Metamath vs Base to Base Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Metamath
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This app allows you to view the Metamath theorems and their proofs. It has no ads or in-app purchases. Metamath is a system for formalizing and verifying math proofs. For information about Metamath, see the web site us.metamath.org or one of its mirror sites. For a demo of this app, see the youtube video at the url https://www.youtube.com/watch?v=qTOUBEACTz4&list=PLoh8e3Knr9WIEK55cIKwQe5e8CBpA3_ks
Base to Base Converter
This app converts integer and fractional numbers between bases 2 and 16, explaining each step of the conversion process. It offers direct conversions between specific bases and prioritizes minimizing numerical error for fractions.
- Converts between bases 2-16
- Explains conversion steps
- Handles integers and fractions
- Minimizes numerical error
- Direct base conversions
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"Base to Base Converter" converts both integer and fractional numbers to and from all bases between 2(binary) and 16(hexadecimal). Together with performing calculations, it explains the steps in detail. Conversion from base A to base B is done and explained in two stages: 1. Base A to base 10(decimal), 2. Base 10(decimal), to base B. Every effort was made to minimize numerical error when converting fractional numbers. Also available: Direct conversion with explanation of steps: * From base 2(binary) to 4, 8(octal), 16(hexadecimal); * From base 3 to base 9; * From base 4 to base 16(hexadecimal). We welcome suggestions, our e-mail is graphmath@aol.com.
Screenshots
Verdict
The clearest difference is update cadence: Base to Base Converter at every 5 weeks against Metamath's every 34 months. Base to Base Converter also leads on device support (3 vs 1). Metamath's advantage is iOS requirement (12.4 vs 15.0). On price, ads and in-app purchases 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.
Metamath ships an update every 34 months, Base to Base Converter every 5 weeks. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.
| Parameter | Metamath | Base to Base Converter |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 34 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 210 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | William Hale | Yuri Morozov |
In-app purchases
Metamath
No in-app purchases
Base to Base Converter
No in-app purchases
Questions
Is Metamath free?
Is Base to Base Converter free?
Do Metamath or Base to Base Converter have ads?
Which is updated more often, Metamath or Base to Base Converter?
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