Graycode vs Force Unit Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Graycode
This utility converts numbers between decimal, hexadecimal, binary, and Gray code formats. Changes to one value automatically update the others, making it a convenient tool for engineers. It also features an animated demonstration of the Tower of Hanoi puzzle.
- Decimal, hex, binary, Gray code conversion
- Real-time updates
- Handy calculator for engineers
- Animated Tower of Hanoi solution
- Supports iPhone, iPad, iPod
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This app is used to convert numbers among decimal, hex, binary and gray code. If a user changes any one of these numbers, the other ones will change accordingly. It is a handy calculator for engineers to obtain the binary or gray code values from a decimal, or vise versa. In addition, an animated solution of a Hanoi Tower with three disks is also demonstrated based on the input number.
Force Unit Converter
Easily convert force measurements between eight different units. Input a value and select the desired unit to see conversions for newton, dyne, kilogram-force, and more. This utility simplifies complex force calculations.
- Converts 8 types of force units
- Supports Newton (N), kN, dyne (dyn)
- Includes kilogram-force (kgf), gf, tf
- Converts pound-force (lbf) and poundal (pdl)
- Simple input and unit selection
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The Force Unit Converter application converts the force into 8 types of units. The units to be converted by this application are newton N, kN, dyne dyn, kilogram-force kgf, gf, tf, pound-force lbf, and poundal pdl. Simply input the force value and select the unit of force with the unit selection button, it will be converted into 8 types of units.
Screenshots
Verdict
The clearest difference is price: Force Unit Converter at Free against Graycode's $2.99. Force Unit Converter also leads on rating (5.0 vs 3.0). Graycode's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.6). On ratings volume, 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
Force Unit Converter is free to download; Graycode costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Force Unit Converter holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.
Both ship on a similar rhythm, roughly every 10 months. The most recent releases landed on September 25, 2026 and October 10, 2026 respectively.
| Parameter | Graycode | Force Unit Converter |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 3.0 (2 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 10 months | Every 10 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Duo Pisceses, Inc. | Kei Suefuji |
Customer experience
Graycode
Force Unit Converter
In-app purchases
Graycode
No in-app purchases
Force Unit Converter
No in-app purchases
Questions
Is Graycode free?
Is Force Unit Converter free?
Which has better reviews, Graycode or Force Unit Converter?
Do Graycode or Force Unit Converter have ads?
Which is updated more often, Graycode or Force Unit Converter?
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