Comparison

TCal vs Ai Pencil

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

Head to head

TCal

Notepad Calculator App

About

TCal

This utility app allows users to perform calculations using text descriptions for numbers, making it easier to understand the context of each value. It also supports exporting and sharing calculation processes.

Highlights

Calculate with text descriptions
Understand number context
Export calculation processes
Share calculations

Features

Read full description

The calculator can mark some numbers in the form of words. Use text descriptions instead of numbers in your calculations to help you understand what each number represents. You can also export the process and share it with others.

About

Ai Pencil

Features

Read full description

The AI stylus supports real-time translation and online transcription in multiple languages, and AI intelligent reading analysis and summary of imported files.

Screenshots

TCal4 screens

Ai Pencil3 screens

Verdict

The call

The clearest difference is update cadence: TCal at every 5 days against Ai Pencil's every 2 weeks. TCal also leads on iOS requirement (10.0 vs 15.0). On price, ads, 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. TCal sells 1 one-off in-app purchase and Ai Pencil sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

TCal ships an update every 5 days, Ai Pencil every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 6 level

TCal versus Ai Pencil: the parameters behind the verdict, then further details
Parameter	TCal	Ai Pencil
Price	Free	Free
Positive reviews	100.0% of reviews	—
Update frequency	Every 5 days — better	Every 2 weeks
Ads	No	No
In-app purchases	Yes	Yes
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	10.0 — better	15.0
Further details — not scored
Size	37 MB	83 MB
Age rating	4+	4+
Developer	Motion Network Technology Co., Ltd.	Changsha Houlang Network Technology Co., Ltd

In-app purchases

1 purchases

TCal

One-time1

解锁 Pro（永久）$0.99

10 purchases

Ai Pencil

One-time10

1000万Token$5.99
500分钟转写包$6.99
600分钟转写包$9.99

Show 7 more

3000万Token$9.99
Unlimited月会员$24.99
12000w Token$29.99
6000万Token$34.99
3000分钟转写包$39.99
6000分钟转写包$69.99
Unlimited年会员$229.99

Questions

Is TCal free?

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

Is Ai Pencil free?

Ai Pencil is free to download, with in-app purchases available.

Do TCal or Ai Pencil have ads?

Neither TCal nor Ai Pencil shows ads.

Which is updated more often, TCal or Ai Pencil?

TCal ships an update every 5 days, and Ai Pencil every 2 weeks. Most recently, TCal was updated on November 3, 2026 and Ai Pencil on October 30, 2026.