# Bolt Length vs トドクサポーター

The clearest difference is ads: トドクサポーター at none against Bolt Length's shown. トドクサポーター also leads on update cadence (every 2 weeks vs every 20 months) and review sentiment (49% vs 33%). Bolt Length's advantage is iOS requirement (14.0 vs 16.4). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Bolt Length sells 1 one-off in-app purchase and トドクサポーター sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Bolt Length ships an update every 20 months, トドクサポーター every 2 weeks. The most recent releases landed on September 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Bolt Length | トドクサポーター |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/bolt-length-nominal-length/id1042345193/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | **49.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 20 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 106 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mitsunori oishi](https://appshunter.io/developer/905649994) | [207Inc](https://appshunter.io/developer/1437362666) |

## What reviewers say

### Bolt Length

[App page](https://appshunter.io/ios/app/bolt-length-nominal-length/id1042345193)

This application helps calculate the length of metric coarse screws based on Japanese Industrial Standards. It is designed for mechanical design purposes and should be used at the user's own risk.

**Highlights:** Metric coarse screw length calculation, Conforms to Japanese Industrial Standards (JIS), Designed for mechanical design, User risk disclaimer

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ads | $1.99 | one-time |


### トドクサポーター

[App page](https://appshunter.io/ios/app/id1488198408)

This app helps delivery drivers find jobs, manage deliveries efficiently, and navigate with detailed residential maps. It streamlines tasks like registering delivery information, finding destinations, and planning routes. The app also offers job matching and vehicle leasing support.

**Highlights:** Residential map integration, Delivery job search, Delivery registration support, Route optimization, External navigation app integration, Vehicle leasing support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ノーマルプラン | $7.99 | per month |
| ゼンリン住宅地図機能 | $11.99 | per month |


## Frequently asked questions

### Is Bolt Length free?

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

### Is トドクサポーター free?

トドクサポーター is free to download, with in-app purchases available.

### Do Bolt Length or トドクサポーター have ads?

Bolt Length shows ads; トドクサポーター does not.

### Which is updated more often, Bolt Length or トドクサポーター?

Bolt Length ships an update every 20 months, and トドクサポーター every 2 weeks. Most recently, Bolt Length was updated on September 21, 2026 and トドクサポーター on October 12, 2026.

---

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