# Janus Calculator vs Squiddle

The clearest difference is rating: Squiddle at 5.0 against Janus Calculator's 2.0. Squiddle also leads on update cadence (every 2 months vs every 45 months). Janus Calculator's advantage is device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Squiddle holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Janus Calculator ships an update every 45 months, Squiddle every 2 months. The most recent releases landed on June 3, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Janus Calculator | Squiddle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/janus-calculator/id373378721/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/squiddle/id1161266643/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 11 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Geoffrey Domm](https://appshunter.io/developer/373378724) | [Think Tank Productions](https://appshunter.io/developer/438070192) |

## What reviewers say

### Janus Calculator

[App page](https://appshunter.io/ios/app/janus-calculator/id373378721)

This app offers a unique dual-calculator interface, supporting both standard and Reverse Polish Notation. It features programmable functions, extensive scientific and financial tools, and includes physical constants and an advanced option calculator.

**Highlights:** Dual calculator interface (Standard and RPN), Programmable functions, Finance and scientific functions, Physical constants, Black-Scholes option calculator, Implied value calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Squiddle

[App page](https://appshunter.io/ios/app/squiddle/id1161266643)

This app allows you to quickly sketch ideas, notes, or reminders using your finger on your phone. You can then save these doodles, share them with others, or upload them to cloud storage. It's a fun and flexible way to capture thoughts on the go.

**Highlights:** Finger sketching and note-taking, Save and share doodles, Cloud storage integration, Mark up photos and images, Set doodle reminders, Organize notes with tags

**In-app purchases:** none


## Frequently asked questions

### Is Janus Calculator free?

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

### Is Squiddle free?

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

### Which has better reviews, Janus Calculator or Squiddle?

Squiddle is rated higher. Janus Calculator averages 2.0 out of 5 from 1 ratings, while Squiddle averages 5.0 from 1 ratings.

### Do Janus Calculator or Squiddle have ads?

Neither Janus Calculator nor Squiddle shows ads.

### Which is updated more often, Janus Calculator or Squiddle?

Janus Calculator ships an update every 45 months, and Squiddle every 2 months. Most recently, Janus Calculator was updated on June 3, 2026 and Squiddle on September 17, 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.*