PicChat vs Calculator ⁺⁻
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PicChat
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.
- Handwriting image communication
- Bluetooth connectivity
- Simple operation
- Picture chat functionality
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You can communicate an image of the handwriting by Bluetooth. Anyone can easily enjoy a picture chat by simple operation.
Calculator ⁺⁻
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.
- 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)
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Calculator for iPad and iPhone is an easy to use that includes both a standard and scientific calculator. Calculator app allows you to: • Customize the look of the application by changing the color • Choose between a basic calculator or scientific calculator with more than 30 scientific operations • View history of your calculations on the History Tab • View an equation of your current calculations • Calculate with accuracy to more than 75 significant digits • Use parenthesis and nested parenthesis in your calculations • Change button touch sound with vibration • Displays real time calculation
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | PicChat | Calculator ⁺⁻ |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 4.7 (40 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 2 | 40 — better |
| Update frequency | Every 19 months | Every 15 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Gadget Labo, Inc. | Matrix Software Co. |
Customer experience
PicChat
Calculator ⁺⁻
In-app purchases
PicChat
No in-app purchases
Calculator ⁺⁻
No in-app purchases
Questions
Is PicChat free?
Is Calculator ⁺⁻ free?
Which has better reviews, PicChat or Calculator ⁺⁻?
Do PicChat or Calculator ⁺⁻ have ads?
Which is updated more often, PicChat or Calculator ⁺⁻?
Other comparisons
