MX Calculator vs Chirpy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MX Calculator
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StarCalc is a calculator designed for both speed and style. It keeps everyday math simple and efficient, while offering a more expressive visual experience than a standard calculator. Switch between distinct themes like modern, pixel, and retro to make your calculator feel fresh every time you use it. Features: Multiple visual skins with clearly different styles Auto-switch or manually choose your favorite theme Large, readable display with expression preview Fast everyday math with percent, sign toggle, decimals, and core operations Home Screen widget support for direct calculation Clean interaction design built for quick one-handed use StarCalc is a good fit for users who want a calculator that feels practical, polished, and enjoyable to use.
Chirpy
This alarm clock requires users to solve puzzles to turn off their alarms, ensuring they are fully awake. Choose from various puzzle types like math, typing, or scanning an object to get out of bed.
- Puzzle-based alarm dismissal
- Multiple puzzle types (math, typing, color match, scan object)
- Customizable alarms
- Earned snooze function
- Clean, dark interface
- No account required
- Ad-free experience
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Chirpy is the alarm clock for people who snooze through everything. A normal alarm is too easy to dismiss while you're half asleep. Chirpy makes you prove you're actually awake by solving a quick puzzle before the alarm will turn off — so you're up and out of bed instead of back under the covers. PUZZLES THAT WAKE YOU UP Choose how hard you want to work for it: - Math — solve a quick equation - Typing — type out a phrase - Color Match — match the target color - Find the Color — tap the right swatch - Scan an Object — point your camera at a real item to dismiss the alarm (so you have to get up and walk to it) BUILT TO GET YOU OUT OF BED - Set as many alarms as you need - Snooze that still makes you earn it - Clean, dark interface that's easy on early-morning eyes - Meet Chirpy, your wake-up companion who cheers you on SIMPLE AND PRIVATE - No account required - No ads - Your alarms stay on your device Mornings are hard. Chirpy makes sure you actually start yours.
Screenshots
Verdict
MX Calculator and Chirpy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
MX Calculator ships an update weekly, Chirpy every 4 days. Both last shipped on October 25, 2026.
| Parameter | MX Calculator | Chirpy |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | 作甲 盖 | Rudrakshi Patel |
In-app purchases
MX Calculator
No in-app purchases
Chirpy
No in-app purchases








