# Calculus doodlus vs Tapadito

The clearest difference is rating: Calculus doodlus at 4.8 against Tapadito's 3.4. Calculus doodlus also leads on ratings volume (584 vs 5). Tapadito's advantage is in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Calculus doodlus sells 1 in-app purchase, starting at $4.99 per year. Tapadito asks for nothing beyond the download.

Calculus doodlus holds the better App Store score, 4.8 against 3.4. That said, the two scores are not equally well evidenced: Calculus doodlus has 584 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 82% of Calculus doodlus's written reviews are positive against 100% of Tapadito's, so the app with the better star average is not the one people write more warmly about.

Calculus doodlus ships an update every 6 weeks, Tapadito every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Calculus doodlus | Tapadito |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (584 ratings)](https://appshunter.io/ios/app/calculus-doodlus/id465916328/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/tapadito/id1466235801/reviews) |
| Number of ratings | **584** | 5 |
| Positive reviews | 81.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 13 MB | 24 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stéphan Barbé](https://appshunter.io/developer/313949257) | [Remwes, LLC](https://appshunter.io/developer/1078910876) |

## What reviewers say

### Calculus doodlus

[App page](https://appshunter.io/ios/app/calculus-doodlus/id465916328)

This app offers a multi-page calculator with automatic saving and advanced functions like percentage and VAT calculation. It uniquely presents calculations in an interactive, handwritten style that can be customized with your own script.

**Highlights:** Multi-page interface, Automatic work saving, Percentage calculation, VAT calculation, Customizable handwriting style, Interactive calculation pages

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient and fast
- 💡 Customizable handwritten numbers
- 📋 Keeps calculation history
- 🔢 Helpful percentage calculations

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔍 Difficult to delete past calculations
- 💤 Slow performance after updates
- 🔧 Lacks advanced features

**Reported bugs**

- Calculation results not displaying correctly
- App crashing on launch for some users
- Handwritten numbers not registering properly

**Requested features**

- Add ability to edit/delete individual calculations
- Implement a dark mode option
- Include more advanced math functions
- Allow copying/pasting of individual numbers
- Improve multitasking support


### Tapadito

[App page](https://appshunter.io/ios/app/tapadito/id1466235801)

Protect your personal phone number by using a temporary, disposable number for communication. Ideal for real estate agents or online dating, it allows you to stay in touch without revealing your private contact details.

**Highlights:** Disposable phone numbers, Private communication, Number masking, Temporary contact, Secure messaging

**In-app purchases:** none


## Frequently asked questions

### Is Calculus doodlus free?

Calculus doodlus is free to download, with in-app purchases available.

### Is Tapadito free?

Tapadito is free to download, with no in-app purchases.

### Which has better reviews, Calculus doodlus or Tapadito?

Calculus doodlus is rated higher. Calculus doodlus averages 4.8 out of 5 from 584 ratings, while Tapadito averages 3.4 from 5 ratings.

### Do Calculus doodlus or Tapadito have ads?

Both Calculus doodlus and Tapadito show ads.

### Which is updated more often, Calculus doodlus or Tapadito?

Calculus doodlus ships an update every 6 weeks, and Tapadito every 2 weeks. Most recently, Calculus doodlus was updated on November 1, 2026 and Tapadito on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*