Better Calculator vs Zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Better Calculator
Perform calculations with extreme precision, supporting up to one million digits. This open-source tool is ideal for complex mathematical tasks.
- High precision calculations
- Up to one million digits
- Open source
- Bug reporting via GitHub
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This high precision calculator is an open source hobby project. If you find a bug, you can create an issue at https://github.com/joachimneumann/Calculator
Zero
This tool helps calculate the optimal strategy allocation for two players in a zero-sum game. Input your strategies, and it will determine the frequency each should be used for sports, politics, or military scenarios.
- Zero-sum game strategy calculation
- Optimal allocation determination
- Supports sports, politics, military
- Frequency of strategy employment
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This is a zero-sum game calculator. It is used to help determine the proper allocation of a finite list of strategies for two players in a zero-sum game (e.g. sports games, political campaigns, military operations). You provide the inputs, and the calculator will determine how often each strategy should be employed.
Screenshots
Verdict
The clearest difference is review sentiment: Zero at 100% against Better Calculator's 42%. Zero also leads on rating (5.0 vs 3.1) and iOS requirement (12.0 vs 15.0). Better Calculator's advantage is update cadence (weekly vs every 22 months) and device support (4 vs 2). On price, ads, in-app purchases and monetization model 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.
Zero holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 42% of Better Calculator's written reviews are positive against 100% of Zero's.
Better Calculator ships an update weekly, Zero every 22 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Better Calculator | Zero |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (7 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 41.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | 2 |
| Update frequency | Weekly — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Joachim Neumann | Troy McCurry |
Customer experience
Better Calculator
Zero
In-app purchases
Better Calculator
No in-app purchases
Zero
No in-app purchases
