Comparison

Programmer Calculator vs 如墨画框

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

Head to head

Programmer Calculator

Developer calculator

Free

🛠️ Developer Tools

★ 4.632 ratingsView app →

画框

About

Programmer Calculator

This tool assists developers with number base conversions and CRC calculations for strings and hex bytes. Additional features are planned for future updates.

Highlights

Number base conversion
CRC calculation
String to hex conversion
Hex byte CRC calculation
Developer support tool

Features

Read full description

Programmer calculator is a tool to support developers to convert numbers between different radix, to calculate CRC of strings or hex bytes. More features is under development and will be delivered in future.

About

如墨画框

Features

Read full description

如墨画框是一款电子画框，采用超低功耗设计，充电一次可使用一年。彩色电子纸显示，无光污染，支持蓝牙传输，可快速从手机传输图片至设备。

Screenshots

Programmer Calculator4 screens

如墨画框4 screens

Verdict

The call

The clearest difference is in-app purchases: 如墨画框 at none against Programmer Calculator's 3. 如墨画框 also leads on iOS requirement (12.0 vs 14.0). On price, update cadence, ads 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. Programmer Calculator sells 3 one-off in-app purchases. 如墨画框 asks for nothing beyond the download.

UpkeepUpdate frequency

Programmer Calculator ships an update fortnightly, 如墨画框 every 2 weeks. The most recent releases landed on October 7, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 8 level

Programmer Calculator versus 如墨画框: the parameters behind the verdict, then further details
Parameter	Programmer Calculator	如墨画框
Price	Free	Free
Rating	4.6 (32 ratings) — better	—
Positive reviews	42.1% of reviews	—
Number of ratings	32 — better	—
Update frequency	Fortnightly — better	Every 2 weeks
Ads	No	No
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	14.0	12.0 — better
Further details — not scored
Size	5 MB	23 MB
Age rating	4+	4+
Developer	永超侯	志军陈

In-app purchases

3 purchases

Programmer Calculator

One-time3

A coke$0.99
A cup of coffee$2.99
A big meal$5.99

None

如墨画框

No in-app purchases

Questions

Is Programmer Calculator free?

Programmer Calculator is free to download, with in-app purchases available.

Is 如墨画框 free?

如墨画框 is free to download, with no in-app purchases.

Do Programmer Calculator or 如墨画框 have ads?

Neither Programmer Calculator nor 如墨画框 shows ads.

Which is updated more often, Programmer Calculator or 如墨画框?

Programmer Calculator ships an update fortnightly, and 如墨画框 every 2 weeks. Most recently, Programmer Calculator was updated on October 7, 2026 and 如墨画框 on September 20, 2026.