Calculator83 vs PhoneBox US
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator83
A minimalist calculator app focused on simplicity and a clean workflow. It offers both basic and scientific modes, allowing users to perform calculations without complex settings. Get started quickly with this straightforward tool.
- Minimalist design
- Clean workflow
- Basic mode
- Scientific mode
- Easy to use
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Calculator83 is a minimalist calculator designed with simplicity to the core and an emphasis on a clean workflow. Be up and running in seconds! Featuring two modes of operation, basic and scientific. The goal of this app is to allow users to have a powerful calculator without the fuss of learning all the settings of a powerful calculator.
PhoneBox US
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With the new PhoneBox App you will be able to access all key features available on our Self-Serve platform: - View recent transactions and pay your bill online. - Review your plan details. - Get exclusive access to deals and promotions available on our app. - New to PhoneBox? Sign-up for a new account. - Register your credit card for auto payment and cancel anytime. - Change your billing information and select your preferred payment method: All major credit cards are accepted. - Update your profile information.
Screenshots
Verdict
The clearest difference is update cadence: PhoneBox US at monthly against Calculator83's every 20 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.
Calculator83 ships an update every 20 months, PhoneBox US monthly. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.
| Parameter | Calculator83 | PhoneBox US |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 20 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 10 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Lyker Labs LLC | Gophonebox |
In-app purchases
Calculator83
No in-app purchases
PhoneBox US
No in-app purchases
