# Flange Bolt Size & Torque vs ILICALC

The clearest difference is in-app purchases: ILICALC at none against Flange Bolt Size & Torque's 2. ILICALC also leads on review sentiment (100% vs 65%) and iOS requirement (13.0 vs 15.1). Flange Bolt Size & Torque's advantage is ratings volume (374 vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Flange Bolt Size & Torque sells 2 in-app purchases, starting at $4.99 per 3 months. ILICALC asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Flange Bolt Size & Torque against 4.5 for ILICALC. That said, the two scores are not equally well evidenced: Flange Bolt Size & Torque has 374 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 65% of Flange Bolt Size & Torque's written reviews are positive against 100% of ILICALC's.

Flange Bolt Size & Torque ships an update monthly, ILICALC every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Flange Bolt Size & Torque | ILICALC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (374 ratings)](https://appshunter.io/ios/app/flange-bolt-size-and-torque/id1489122965/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/ilicalc/id1498804397/reviews) |
| Number of ratings | **374** | 2 |
| Positive reviews | 65.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 20 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Source Consulting LLC](https://appshunter.io/developer/1222335487) | [Onstream Pipeline Inspection Services Inc](https://appshunter.io/developer/1498684216) |

## What reviewers say

### Flange Bolt Size & Torque

[App page](https://appshunter.io/ios/app/flange-bolt-size-and-torque/id1489122965)

Instantly access flange, pipe, and bolt data offline. Quickly find bolt sizes, torque patterns, flange dimensions, and pipe specifications. Ideal for pipefitters and steamfitters needing rapid access to piping information.

**Highlights:** Offline data access, Instant data lookups, Flange bolting data, Flange dimensions data, Pipe data, Gasket data, Torque pattern images

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flange Bolt Professional | $4.99 | per 3 months |
| Suggested Torque | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Huge time saver
- ✅ Reliable data
- 🛠️ Very helpful tool
- 💡 Useful for trade/craft

**What reviewers complain about**

- 💸 Now charges for features
- 👎 Used to be better
- 📉 Functionality decreased after redesign
- ❌ Missing Code 61/62 flange info
- 💰 Subscription model disliked

**Reported bugs**

- App stopped working, requires resubscription
- App will not open after latest update
- App is broken
- Black screen and grey bar in the middle
- Wrench sizes don't match up on some flanges

**Requested features**

- Add Code 61/62 flange information
- Include machined bolt sizes
- Add torquing equipment info (rad guns, J gun, etc.) and usage instructions
- Include CGI and CG torque specs for different gasket styles
- Add support for larger flange sizes (beyond 60")


### ILICALC

[App page](https://appshunter.io/ios/app/ilicalc/id1498804397)

This app calculates pipeline flow rates and pressures in various units. It also helps determine ILI or pig run times and convert units for flow rates, pressures, and distances. Users can look up pipe schedules, wall thickness, and pipe grades.

**Highlights:** Calculate pipeline flow rates and pressures, Determine ILI or pig run times, Convert units for flow, pressure, and distance, Lookup pipe schedules and specifications, Supports multiple units of measurement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flange Bolt Size & Torque free?

Flange Bolt Size & Torque is free to download, with in-app purchases available.

### Is ILICALC free?

ILICALC is free to download, with no in-app purchases.

### Which has better reviews, Flange Bolt Size & Torque or ILICALC?

Flange Bolt Size & Torque is rated higher. Flange Bolt Size & Torque averages 4.6 out of 5 from 374 ratings, while ILICALC averages 4.5 from 2 ratings.

### Do Flange Bolt Size & Torque or ILICALC have ads?

Neither Flange Bolt Size & Torque nor ILICALC shows ads.

### Which is updated more often, Flange Bolt Size & Torque or ILICALC?

Flange Bolt Size & Torque ships an update monthly, and ILICALC every 2 weeks. Most recently, Flange Bolt Size & Torque was updated on November 3, 2026 and ILICALC on November 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.*