# BookListViewer2 vs Colory Stopwatch, Time Tracker

The clearest difference is ads: BookListViewer2 at none against Colory Stopwatch, Time Tracker's shown. BookListViewer2 also leads on device support (3 vs 1) and iOS requirement (12.1 vs 16.4). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. BookListViewer2 sells 1 one-off in-app purchase and Colory Stopwatch, Time Tracker sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | BookListViewer2 | Colory Stopwatch, Time Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Size | 11 MB | 7 MB |
| Requires iOS | **12.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mika Hatakeyama](https://appshunter.io/developer/445272831) | [Hikari Mano](https://appshunter.io/developer/1478835190) |

## What reviewers say

### BookListViewer2

[App page](https://appshunter.io/ios/app/booklistviewer2/id975024899)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を消す | $0.99 | one-time |


### Colory Stopwatch, Time Tracker

[App page](https://appshunter.io/ios/app/colory-stopwatch-time-tracker/id6450800585)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Repeating Alarm | $0.49 | one-time |
| Add Stopwatch | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is BookListViewer2 free?

BookListViewer2 is free to download, with in-app purchases available.

### Is Colory Stopwatch, Time Tracker free?

Colory Stopwatch, Time Tracker is free to download, with in-app purchases available.

### Do BookListViewer2 or Colory Stopwatch, Time Tracker have ads?

Colory Stopwatch, Time Tracker shows ads; BookListViewer2 does not.

### Which is updated more often, BookListViewer2 or Colory Stopwatch, Time Tracker?

BookListViewer2 ships an update every 3 months, and Colory Stopwatch, Time Tracker every 3 months. Most recently, BookListViewer2 was updated on October 7, 2026 and Colory Stopwatch, Time Tracker on October 19, 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.*