d20 Calculator vs Instant Note for Notion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
d20 Calculator
This app is a specialized calculator for tabletop role-playing games. It allows users to input complex dice roll combinations, including additions, subtractions, multiplications, and divisions, and provides instant results. Save custom rolls and enjoy realistic sound effects for an enhanced gaming experience.
- Calculate complex dice combinations
- Support for any dice type (dx)
- Save and label frequently used rolls
- Dice roll sound effects
- Add, subtract, multiply, and divide dice
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A calculator for table top games. Enter any combination of die and get the result instantly. It can be as simple as "1d4" and as complex as "(3d100 + 5d7) x 3d2". No need to add up all the numbers yourself. d20 Calculator is a useful tool for any RPG or tabletop game. Features: - Save your frequently used rolls with labels to help you identify which rolls belong to which attacks. - "dx" button lets you roll any type of dice needed.. ever need a d7? - Add, subtract, multiply, and divide any combination of dice. - Dice roll sound effect so everyone know you're not cheating. - 6 stylish themes available.
Instant Note for Notion
Quickly capture and tag notes directly to your Notion workspace. Supports offline saving and lock screen widgets for instant access. Unlock advanced features like home screen widgets and tag creation with a Pro subscription.
- Quick note capture
- Tagging system
- Lock screen widget
- Offline note saving
- Official Notion authorization
- Home screen widgets
- Create tags in-app
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The quickest way to save tagged notes to Notion. Quick: it only takes seconds to write and tag a note. Add a Lock Screen widget to start writing even faster. Secure: use the official Notion authorisation method, without generating your tokens manually. Your data is transmitted directly to Notion. Offline: notes saved without internet connection will be sent later. Get the "Instant Notion Pro" subscription to use additional features: Home Screen Widgets: create widgets with your tags and start creating notes even faster Create tags in the app: add new tags without opening Notion Multiple databases: quickly switch between all of the shared databases Saved notes: view all of the saved notes - also offline. You can copy each note or open it in Notion Licensed application end user license agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Instant Note for Notion at every 2 weeks against d20 Calculator's every 5 months. d20 Calculator's advantage is ratings volume (343 vs 90) and iOS requirement (9.0 vs 18.0). On price, rating, review sentiment 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
Both are free to download. d20 Calculator sells 1 one-off in-app purchase and Instant Note for Notion sells 13 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for d20 Calculator against 4.8 for Instant Note for Notion. Both are backed by a comparable volume of ratings — 343 and 90 respectively. Written reviews are what separate them: 85% of d20 Calculator's written reviews are positive against 81% of Instant Note for Notion's.
d20 Calculator ships an update every 5 months, Instant Note for Notion every 2 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.
| Parameter | d20 Calculator | Instant Note for Notion |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (343 ratings) | 4.8 (90 ratings) — better |
| Positive reviews | 85.5% of reviews — better | 81.5% of reviews |
| Number of ratings | 343 — better | 90 |
| Update frequency | Every 5 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 12 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | Lion's Den | Michal Zolnieruk |
Customer experience
d20 Calculator
Instant Note for Notion
Bugs and requests
d20 Calculator
Reported bugs
3 issues- Crashes when attempting to purchase the full version
- Crashes when trying to save more than one dice roll
- Ads still present even after purchasing the full version
Requested features
4 requests- Add support for iPad multitasking features
- Implement option to re-roll 1s or discard certain dice
- Improve saved roll management (e.g., ability to edit saved rolls)
- Add a character creation feature (4d6 drop lowest)
Instant Note for Notion
Not enough reviews yet to summarise bugs or requests.
In-app purchases
d20 Calculator
- Full Version$0.99
Instant Note for Notion
- Pro$2.991 Month
- Pro$4.491 Month
- Instant Notion Pro$7.491 Month
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- Pro$9.493 Months
- Pro$9.791 Year
- Pro3 Days trial$9.891 Year
- Pro$9.891 Month
- Pro$14.991 Year
- Pro$19.991 Year
- Pro$24.491 Year
- Pro (Lifetime)$17.90
- Pro (Lifetime)$24.49
- Pro (Lifetime)$29.49
Questions
Is d20 Calculator free?
Is Instant Note for Notion free?
Which has better reviews, d20 Calculator or Instant Note for Notion?
Do d20 Calculator or Instant Note for Notion have ads?
Which is updated more often, d20 Calculator or Instant Note for Notion?
Other comparisons
