Janus Calculator vs Cue Cards
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Janus Calculator
This app offers a unique dual-calculator interface, supporting both standard and Reverse Polish Notation. It features programmable functions, extensive scientific and financial tools, and includes physical constants and an advanced option calculator.
- Dual calculator interface (Standard and RPN)
- Programmable functions
- Finance and scientific functions
- Physical constants
- Black-Scholes option calculator
- Implied value calculation
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Two-sided calculator. Side A uses Standard Notation, Side B uses Reverse Polish Notation. Both calculators are programmable, include various finance and scientific functions, and the values of 45 physical constants. Also includes a Black-Scholes option calculator, including calculation of implied values for each of the inputs.
Cue Cards
This app helps you prepare and deliver speeches or presentations by organizing your notes into digital cards. Easily navigate between cards, edit content, and utilize features like a timer and a non-dimming screen for smooth delivery.
- Digital cue cards for speeches
- Easy navigation with swipes
- Card flipping with two-finger swipe
- Edit cards on iPhone, iPad, and Mac
- Add titles, colors, and timers to cards
- Screen stays active during use
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Carry your next great speech in your pocket! Cue Cards is the perfect app to help you give your next presentation or speech • Easily read cards from a distance (podium, desktop, etc.) • Transition from one card to the next and back with an up or down swipe of a finger • Flip a card over with a right or left two finger swipe • Edit individual cards directly on your iPhone or iPad, or macOS • Add titles to cards • Add colors to cards • Add a timer to each card • Screen will not dim or lock while viewing cards Purchase includes Cue Cards for iOS, iPadOS and macOS.
Screenshots
Verdict
The clearest difference is review sentiment: Janus Calculator at 83% against Cue Cards's 33%. Janus Calculator also leads on price (Free vs $1.99) and rating (2.0 vs 1.0). Cue Cards's advantage is update cadence (every 3 months vs every 45 months) and iOS requirement (18.6 vs 26.2). On ratings volume, ads, in-app purchases 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
Janus Calculator is free to download; Cue Cards costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Janus Calculator holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 83% of Janus Calculator's written reviews are positive against 33% of Cue Cards's.
Janus Calculator ships an update every 45 months, Cue Cards every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Janus Calculator | Cue Cards |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 2.0 (1 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 83.3% of reviews — better | 33.3% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 45 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 26.2 | 18.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Geoffrey Domm | Steve Brost |
Customer experience
Janus Calculator
Cue Cards
In-app purchases
Janus Calculator
No in-app purchases
Cue Cards
No in-app purchases
