# Aviation Docs vs Whisper IM

The clearest difference is update cadence: Whisper IM at weekly against Aviation Docs's every 2 months. 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.

Aviation Docs ships an update every 2 months, Whisper IM weekly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Aviation Docs | Whisper IM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (72 ratings)](https://appshunter.io/ios/app/aviation-docs/id385174603/reviews)** | — |
| Number of ratings | **72** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 123 MB | 230 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [On-Board Data Systems](https://appshunter.io/developer/663920824) | [ROBUST MANAGEMENT SERVICES PTE. LTD.](https://appshunter.io/developer/6808543533) |

## What reviewers say

### Aviation Docs

[App page](https://appshunter.io/ios/app/aviation-docs/id385174603)

Access fleet, aircraft, and aircraft-type specific document libraries on your iPad from anywhere. Designed for flight operations, it offers a centralized location for all your aviation documents, with features like double document view in landscape mode.

**Highlights:** Fleet, aircraft, and aircraft-type specific document libraries, Access documents from anywhere in the world, Double document view in landscape, Nav/Document view in landscape, Centralized aviation document storage

**Features:** Vision Pro support

**In-app purchases:** none


### Whisper IM

[App page](https://appshunter.io/ios/app/whisper-im/id6781601223)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Aviation Docs free?

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

### Is Whisper IM free?

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

### Do Aviation Docs or Whisper IM have ads?

Neither Aviation Docs nor Whisper IM shows ads.

### Which is updated more often, Aviation Docs or Whisper IM?

Aviation Docs ships an update every 2 months, and Whisper IM weekly. Most recently, Aviation Docs was updated on November 1, 2026 and Whisper IM on November 5, 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.*