Base to Base Converter vs PFD Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
PFD Calc
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The app calculates prime factorization.
Screenshots
Verdict
The clearest difference is ads: Base to Base Converter at none against PFD Calc's shown. On price, update cadence, 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.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.
| Parameter | Base to Base Converter | PFD Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuri Morozov | Kazuhisa Kobayashi |
In-app purchases
Base to Base Converter
No in-app purchases
PFD Calc
No in-app purchases
Questions
Is Base to Base Converter free?
Is PFD Calc free?
Do Base to Base Converter or PFD Calc have ads?
Which is updated more often, Base to Base Converter or PFD Calc?
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