy: https://streakly.app/privacy-policy --- Connect with us Email: contact@streakly.app Website: https://streakly.app Twitter: twitter.com/UseStreakly ---

Screenshots

LFunCalc4 screens
Streakly4 screens

Verdict

The call

The clearest difference is in-app purchases: LFunCalc at none against Streakly's 1. LFunCalc also leads on iOS requirement (13.2 vs 16.2). Streakly's advantage is device support (5 vs 2). On price, update cadence and ads 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. Streakly sells 1 one-off in-app purchase. LFunCalc asks for nothing beyond the download.

UpkeepUpdate frequency

LFunCalc ships an update every 5 months, Streakly every 4 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
LFunCalc versus Streakly: the parameters behind the verdict, then further details
ParameterLFunCalcStreakly
PriceFreeFree
Rating—4.7 (58 ratings) — better
Positive reviews—60.0% of reviews
Number of ratings—58 — better
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Mac, Apple Watch, Vision Pro — better
Requires iOS13.2 — better16.2
Further details — not scored
Size46 MB18 MB
Age rating4+4+
DeveloperNOBORU IMAIUnstatic Ltd Co

In-app purchases

None

LFunCalc

No in-app purchases

1 purchases

Streakly

One-time1
  • Life-time Premium$14.99

Questions

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

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