Comparison

sssQRc vs Dev Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

sssQRc

Features
Read full description

sssQRc はiOS端末の背面カメラを使う、あるいは写真ライブラリ内の画像からQRコードや各種バーコードを読み取り、また書き出す無料のアプリケーションです。 前バージョンより本アプリケーションの広告非表示アドオンの新規購入は終了しておりますが、購入済みのアドオンの復活(リストア)は本アプリケーションから行えます。 ユーザーレビューへのお返事は遠慮させていただきます。また、レビューや評価をお願いすることは決してございません。

About

Dev Calc

This app assists developers and programmers with immediate numeric conversions between binary, octal, decimal, and hexadecimal formats. It also provides tools for generating color codes from RGB, HSL, and HSV values, with a color picker and preset options.

Highlights
  • Numeric conversion (Bin, Oct, Dec, Hex)
  • Signed/Unsigned options
  • Adjustable bit sizes (8, 16, 32, 64)
  • RGB, HSL, HSV color code generation
  • Color picker
  • Preset color options
Features
Read full description

You can convert numeric to Bin, Oct, Dec, Hex immediately with Signed, Unsigned. ** Introduction ** This is a calculator app to help System Developers and Programmers. Convert numeric to binary, octal, decimal, hex immediately. You can set conversion bit number and signed/unsigned, so you can adjust settings for binary, short, int, long. Also you can get clolor code for system application from RGB and Color Picker. And you can choose preset color simply. ** Overview ** - Convert numeric to binary, octal, decimal, hex immediately. - You can edit each digits for detailed confirmation. - You can get color code from RGB, HSL, HSV and Color Picker. - Using preset color, you can get color code quickly. ** Characteristics ** >> Numeric conversion - You can input numeric in binary, octal, decimal, hex. - You can choose bits size from 8bits, 16bits, 32bits, 64bits. - You can choose signed numeric or unsigned numeric. - you can edit each digits directly. >> Color code - You can see a color code in Hex, RGB, HSL and HSV. - Support alpha channel of color. - You can get a color code from RGB, HSL, HSV adjuster and Color Picker. - You can get a color code just by choosing a preset color. ** Terms of Use ** https://coconutsdevelop.com/en/terms/terms_of_use.html ** Developer website ** https://coconutsdevelop.com/

Screenshots

sssQRc1 screens
Dev Calc4 screens

Verdict

The call

The clearest difference is iOS requirement: Dev Calc at 13.0 against sssQRc's 17.0. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. sssQRc sells 1 one-off in-app purchase and Dev Calc sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
sssQRc versus Dev Calc: the parameters behind the verdict, then further details
ParametersssQRcDev Calc
PriceFreeFree
Rating—2.0 (2 ratings) — better
Positive reviews—60.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size6 MB51 MB
Age rating17+4+
DeveloperSENSYUSYAToshiya Hondo

In-app purchases

1 purchases

sssQRc

One-time1
  • 広告非表示$5.99
1 purchases

Dev Calc

Subscriptions1
  • Remove Ads (Monthly)$1.991 Month

Questions

Is sssQRc free?
sssQRc is free to download, with in-app purchases available.
Is Dev Calc free?
Dev Calc is free to download, with in-app purchases available.
Do sssQRc or Dev Calc have ads?
Both sssQRc and Dev Calc show ads.
Which is updated more often, sssQRc or Dev Calc?
sssQRc ships an update every 2 months, and Dev Calc every 2 months. Most recently, sssQRc was updated on October 1, 2026 and Dev Calc on October 7, 2026.

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