Calculator ⁺⁻ vs Servi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Servi
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ServiGo es la forma más simple y rápida de conectar personas que necesitan resolver un problema con profesionales calificados. Ya sea que necesites un plomero, electricista, gasista, cerrajero, técnico, profesor o cualquier otro servicio, con ServiGo encontrás profesionales cerca tuyo de manera fácil y segura. Si sos prestador de servicios, ServiGo te ayuda a conseguir nuevos clientes, administrar tus solicitudes y hacer crecer tu actividad. Características principales: • Encontrá profesionales por categoría y ubicación. • Solicitá servicios en pocos pasos. • Adjuntá fotos para explicar tu necesidad. • Chateá directamente con el profesional. • Seguí el estado de tus solicitudes. • Calificá la calidad del servicio recibido. • Perfiles verificados. • Sistema de reputación con calificaciones. • Notificaciones en tiempo real. • Diseño moderno y fácil de usar. Para prestadores: • Creá tu perfil profesional. • Elegí las categorías en las que trabajás. • Recibí nuevas solicitudes de clientes. • Administrá tus trabajos desde una sola aplicación. • Mostrá tus trabajos realizados y certificaciones. • Construí tu reputación mediante las calificaciones de tus clientes. ServiGo conecta personas y soluciones, haciendo que encontrar ayuda o conseguir nuevos clientes sea más rápido, seguro y sencillo.
Screenshots
Verdict
The clearest difference is update cadence: Servi at monthly against Calculator ⁺⁻'s every 15 months. 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.
Calculator ⁺⁻ ships an update every 15 months, Servi monthly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.
| Parameter | Calculator ⁺⁻ | Servi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (42 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 42 — better | — |
| Update frequency | Every 15 months | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 10 MB |
| Age rating | 4+ | 17+ |
| Developer | Matrix Software Co. | Santiago Agustin Fiammella Velardi |
In-app purchases
Calculator ⁺⁻
No in-app purchases
Servi
No in-app purchases









