AF vs ReadTool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AF
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For AF-21 & P-901 IoTStation message receiving.
ReadTool
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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!
Screenshots
Verdict
The clearest difference is iOS requirement: ReadTool at 13.0 against AF's 16.2. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AF ships an update every 38 months, ReadTool every 24 months. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.
| Parameter | AF | ReadTool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 38 months | Every 24 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 140 MB | 19 MB |
| Age rating | 4+ | 17+ |
| Developer | john Cheng | FAMEINK PTE. LTD. |
In-app purchases
AF
No in-app purchases
ReadTool
No in-app purchases
