Calculator vs Calculator Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.
- Basic calculations
- Over 80 themes
- Theme customization
- Easy to use interface
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Calculators (8 modes): Basic — everyday four-function calculator Scientific — trig, logs, powers, roots Tip & Split — tip, total, and per-person split Discount — sale price and how much you save (with tax) Loan — monthly payment with interest Savings — grow a balance over time Unit Price — compare price per unit Convert — length, weight, volume, temperature Personalization: 70+ themes (photo backgrounds, textures, solids) Any accent colour — pick a swatch or dial a custom shade on the colour wheel
Calculator Plus
This free iPad application offers a large, easy-to-read interface for performing basic calculations. Its user-friendly controls ensure immediate usability for everyday mathematical needs.
- Large, easy-to-read display
- User-friendly controls
- Basic calculations
- Free to use
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Calculator, unit converter, and bill splitter in one iPad app Calculator Basic arithmetic plus percentage, sign toggle, and saved calculation history. Long-press the total to copy it. Unit Converter Convert length (cm/inch/m/ft), weight (g/kg/lb/oz), temperature (Celsius/Fahrenheit), area (square meters/tsubo/tatami), and data storage (MB/GB/TB) — right from the calculator screen. Split Bill Enter the total and the number of people to instantly see each person's share, including service charge or tip. Handy for travel, shopping abroad, apartment hunting, and everyday life.
Screenshots
Verdict
The clearest difference is in-app purchases: Calculator Plus at none against Calculator's 1. Calculator Plus also leads on review sentiment (83% vs 52%). Calculator's advantage is ratings volume (146K vs 2.2K) and device support (3 vs 1). On price, rating, update cadence 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. Calculator sells 1 one-off in-app purchase. Calculator Plus asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Calculator against 4.5 for Calculator Plus. That said, the two scores are not equally well evidenced: Calculator has 146K ratings behind it against 2.2K, so its average is the more settled of the two. Written reviews are what separate them: 52% of Calculator's written reviews are positive against 83% of Calculator Plus's.
Calculator ships an update every 4 weeks, Calculator Plus every 2 weeks. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.
| Parameter | Calculator | Calculator Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (146K ratings) | 4.5 (2.2K ratings) |
| Positive reviews | 51.5% of reviews | 82.6% of reviews — better |
| Number of ratings | 146K — better | 2.2K |
| Update frequency | Every 4 weeks | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 82 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | The App Tower Inc. | Studio Zebra |
Customer experience
Calculator
Calculator Plus
User reviews
Calculator
From 146K App Store ratingsWhat we love
- 👍 Easy to use
- 🎨 Customizable backgrounds
- 💯 Accurate calculations
- 🆒 Unique design
- 🔍 Helpful for schoolwork
Room to improve
- 💸 Ads disrupt usage
- 🔒 Requires payment to remove ads
- 🔀 Cannot rotate to landscape mode
- 🐛 Occasional calculation errors
- 📵 Freezes during use
Calculator Plus
From 2.2K App Store ratingsWhat we love
- 👍 Easy to use
- 👍 Large, clear numbers
- 👍 Simple and straightforward
- 👍 Great for basic calculations
- 👍 Convenient on iPad
Room to improve
- 🐛 Decimal point issues
- 🐛 Inaccurate percentage calculations
- 💡 Lack of history/memory
- 💡 No backspace/undo function
- 🔍 Ads can be distracting
Bugs and requests
Calculator
Reported bugs
2 issues- Ads freeze the app
- Incorrect results for certain calculations
Requested features
4 requests- Add fraction support
- Implement a calculation history feature
- Provide more background theme options
- Allow landscape mode on tablets
Calculator Plus
Reported bugs
2 issues- Decimal point not working properly
- Incorrect percentage calculations
Requested features
3 requests- Add backspace/undo function
- Improve decimal point and percentage calculations
- Provide option to remove ads
In-app purchases
Calculator
- Ad Free Calculator$4.99
Calculator Plus
No in-app purchases
Questions
Is Calculator free?
Is Calculator Plus free?
Which has better reviews, Calculator or Calculator Plus?
Do Calculator or Calculator Plus have ads?
Which is updated more often, Calculator or Calculator Plus?
Other comparisons
