Comparison

ReadTool vs Env Charging

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

Head to head

ReadTool

Reading TXT, PDF, and EPUB

EV Charging

About

ReadTool

Features

Read full description

ReadTool is a convenient file import reader, supporting various file formats, such as TXT, PDF, and EPUB. You can import and read these format files through our app, enjoying the fun of reading anytime, anywhere. Whether it's novels, textbooks, manuals, or other types of files, as long as they are in TXT, PDF, or EPUB format, our app can provide you with excellent reading services. You can easily import these files into the app for reading at any time. Our app provides various reading modes and font size adjustment functions, allowing you to customize your reading experience. Our app contains no ads or in-app purchases. Download our app now and easily read your files!

About

Env Charging

Features

Read full description

Env Charging allows you to manage charging sessions with your local Envision charger.

Screenshots

ReadTool4 screens

Env Charging4 screens

Verdict

The call

The clearest difference is update cadence: Env Charging at every 2 months against ReadTool's every 24 months. ReadTool's advantage is iOS requirement (13.0 vs 15.6). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ReadTool ships an update every 24 months, Env Charging every 2 months. The most recent releases landed on September 22, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 4 level

ReadTool versus Env Charging: the parameters behind the verdict, then further details
Parameter	ReadTool	Env Charging
Price	Free	Free
Update frequency	Every 24 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0 — better	15.6
Further details — not scored
Size	19 MB	86 MB
Age rating	17+	4+
Developer	FAMEINK PTE. LTD.	Envision Charging LLC

In-app purchases

None

ReadTool

No in-app purchases

None

Env Charging

No in-app purchases

Questions

Is ReadTool free?

ReadTool is free to download, with no in-app purchases.

Is Env Charging free?

Env Charging is free to download, with no in-app purchases.

Do ReadTool or Env Charging have ads?

Neither ReadTool nor Env Charging shows ads.

Which is updated more often, ReadTool or Env Charging?

ReadTool ships an update every 24 months, and Env Charging every 2 months. Most recently, ReadTool was updated on September 22, 2026 and Env Charging on October 5, 2026.