# Qr reader 2021 vs Bolt Reader®

The clearest difference is ads: Bolt Reader® at none against Qr reader 2021's shown. Bolt Reader® also leads on update cadence (every 5 weeks vs every 4 months). Qr reader 2021's advantage is iOS requirement (11.0 vs 14.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Qr reader 2021 sells 1 one-off in-app purchase and Bolt Reader® sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Qr reader 2021 ships an update every 4 months, Bolt Reader® every 5 weeks. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Qr reader 2021 | Bolt Reader® |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 34 MB | 24 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AMARDEEP DHILLON](https://appshunter.io/developer/999752727) | [Transmission Dynamics](https://appshunter.io/developer/1554066008) |

## What reviewers say

### Qr reader 2021

[App page](https://appshunter.io/ios/app/qr-reader-2021/id1553497179)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is Qr reader 2021 free?

Qr reader 2021 is free to download, with in-app purchases available.

### Is Bolt Reader® free?

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

### Do Qr reader 2021 or Bolt Reader® have ads?

Qr reader 2021 shows ads; Bolt Reader® does not.

### Which is updated more often, Qr reader 2021 or Bolt Reader®?

Qr reader 2021 ships an update every 4 months, and Bolt Reader® every 5 weeks. Most recently, Qr reader 2021 was updated on October 8, 2026 and Bolt Reader® on October 3, 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.*