# Reading Time Log vs 格式转换

The clearest difference is ads: 格式转换 at none against Reading Time Log's shown. Reading Time Log's advantage is iOS requirement (15.0 vs 17). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Reading Time Log sells 3 in-app purchases, starting at $2.99 per month and 格式转换 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Reading Time Log ships an update every 3 weeks, 格式转换 every 5 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | Reading Time Log | 格式转换 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/reading-time-log-book-timer/id6755981496/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 114 MB | 2 MB |
| Requires iOS | **15.0** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomohito Kii](https://appshunter.io/developer/1689523321) | [峥 曹](https://appshunter.io/developer/6798781308) |

## What reviewers say

### Reading Time Log

[App page](https://appshunter.io/ios/app/reading-time-log-book-timer/id6755981496)

Easily build a daily reading habit by tracking your sessions and watching your reading streak grow. This app helps you finish the books you start by providing a dedicated reading timer and progress tracking, all in one place.

**Highlights:** Reading Timer, Progress Tracking, Streak Counter, Reading Stats, Book List Management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - Reading Time Log | $2.99 | per month |
| Annual - Reading Time Log | $19.99 | per year |
| Lifetime Purchase | $49.99 | one-time |


### 格式转换

[App page](https://appshunter.io/ios/app/and-and-pdf/id6806530842)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $1.99 | per month |
| 永久会员 | $4.99 | one-time |


## Frequently asked questions

### Is Reading Time Log free?

Reading Time Log is free to download, with in-app purchases available.

### Is 格式转换 free?

格式转换 is free to download, with in-app purchases available.

### Do Reading Time Log or 格式转换 have ads?

Reading Time Log shows ads; 格式转换 does not.

### Which is updated more often, Reading Time Log or 格式转换?

Reading Time Log ships an update every 3 weeks, and 格式转换 every 5 weeks. Most recently, Reading Time Log was updated on October 16, 2026 and 格式转换 on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*