myNODE vs Calculator C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
myNODE
This application connects to a handheld wireless sensor platform, allowing users to view device information and manage settings. It streams real-time data from the sensor to your smart device for various applications.
- View device info (battery, signal, serial)
- Manage device settings (data logging, quiet mode)
- Stream real-time sensor data
- Connects to NODE sensor platform
- Access other NODE+ apps
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At Variable, Inc. we make sensory platforms that connect apps and smart devices to the real world, in new ways. NODE is a handheld, wireless, sensor platform that is transforming how we gather, process and use sensory data from the world around us. Combining advanced motion-sensing technology with interchangeable sensor modules to stream real-time information to any smart device. + This application requires an iPhone 4s (or newer) or an iPad 3 (or newer), or an iPad Mini, and a NODE sensor device. This app allows you to view device info (battery level, signal strength, serial numbers, firmware version, etc), manage device settings (data logging, quiet mode, name, etc), and provides access to our other NODE+ apps. Please see our website at www.variableinc.com for more information.
Calculator C
This utility app offers a calculator with advanced features like formula history, automatic totals, and customizable button placement for one-handed use. Easily reuse past calculations, copy results, and share your work.
- Adjustable button positions
- Formula and history display
- Automatic calculation aggregation
- Share calculation results
- Clipboard copy
- Reuse history entries
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Every formula and result stays on screen — a calculator that shows its work. Totals, tax, and statistics (max, min, average) are all calculated for you. Move the buttons up, down, left, or right for comfortable one-handed use. # Main Features - Formula & history display — see every step, including brackets and square roots - Auto totals & subtotals — add up the numbers in your history - Statistics — max, min, average, and count, calculated for you - Automatic tax — switch between tax-included and tax-excluded in one tap - Export — Text, CSV, Excel, Markdown, JSON, or PDF - Themes — change colours and button shapes - Adjustable button layout — shift keys up, down, left, or right # Great For - Reusing a previous result with a tap on the history - Copying results and history into notes or messages - Checking totals and tax-inclusive prices while shopping
Screenshots
Verdict
The clearest difference is rating: myNODE at 5.0 against Calculator C's 4.4. myNODE also leads on in-app purchases (none vs 1) and ads (none vs shown). Calculator C's advantage is ratings volume (44 vs 1). On price, update cadence 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. Calculator C sells 1 one-off in-app purchase. myNODE asks for nothing beyond the download.
myNODE holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Calculator C has 44 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of myNODE's written reviews are positive against 76% of Calculator C's.
myNODE ships an update every 5 weeks, Calculator C every 3 weeks. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.
| Parameter | myNODE | Calculator C |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.4 (44 ratings) |
| Positive reviews | 100.0% of reviews — better | 76.5% of reviews |
| Number of ratings | 1 | 44 — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 17 |
| Further details — not scored | ||
| Size | 14 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Variable Technologies LLC | DIGITALNAUTS INC. |
Customer experience
myNODE
Calculator C
In-app purchases
myNODE
No in-app purchases
Calculator C
- Remove ads$3.99









