Math keyboard vs Pæan Ring
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Math keyboard
Perform calculations directly from your keyboard without switching apps. This smart helper allows quick math while chatting, taking notes, or entering data. It features calculator memory to save and reuse values, enhancing productivity.
- Built-in calculator keyboard
- Calculator memory function
- No app switching required
- Supports basic and advanced operations
- Minimalist design for productivity
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A Custom Keyboard with a Built-In Calculator — Do the Math Without Switching Apps This smart calculator app is built into your keyboard, so you can perform quick calculations while typing in any app. Whether you're chatting, taking notes, or entering data, this math helper is always ready. Designed as a lightweight, efficient custom keyboard, it functions as a full math keyboard, now with calculator memory to store and reuse values easily. Key Features: - Built-in calculator available directly from the keyboard - Calculator memory for saving and recalling results - No app switching — works in Messages, WhatsApp, Telegram, and more - Supports basic and advanced operations - Clean, minimal design focused on productivity - Perfect for quick math, planning expenses, or typing smarter. Download now and keep your numbers at your fingertips.
Pæan Ring
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Paean: Your Health, Your Data. Unlock the full potential of your Paean Ring. We combine advanced biometric tracking with uncompromising privacy standards. Monitor: HR, Sleep, and Steps around the clock. Analyze: View trend lines and detailed breakdowns of your daily vitality. Protect: Built from the ground up to keep your personal health data secure and private.
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Verdict
The clearest difference is price: Pæan Ring at Free against Math keyboard's $0.99. Pæan Ring also leads on update cadence (every 4 days vs monthly). Math keyboard's advantage is iOS requirement (16.0 vs 26.0). On 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
Pæan Ring is free to download; Math keyboard costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Math keyboard ships an update monthly, Pæan Ring every 4 days. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.
| Parameter | Math keyboard | Pæan Ring |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 3 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Nikolai Rodionov | Shanghai Zero One Intelligence Ltd. |
In-app purchases
Math keyboard
No in-app purchases
Pæan Ring
No in-app purchases
