# Bolt Reader® vs Sam by Sandvik

The clearest difference is in-app purchases: Sam by Sandvik at none against Bolt Reader®'s 1. Bolt Reader®'s advantage is iOS requirement (14.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bolt Reader® sells 1 one-off in-app purchase. Sam by Sandvik asks for nothing beyond the download.

Bolt Reader® ships an update every 5 weeks, Sam by Sandvik monthly. The most recent releases landed on September 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Bolt Reader® | Sam by Sandvik |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/bolt-reader/id1554066006/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 24 MB | 120 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Transmission Dynamics](https://appshunter.io/developer/1554066008) | [Sandvik Mining](https://appshunter.io/developer/760488884) |

## What reviewers say

### Bolt Reader®

[App page](https://appshunter.io/ios/app/bolt-reader/id1554066006)

This application provides users with real-time bolt tension data through intuitive bar graphs. It is specifically designed to work with Bolt-Cap Module devices from Transmission Dynamics, helping users quickly identify screws needing attention.

**Highlights:** Real-time bolt tension information, Bar graph data visualization, Identify screws requiring attention, Designed for Bolt-Cap Module devices, Works with Transmission Dynamics hardware

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $49.99 | one-time |


### Sam by Sandvik

[App page](https://appshunter.io/ios/app/sam-by-sandvik/id6469138379)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bolt Reader® free?

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

### Is Sam by Sandvik free?

Sam by Sandvik is free to download, with no in-app purchases.

### Do Bolt Reader® or Sam by Sandvik have ads?

Neither Bolt Reader® nor Sam by Sandvik shows ads.

### Which is updated more often, Bolt Reader® or Sam by Sandvik?

Bolt Reader® ships an update every 5 weeks, and Sam by Sandvik monthly. Most recently, Bolt Reader® was updated on September 16, 2026 and Sam by Sandvik on September 19, 2026.

---

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