Calculator for All vs OKOterm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator for All
A powerful and versatile calculator for all your Apple devices. Edit complex expressions, sync history across devices, and enjoy a clean, ad-free experience. Unlock advanced features like unit conversion and fraction support with an optional upgrade.
- Edit expressions without limitations
- Instant results
- Sync calculation history across devices
- Unit conversion (currencies, physical units)
- Fraction support
- Customizable themes
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Calculator Solves is a well-made app for your iPhone, iPad, Mac, and Apple Watch. It allows you to edit expressions in any place and get instant result updates. It keeps your calculation history in sync on all devices and lets you to easily interact with it. It makes it easier to convert the units you use frequently. And all this for free and without ads! By unlocking the full version you also get: • All Conversions: currencies (with crypto, metals & energy), physical units, and your own! • History Tools: comment, bookmark, export, auto clear, and more • Fractions • More Themes • Advanced Settings Hand-typed code. No generative AI was used during the development or by the app itself. The full version requires one payment only. You will own it forever on all devices.
OKOterm
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Наши современные решения позволяют обеспечивать непрерывный контроль на любых типах объектах по нескольким параметрам: - температура - уровень влажности - освещённость - местоположение
Screenshots
Verdict
The clearest difference is in-app purchases: OKOterm at none against Calculator for All's 1. OKOterm also leads on update cadence (every 4 days vs every 4 weeks). Calculator for All's advantage is device support (5 vs 3). On price, ads 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. Calculator for All sells 1 one-off in-app purchase. OKOterm asks for nothing beyond the download.
Calculator for All ships an update every 4 weeks, OKOterm every 4 days. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.
| Parameter | Calculator for All | OKOterm |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (385 ratings) — better | — |
| Positive reviews | 90.6% of reviews | — |
| Number of ratings | 385 — better | — |
| Update frequency | Every 4 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15 | 14.0 — better |
| Further details — not scored | ||
| Size | 83 MB | 17 MB |
| Age rating | 4+ | 17+ |
| Developer | Oleg Barinov | Artem Shitik |
Bugs and requests
Calculator for All
Reported bugs
4 issues- Crashes when pressing certain buttons
- Issues with parsing complex expressions
- Incorrect results for some calculations
- Problems with history clearing or syncing
Requested features
6 requests- Add support for fractions and mixed numbers
- Implement a widget for quick access
- Allow resizing the app window on Mac
- Provide more customization options
- Add support for Apple Watch
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- Improve unit conversion experience
OKOterm
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator for All
- Solves+$9.99
OKOterm
No in-app purchases
