# Bell TechPubs vs AviatorFlow

The clearest difference is update cadence: AviatorFlow at every 4 days against Bell TechPubs's every 3 months. AviatorFlow also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Bell TechPubs ships an update every 3 months, AviatorFlow every 4 days. The most recent releases landed on September 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Bell TechPubs | AviatorFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/bell-techpubs/id6504771476/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 116 MB | 74 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bell Helicopter Textron Inc.](https://appshunter.io/developer/1436073546) | [Jennifer Santamaria](https://appshunter.io/developer/1879081417) |

## What reviewers say

### 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


### AviatorFlow

[App page](https://appshunter.io/ios/app/aviatorflow/id6759505684)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bell TechPubs free?

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

### Is AviatorFlow free?

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

### Do Bell TechPubs or AviatorFlow have ads?

Neither Bell TechPubs nor AviatorFlow shows ads.

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

Bell TechPubs ships an update every 3 months, and AviatorFlow every 4 days. Most recently, Bell TechPubs was updated on September 24, 2026 and AviatorFlow on October 2, 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.*