# PartsBase vs Bell TechPubs

The clearest difference is rating: PartsBase at 4.4 against Bell TechPubs's 4.0. PartsBase also leads on iOS requirement (15.1 vs 17.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PartsBase holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PartsBase ships an update every 2 months, Bell TechPubs every 3 months. The most recent releases landed on September 17, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | PartsBase | Bell TechPubs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/partsbase/id1478302547/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/bell-techpubs/id6504771476/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 35 MB | 116 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PartsBase, Inc](https://appshunter.io/developer/1438651176) | [Bell Helicopter Textron Inc.](https://appshunter.io/developer/1436073546) |

## What reviewers say

### PartsBase

[App page](https://appshunter.io/ios/app/partsbase/id1478302547)

This app connects buyers and sellers in the aviation, aerospace, and defense industries. It allows users to search for parts, send and receive RFQs and quotes, and manage inventory. It serves a global network of over 7,500 companies.

**Highlights:** Search stock items by part number, Cross-reference with MCRL, PMA, NATO, Send RFQs to sellers, Send and receive quotes, Add and update inventory

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

**In-app purchases:** none


### Bell TechPubs

[App page](https://appshunter.io/ios/app/bell-techpubs/id6504771476)

Access technical manuals and interactive documents for mission-critical operations. Supports online and offline viewing, with features like hyper-linking and interactive figures for easy navigation and troubleshooting.

**Highlights:** Online and offline manual access, Interactive PDF and S1000D IETM formats, Integrated hyper-linking between documents, Update notifications for new revisions, Zoomable interactive figures, Fault isolation and wiring diagrams

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PartsBase free?

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

### Is Bell TechPubs free?

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

### Which has better reviews, PartsBase or Bell TechPubs?

PartsBase is rated higher. PartsBase averages 4.4 out of 5 from 7 ratings, while Bell TechPubs averages 4.0 from 3 ratings.

### Do PartsBase or Bell TechPubs have ads?

Neither PartsBase nor Bell TechPubs shows ads.

### Which is updated more often, PartsBase or Bell TechPubs?

PartsBase ships an update every 2 months, and Bell TechPubs every 3 months. Most recently, PartsBase was updated on September 17, 2026 and Bell TechPubs on June 1, 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.*