Comparison

Owlculator vs Calcula Keyboard

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

Head to head
About

Owlculator

Features
Read full description

Owlculator gives you one place for quick calculations and deep math notes. You can move from simple keypad taps to multi-line workflows without changing apps. Every result updates instantly so your thinking stays in flow. Use Owlculator when you need speed for daily math and structure for bigger planning sessions. Open Basic mode for immediate answers, then switch to Notes to build formulas, save context, and return later with everything intact. **Tap-First Basic Mode** Basic mode is designed for moments when you need a number right now. Large controls and immediate output help you finish routine math quickly and keep momentum through your day. **Live Notes With Line Results** Notes mode evaluates each line as you type, so long calculations stay readable from top to bottom. You can edit earlier lines and watch downstream values refresh right away. **Conversions Built Into Workflow** Handle units, currency, percentages, and mixed expression formats in the same workspace. You get practical answers for real scenarios without jumping between separate tools. **Reusable Variables and Functions** Set values once and reuse them across longer calculations to reduce repeated typing. This makes budgeting, planning, and formula-heavy work more consistent and less error-prone. **History and Note Recall** Review recent calculator activity in tape history and reopen saved notes anytime. Your previous work remains easy to revisit, refine, and continue when new details appear. Download Owlculator and turn everyday math into a clear, reliable workflow you can trust.

About

Calcula Keyboard

Features
Read full description

Calcula is a lightweight scientific math keyboard for iPhone. After you add the keyboard, you can type expressions in chats, notes, browser search bars, or any system text field, and insert the result at the current cursor position. Version 1.0 focuses on the core workflow: a basic keyboard, an f(x) scientific panel, DEG / RAD trigonometric input, in-keyboard history, and a companion app for setup guidance, basic settings, and About. It does not include accounts, cloud sync, or online computation. Settings stay on the device.

Screenshots

Owlculator4 screens
Calcula Keyboard3 screens

Verdict

The call

The clearest difference is in-app purchases: Calcula Keyboard at none against Owlculator's 1. Owlculator's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Owlculator sells 1 one-off in-app purchase. Calcula Keyboard asks for nothing beyond the download.

UpkeepUpdate frequency

Owlculator ships an update every 4 days, Calcula Keyboard every 2 weeks. The most recent releases landed on September 11, 2026 and September 6, 2026 respectively.

Scorecard2 real differences Β· 4 level
Owlculator versus Calcula Keyboard: the parameters behind the verdict, then further details
ParameterOwlculatorCalcula Keyboard
PriceFreeFree
Update frequencyEvery 4 days β€” betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad β€” betteriPhone
Requires iOS17.0 β€” better18.0
Further details β€” not scored
Size2 MB2 MB
Age rating4+4+
DeveloperFishington Studios锦珍 ι»„

In-app purchases

1 purchases

Owlculator

One-time1
  • Upgrade to Pro$4.99
None

Calcula Keyboard

No in-app purchases

Questions

Is Owlculator free?
Owlculator is free to download, with in-app purchases available.
Is Calcula Keyboard free?
Calcula Keyboard is free to download, with no in-app purchases.
Do Owlculator or Calcula Keyboard have ads?
Neither Owlculator nor Calcula Keyboard shows ads.
Which is updated more often, Owlculator or Calcula Keyboard?
Owlculator ships an update every 4 days, and Calcula Keyboard every 2 weeks. Most recently, Owlculator was updated on September 11, 2026 and Calcula Keyboard on September 6, 2026.

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