# ThreadMaster vs 勉強タイマー

The clearest difference is price: ThreadMaster at Free against 勉強タイマー's $0.99. ThreadMaster also leads on update cadence (every 3 days vs every 4 weeks). 勉強タイマー's advantage is in-app purchases (none vs 14) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

ThreadMaster is free to download; 勉強タイマー costs $0.99 up front. ThreadMaster sells 14 in-app purchases, starting at $0.99 per month. 勉強タイマー asks for nothing beyond the download.

ThreadMaster ships an update every 3 days, 勉強タイマー every 4 weeks. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ThreadMaster | 勉強タイマー |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/threadmaster/id6455370741/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 6 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Kazumasa Shimomura](https://appshunter.io/developer/1110502851) | [SMART BIT K.K](https://appshunter.io/developer/1896559487) |

## What reviewers say

### ThreadMaster

[App page](https://appshunter.io/ios/app/threadmaster/id6455370741)

Browse multiple forums and communities with advanced features like NG filters, unread tracking, and dark mode. Save favorite threads, track browsing history, and participate in discussions. Optimized for fast, organized reading on various devices.

**Highlights:** Multi-forum browsing, NG filters (threads, boards, regex), Unread tracking, Favorites and history, Dark mode, Thumbnail and link previews, Thread creation and posting

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIPプラン | $0.99 | per month |
| VIPプラン | $9.99 | per year |
| Donation | $0.29 | one-time |
| Donation | $0.49 | one-time |
| Donation | $2.99 | one-time |
| Donation | $5.99 | one-time |
| Donation | $9.99 | one-time |
| Donation | $11.99 | one-time |
| Donation | $19.99 | one-time |
| Donation | $39.99 | one-time |
| Donation | $59.99 | one-time |
| Donation | $199.99 | one-time |
| Donation | $299.99 | one-time |
| Donation | $599.99 | one-time |


### 勉強タイマー

[App page](https://appshunter.io/ios/app/id6794773283)

**In-app purchases:** none


## Frequently asked questions

### Is ThreadMaster free?

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

### Is 勉強タイマー free?

勉強タイマー costs $0.99, with no in-app purchases.

### Do ThreadMaster or 勉強タイマー have ads?

ThreadMaster shows ads; 勉強タイマー does not.

### Which is updated more often, ThreadMaster or 勉強タイマー?

ThreadMaster ships an update every 3 days, and 勉強タイマー every 4 weeks. Most recently, ThreadMaster was updated on October 19, 2026 and 勉強タイマー on October 13, 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.*