Image Calculator vs Glo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Image Calculator
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Simple calculator. You can see the calculation history. The number displayed on the calculator display can be saved. How to use Percent calculation 10% of 50 50 % 10 = 5 300 plus 10% of 300 300 + 10 % = 330 Subtract 20% of 100 to 100 100 - 20 % = 80 AC Delete all of the calculation. C Move the calculation back one step. ( The previous one is displayed, is displayed the next on input. ) Delete the last digit of the numbers. Swipe the calculator display sideways. ( Copy, Paste, Save ) Numbers on calculator display Tap calculator display. Swipe the row of setting buttons to the right to reveal the memory button. ( iPhone portrait orientation ) To edit the title of the saved numbers. Long press the title. It is calculated by the same calculation method as a general calculator.
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 Image Calculator's every 50 months. Glo also leads on iOS requirement (15.1 vs 17.0). On price, ads, 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.
Image Calculator ships an update every 50 months, Glo every 3 weeks. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.
| Parameter | Image Calculator | Glo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 50 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 372 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomoki Hagano | DeJahn Bell |
In-app purchases
Image Calculator
No in-app purchases
Glo
No in-app purchases









