Calculator⁻ vs Lamp Off
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator⁻
A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.
- Basic arithmetic operations
- Percentage calculations
- Record and recall results
- Customizable colors
- Touch sound option
Read full descriptionHide full description
It is a simple and easy calculator. It is a simple calculator with no complex functions at all. Features: Addition, subtraction, multiplication, division, percent operation Recording and recalling calculation results The numbers, operators, parentheses, results Custom colors Use touch sound Very useful for school children
Lamp Off
Read full descriptionHide full description
Con la nuova app "Lamp Off" smetti di perdere tempo in lunghe attese telefoniche per segnalare un guasto elettrico dell'Illuminazione Pubblica. In pochissimi passi accedi all'app senza credenziali particolari, compili il form di segnalazione guasto e nel più breve tempo i nostri migliori tecnici provvederanno alla riparazione. Sarai sempre aggiornato su tutti gli sviluppi che la tua segnalazione acquisisce. Infatti, ti invieremo una mail per aggiornarti periodicamente. Il servizio è attivo nel comune di Calimera(LE). Cosa aspetti? Scarica subito Lamp Off.
Screenshots
Verdict
The clearest difference is ads: Lamp Off at none against Calculator⁻'s shown. Calculator⁻'s advantage is update cadence (every 2 months vs every 47 months). On price, in-app purchases, device support and iOS requirement 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⁻ ships an update every 2 months, Lamp Off every 47 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.
| Parameter | Calculator⁻ | Lamp Off |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (3.6K ratings) — better | — |
| Positive reviews | 52.0% of reviews | — |
| Number of ratings | 3.6K — better | — |
| Update frequency | Every 2 months — better | Every 47 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | UniCom Technology | Betastudio s.r.l. |
Bugs and requests
Calculator⁻
Reported bugs
3 issues- Decimal point problem: .5 becomes 5
- Button that should be 7 shows as 9 and gives 9 when used
- Percentage button does not work correctly
Requested features
3 requests- Backspace button
- Percentage button that works properly
- Arrange buttons in standard calculator layout
Lamp Off
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator⁻
No in-app purchases
Lamp Off
No in-app purchases
Questions
Is Calculator⁻ free?
Is Lamp Off free?
Do Calculator⁻ or Lamp Off have ads?
Which is updated more often, Calculator⁻ or Lamp Off?
Other comparisons
