# Fastener Calc vs Markdown+ Text & Code Editor

The clearest difference is review sentiment: Markdown+ Text & Code Editor at 50% against Fastener Calc's 0%. Markdown+ Text & Code Editor also leads on update cadence (every 11 days vs every 4 months). Fastener Calc's advantage is in-app purchases (none vs 2) and price ($2.99 vs $9.99). On ads, monetization model and device support there is nothing between them.

Fastener Calc costs $2.99 and Markdown+ Text & Code Editor $9.99 up front. Markdown+ Text & Code Editor sells 2 in-app purchases, starting at $0.99 per month. Fastener Calc asks for nothing beyond the download.

Fastener Calc ships an update every 4 months, Markdown+ Text & Code Editor every 11 days. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Fastener Calc | Markdown+ Text & Code Editor |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/fastener-calc/id388420104/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | Paid | Paid |
| Size | 8 MB | 35 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Bossard AG](https://appshunter.io/developer/388420107) | [Zetegy LLC](https://appshunter.io/developer/1441879472) |

## What reviewers say

### Fastener Calc

[App page](https://appshunter.io/ios/app/fastener-calc/id388420104)

This app provides engineers, technicians, and students with essential tools for bolted joint development. It includes converters for various units and geometrical and mechanical calculators for dimensioning and design in joining technology.

**Highlights:** Unit converters (length, torque, pressure, force), Metric-imperial fastener conversion, Drill hole size calculator, Tapping screw pilot hole design, Bolt size and property class estimation, Disc spring calculator, Thread engagement length calculator

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

**In-app purchases:** none


### Markdown+ Text & Code Editor

[App page](https://appshunter.io/ios/app/markdown-plus-text-and-code-editor/id1670042061)

This native editor offers real-time Markdown and LaTeX rendering with dynamic variables for complex calculations and reusable components. Enjoy a distraction-free interface, seamless cross-device syncing, and advanced code highlighting across Apple devices.

**Highlights:** Real-time Markdown and LaTeX previews, Dynamic variables for calculations, Code highlighting for 140+ languages, Split-view editing, Seamless cross-device syncing, Dark mode and custom themes

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Markdown+ Monthly | $0.99 | per month |
| Markdown+ Yearly | $9.99 | per year |


## Frequently asked questions

### Is Fastener Calc free?

Fastener Calc costs $2.99, with no in-app purchases.

### Is Markdown+ Text & Code Editor free?

Markdown+ Text & Code Editor costs $9.99, and also offers in-app purchases.

### Do Fastener Calc or Markdown+ Text & Code Editor have ads?

Neither Fastener Calc nor Markdown+ Text & Code Editor shows ads.

### Which is updated more often, Fastener Calc or Markdown+ Text & Code Editor?

Fastener Calc ships an update every 4 months, and Markdown+ Text & Code Editor every 11 days. Most recently, Fastener Calc was updated on October 20, 2026 and Markdown+ Text & Code Editor on October 16, 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.*