Comparison

Developer Calc Hex Dec Oct Bin vs CHW Watch

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

Head to head
About

Developer Calc Hex Dec Oct Bin

This app converts numbers between binary, octal, decimal, and hexadecimal bases on a single screen. It also displays color hex codes and RGB values simultaneously. It's designed for developers needing quick base conversions and color code referencing.

Highlights
  • Binary, octal, decimal, hexadecimal conversion
  • Color hex code and RGB display
  • Large 19-digit decimal display
  • Conversion reset toggle
  • Maximum and minimum value display
Features
Read full description

The Calculator for Developer Developer Calc includes the following features: ■ Binary, octal, decimal, and hexadecimal in one screen ■ Color Hex code, RGB in one screen ■ The maximum value : 0x0FFF FFFF FFFF FFFF ■ The minimum value : 0xF000 0000 0000 0000 ■ The large 19-digit display of decimal ■ Conversion reset ON/OFF The following features are not included: (Just For Simple) ■ Scientific: trigonometric, hyperbolic, and logarithmic functions ■ Conversion: length, area, volume, speed, weight, temperature; unit arithmetic

About

CHW Watch

Features
Read full description

CHW Watch 提供全面性的水資源監測系統,具備即時警報與歷史數據記錄功能。使用者可即時掌握水質、水壓與水位狀態,並查閱完整的維護歷史,以提升水資源管理效率。

Screenshots

Developer Calc Hex Dec Oct Bin4 screens
CHW Watch4 screens

Verdict

The call

The clearest difference is ads: CHW Watch at none against Developer Calc Hex Dec Oct Bin's shown. CHW Watch also leads on update cadence (every 2 weeks vs every 5 months). Developer Calc Hex Dec Oct Bin's advantage is iOS requirement (9.0 vs 13.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Developer Calc Hex Dec Oct Bin ships an update every 5 months, CHW Watch every 2 weeks. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Developer Calc Hex Dec Oct Bin versus CHW Watch: the parameters behind the verdict, then further details
ParameterDeveloper Calc Hex Dec Oct BinCHW Watch
PriceFreeFree
Rating4.1 (15 ratings) — better—
Positive reviews76.3% of reviews—
Number of ratings15 — better—
Update frequencyEvery 5 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size4 MB26 MB
Age rating4+4+
DeveloperQQ TSUBASAShih You tzu

In-app purchases

None

Developer Calc Hex Dec Oct Bin

No in-app purchases

None

CHW Watch

No in-app purchases

Questions

Is Developer Calc Hex Dec Oct Bin free?
Developer Calc Hex Dec Oct Bin is free to download, with no in-app purchases.
Is CHW Watch free?
CHW Watch is free to download, with no in-app purchases.
Do Developer Calc Hex Dec Oct Bin or CHW Watch have ads?
Developer Calc Hex Dec Oct Bin shows ads; CHW Watch does not.
Which is updated more often, Developer Calc Hex Dec Oct Bin or CHW Watch?
Developer Calc Hex Dec Oct Bin ships an update every 5 months, and CHW Watch every 2 weeks. Most recently, Developer Calc Hex Dec Oct Bin was updated on September 22, 2026 and CHW Watch on September 20, 2026.

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