# Otomates vs Calc

The clearest difference is review sentiment: Calc at 78% against Otomates's 33%. Calc also leads on rating (4.1 vs 2.7) and device support (4 vs 2). Otomates's advantage is in-app purchases (none vs 11). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Calc sells 11 one-off in-app purchases. Otomates asks for nothing beyond the download.

Calc holds the better App Store score, 4.1 against 2.7. Both are backed by a comparable volume of ratings — 23 and 48 respectively. Written reviews point the same way: 33% of Otomates's written reviews are positive against 78% of Calc's.

Otomates ships an update fortnightly, Calc weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Otomates | Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (23 ratings)](https://appshunter.io/ios/app/otomates/id6754143501/reviews) | **[4.1 (48 ratings)](https://appshunter.io/ios/app/calc-desktop-mate-widgets/id6782669667/reviews)** |
| Number of ratings | 23 | **48** |
| Positive reviews | 33.3% of reviews | **77.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 186 MB | 156 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Frisson Labs, CO.](https://appshunter.io/developer/942774955) | [インフィニットループ](https://appshunter.io/developer/507088117) |

## What reviewers say

### Otomates

[App page](https://appshunter.io/ios/app/otomates/id6754143501)

This AI companion integrates with your iPhone apps, offering real-time voice conversations and understanding your on-screen activity. It remembers your interactions to build a personalized relationship, providing contextual responses for a more engaging user experience.

**Highlights:** Real-time voice chat, App-aware contextual understanding, Personalized memory and relationship building, Privacy-first design, Conversational AI interaction

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Calc

[App page](https://appshunter.io/ios/app/calc-desktop-mate-widgets/id6782669667)

This app adds a fun, interactive calculator experience with cute character reactions and customizable designs. It also features a unique 'Performance Mode' for playing music and hidden 'SP Answer Actions' for special character responses.

**Highlights:** Cute character reactions with button presses, Customizable calculator themes, Performance Mode for music playback, Hidden SP Answer Actions, Paid character DLCs available, Voice lines for each character

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kasane Teto | $2.99 | one-time |
| Zundamon | $2.99 | one-time |
| Koharu Rikka | $2.99 | one-time |
| Natsuki Karin | $2.99 | one-time |
| Hanakuma Chifuyu | $2.99 | one-time |
| Additional Character MEIKO | $2.99 | one-time |
| Additional Character KAITO | $2.99 | one-time |
| Additional Character Kagamine Rin | $2.99 | one-time |
| Additional Character Kagamine Len | $2.99 | one-time |
| Additional Character Megurine Luka | $2.99 | one-time |
| Additional Character Hatsune Miku | $2.99 | one-time |


## Frequently asked questions

### Is Otomates free?

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

### Is Calc free?

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

### Which has better reviews, Otomates or Calc?

Calc is rated higher. Otomates averages 2.7 out of 5 from 23 ratings, while Calc averages 4.1 from 48 ratings.

### Do Otomates or Calc have ads?

Neither Otomates nor Calc shows ads.

### Which is updated more often, Otomates or Calc?

Otomates ships an update fortnightly, and Calc weekly. Most recently, Otomates was updated on October 24, 2026 and Calc on October 25, 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.*