Calculator vs Esther App
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 ease of use with large, legible digits. It offers a simple interface for quick calculations on mobile devices.
- Large, clear numbers
- Simple interface
- Easy calculations
- Mobile-friendly design
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A very simple calculator with big and clear numbers
Esther App
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https://www.youtube.com/watch?v=tdiJA_wztr0 THIS IS THE APP VERSION (Install this version in the device that you always carry with you) VIGIA VERSION: https://esther.app Install Esther and make your old phone a security device. It will inform you the status of your home: the power network, the internet status and you will be able to take pictures and videos. This App version of Esther is the client version. We are committed to protect your privacy. Esther never asks for you personal information, therefore your identity is protected. When you take pictures or videos, Esther works with an end-to-end encryption, only you can decrypt the multimedia content.
Screenshots
Verdict
The clearest difference is ads: Esther App at none against Calculator's shown. Esther App also leads on update cadence (every 5 days vs every 15 months) and iOS requirement (10.0 vs 13.0). On price, 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, Esther App every 5 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.
| Parameter | Calculator | Esther App |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (5 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 15 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | ABCiSoft | Senzil S.R.L. |
In-app purchases
Calculator
No in-app purchases
Esther App
No in-app purchases
