# ThreadMaster vs LTplot

The clearest difference is price: ThreadMaster at Free against LTplot's $3.99. ThreadMaster also leads on iOS requirement (16.0 vs 26.2). LTplot's advantage is in-app purchases (none vs 14) and ads (none vs shown). On update cadence and device support there is nothing between them.

ThreadMaster is free to download; LTplot costs $3.99 up front. ThreadMaster sells 14 in-app purchases, starting at $0.99 per month. LTplot asks for nothing beyond the download.

ThreadMaster ships an update every 4 days, LTplot every 2 days. The most recent releases landed on October 2, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ThreadMaster | LTplot |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| 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 4 days | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 101 MB | 4 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Kazumasa Shimomura](https://appshunter.io/developer/1110502851) | [Noriaki Iguchi](https://appshunter.io/developer/1318112682) |

## 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 |


### LTplot

[App page](https://appshunter.io/ios/app/ltplot/id6763776829)

Create stage lighting plots easily on your iPhone. Design truss and batten layouts, place and adjust lighting fixtures, add text, and export to PDF. This app simplifies theatrical lighting planning without the need for expensive software.

**Highlights:** Truss/batten placement, Fixture placement and snapping, Move, rotate, delete in edit mode, Text input with formatting, Zoom/pan controls, PDF export

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

**In-app purchases:** none


## Frequently asked questions

### Is ThreadMaster free?

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

### Is LTplot free?

LTplot costs $3.99, with no in-app purchases.

### Do ThreadMaster or LTplot have ads?

ThreadMaster shows ads; LTplot does not.

### Which is updated more often, ThreadMaster or LTplot?

ThreadMaster ships an update every 4 days, and LTplot every 2 days. Most recently, ThreadMaster was updated on October 2, 2026 and LTplot on September 21, 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.*