CalBasic vs Glo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalBasic
A straightforward calculator app designed for simplicity. It features color-coded buttons for easy identification and a clean interface. Ideal for quick calculations on your mobile device.
- Basic calculator functionality
- Color-coded buttons
- Simple and clean interface
- Designed for quick calculations
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A basic calculator with color coded buttons.
Glo
This scientific calculator features a unique rainbow glow animation and haptic feedback for each button press. It offers a full range of scientific functions, DEG/RAD mode switching, and a calculation history that can be easily copied to your clipboard.
- Scientific functions (sin, cos, tan, log, ln, sqrt, exponents)
- DEG/RAD mode switching
- Calculation history
- Copy results to clipboard
- Haptic feedback on button press
- Rainbow glow animation
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Glo-CALCULATO is a fully original scientific calculator wrapped in a continuously rotating rainbow glow - built from the ground up by De'Jahn Bell and FOOD4THOTH. Every button pulses with a full-spectrum rainbow border. The calculator body swirls with color. A hand-drawn smiley face greets you on launch and gently fades when you start calculating - bring it back by tapping AC. SCIENTIFIC FUNCTIONS - Sine, Cosine, Tangent (sin, cos, tan) - Log base-10 (log) and Natural Log (ln) - Square Root, Exponents (^) - Pi and Euler's number (e) - Parentheses for complex expressions - All standard arithmetic: +, -, x, / DEG / RAD MODE Tap the DEG/RAD badge on the display to switch angle modes instantly. In DEG mode, sin(90) = 1, exactly as expected. Trig functions automatically adjust to the selected mode. CALCULATION HISTORY Every result you calculate is saved to a scrollable history panel above the calculator. Tap any past result to load it back into the display and continue from where you left off. Clear history any time with one tap. COPY TO CLIPBOARD Tap the copy icon on the display to copy your current expression or result to the clipboard. A confirmation flash shows you exactly what was copied - paste it anywhere. HAPTIC FEEDBACK Every button press responds with a precise haptic tap. The equals button gives a stronger pulse for that satisfying finish. COMPLETELY FREE No ads. No subscriptions. No in-app purchases. No account required. Just open it and calculate. Glo-CALCULATO is born from the creative universe of FOOD4THOTH - where math meets color, and every calculation feels magical.
Screenshots
Verdict
The clearest difference is update cadence: Glo at every 3 weeks against CalBasic's every 22 months. CalBasic's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases 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.
On the App Store both sit at effectively the same score — 5.0 for CalBasic against 5.0 for Glo. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
CalBasic ships an update every 22 months, Glo every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | CalBasic | Glo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 22 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 1 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Arun Mahasenan | DeJahn Bell |
Customer experience
CalBasic
Glo
In-app purchases
CalBasic
No in-app purchases
Glo
No in-app purchases









