# PicChat vs Calculator ⁺⁻

The clearest difference is rating: Calculator ⁺⁻ at 4.7 against PicChat's 2.5. Calculator ⁺⁻ also leads on ratings volume (40 vs 2). PicChat's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Calculator ⁺⁻ holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: Calculator ⁺⁻ has 40 ratings behind it against 2, so its average is the more settled of the two.

PicChat ships an update every 19 months, Calculator ⁺⁻ every 15 months. The most recent releases landed on September 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PicChat | Calculator ⁺⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/picchat/id541503648/reviews) | **[4.7 (40 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews)** |
| Number of ratings | 2 | **40** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 15 months** |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 4 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gadget Labo, Inc.](https://appshunter.io/developer/541504091) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### PicChat

[App page](https://appshunter.io/ios/app/picchat/id541503648)

This app allows users to send images of handwriting via Bluetooth. It offers a simple and intuitive way to engage in picture chats with others. Enjoy easy communication through visual messages.

**Highlights:** Handwriting image communication, Bluetooth connectivity, Simple operation, Picture chat functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator ⁺⁻

[App page](https://appshunter.io/ios/app/calculator/id6443813573)

This app offers both basic and scientific calculation functions for iPhone and iPad. Users can customize its appearance, view calculation history, and perform complex equations with high accuracy. It also provides real-time calculation display and adjustable touch feedback.

**Highlights:** Basic and scientific calculator modes, Over 30 scientific operations, Calculation history view, Real-time calculation display, Customizable color themes, Adjustable button touch sound/vibration, High accuracy calculations (75+ significant digits)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PicChat free?

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

### Is Calculator ⁺⁻ free?

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

### Which has better reviews, PicChat or Calculator ⁺⁻?

Calculator ⁺⁻ is rated higher. PicChat averages 2.5 out of 5 from 2 ratings, while Calculator ⁺⁻ averages 4.7 from 40 ratings.

### Do PicChat or Calculator ⁺⁻ have ads?

Calculator ⁺⁻ shows ads; PicChat does not.

### Which is updated more often, PicChat or Calculator ⁺⁻?

PicChat ships an update every 19 months, and Calculator ⁺⁻ every 15 months. Most recently, PicChat was updated on September 21, 2026 and Calculator ⁺⁻ on October 8, 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.*