# Calculus doodlus vs IconLab's

The clearest difference is update cadence: IconLab's at weekly against Calculus doodlus's every 6 weeks. IconLab's also leads on review sentiment (100% vs 82%) and rating (5.0 vs 4.8). Calculus doodlus's advantage is ratings volume (584 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Calculus doodlus sells 1 in-app purchase, starting at $4.99 per year and IconLab's sells 6 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

IconLab's holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Calculus doodlus has 584 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 82% of Calculus doodlus's written reviews are positive against 100% of IconLab's's.

Calculus doodlus ships an update every 6 weeks, IconLab's weekly. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Calculus doodlus | IconLab's |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (584 ratings)](https://appshunter.io/ios/app/calculus-doodlus/id465916328/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iconlabs/id6738577546/reviews)** |
| Number of ratings | **584** | 1 |
| Positive reviews | 81.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 678 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stéphan Barbé](https://appshunter.io/developer/313949257) | [Alahem OU](https://appshunter.io/developer/1830992017) |

## 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


### IconLab's

[App page](https://appshunter.io/ios/app/iconlabs/id6738577546)

Personalize your iOS device with custom widgets for dates, times, quotes, and titles. Enhance your charging experience with interactive animations and mini-games. Explore premade and AI-generated themes to refresh your device's look.

**Highlights:** Customizable widgets, Interactive charging animations, Fun charging games, Premade themes, AI-generated themes, No account required

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $3.99 | per 7 days |
| 1 Month | $13.99 | per month |
| 1 Year | $39.99 | per year |
| 150 Tokens For AI Generation | $1.99 | one-time |
| 350 Tokens For Custom Themes | $3.99 | one-time |
| 750 Tokens For Custom Themes | $7.99 | one-time |


## Frequently asked questions

### Is Calculus doodlus free?

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

### Is IconLab's free?

IconLab's is free to download, with in-app purchases available.

### Which has better reviews, Calculus doodlus or IconLab's?

IconLab's is rated higher. Calculus doodlus averages 4.8 out of 5 from 584 ratings, while IconLab's averages 5.0 from 1 ratings.

### Do Calculus doodlus or IconLab's have ads?

Both Calculus doodlus and IconLab's show ads.

### Which is updated more often, Calculus doodlus or IconLab's?

Calculus doodlus ships an update every 6 weeks, and IconLab's weekly. Most recently, Calculus doodlus was updated on November 1, 2026 and IconLab's on November 4, 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.*