CharMap vs Numboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CharMap
Explore and manage Unicode characters with this utility. Organize favorites, view details, and copy characters to your clipboard. Use the custom keyboard to insert them anywhere and sync collections across devices.
- Browse curated character categories
- Organize favorite characters
- View character details and copy to clipboard
- Insert characters with custom keyboard
- Discover characters and blocks
- Sync collections across devices
- Preview system fonts
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CharMap allows to you discover, organize, and use unicode characters. FEATURES • Browse a collection of curated character categories, and organize your favourite characters into custom collections. • View character details and copy characters to the clipboard in a variety of formats. • Enable the CharMap keyboard to insert characters wherever custom keyboards are supported. • Discover unicode characters and blocks using a dedicated unicode browser. • Automatically sync your collections between devices. • Quickly access your custom collections using the collection widget. • Browse system fonts and view font metadata. • No ads, trackers, or analytics. Your data is stored on-device, and optionally synced across your private iCloud account.
Numboard
This keyboard app provides over 110 math and science symbols, along with real-time expression evaluation. It functions as a keyboard extension, allowing you to use its advanced features in any application for homework or complex calculations.
- 110+ math and science symbols
- Real-time expression evaluation
- Keyboard extension for any app
- Advanced autocomplete for math
- Intuitive typing and design
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Numboard is the all-in-one keyboard for math and science. More than 110 math symbols, plus advanced autocomplete for math expressions. Your expressions will be evaluated as you type! You can use Numboard in ANY app, just like your default keyboard. Numboard features: + More than 110 specific symbols, including subscripts, superscripts, and more. + Your expressions will be evaluated in real-time when possible! This includes expressions with powers, variables, roots, and more. + Perfect for students: use your iOS device to do your homework! Everything you need is now in one single keyboard. + Quick typing process with intuitive behavior and great design. + Use Numboard in any app, just like your default keyboard. It can be installed as a keyboard extension. Numboard was created in 2015 by a student. Today, our customers include students, teachers, and even schools from all around the world. We listen to our users' feedback and constantly improve the app.
Screenshots
Verdict
The clearest difference is rating: CharMap at 4.0 against Numboard's 2.1. CharMap also leads on in-app purchases (none vs 1) and review sentiment (54% vs 27%). Numboard's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (11.0 vs 26.0). On price, ratings volume, ads 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
Both are free to download. Numboard sells 1 one-off in-app purchase. CharMap asks for nothing beyond the download.
CharMap holds the better App Store score, 4.0 against 2.1. Both are backed by a comparable volume of ratings — 57 and 23 respectively. Written reviews point the same way: 54% of CharMap's written reviews are positive against 27% of Numboard's.
CharMap ships an update every 4 months, Numboard every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | CharMap | Numboard |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (57 ratings) — better | 2.1 (23 ratings) |
| Positive reviews | 53.7% of reviews — better | 26.8% of reviews |
| Number of ratings | 57 — better | 23 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Conor Mulligan | Zetegy LLC |
Customer experience
CharMap
Numboard
Bugs and requests
CharMap
Reported bugs
12 issues- Characters omitted in other apps
- Keyboard looks like white rectangle in some apps
- Private Use Area characters not shown
- Collections feature quit working
- App crashes every time it's opened
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- App crashes on iPad Pro
- App crashes on iPad
- Everything gone after update
- App doesn't open after update
- Some symbols are not shown
- Keyboard not showing up immediately
- Preferences -> font closes app
Requested features
20 requests- Add return/enter key
- Batch add characters to collections
- Multi-font support
- Unicode 18.0 support
- Add Unicode 17.0
Show 15 moreShow fewer
- Ability to select characters with single click
- Add 'raised to the power of x' symbol
- Add superscripts in letter, equation, and inequality form
- Option to format characters (LTR/RTL)
- Make fonts usable in 'Unicode'
- Implement custom font API
- Search for character option
- Search by character name
- Add Sutton SignWriting block
- Add symbol search
- Update UI with SF symbols
- Add dark mode support
- Rename collections
- Backup and Restore collections
- Put collections on top of list when using as keyboard
Numboard
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CharMap
No in-app purchases
Numboard
- Numboard Pro$0.99
