# DisasterPreparednessDrillBook vs Fluent

The clearest difference is update cadence: Fluent at daily against DisasterPreparednessDrillBook's weekly. 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.

DisasterPreparednessDrillBook ships an update weekly, Fluent daily. The most recent releases landed on October 30, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | DisasterPreparednessDrillBook | Fluent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 89 MB | 85 MB |
| Requires iOS | **16.1** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [RCRDM, Iwate Univ.](https://appshunter.io/developer/1816349496) | [tetsuya takayanagi](https://appshunter.io/developer/6821031836) |

## What reviewers say

### DisasterPreparednessDrillBook

[App page](https://appshunter.io/ios/app/disasterpreparednessdrillbook/id6746351170)

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

**In-app purchases:** none


### Fluent

[App page](https://appshunter.io/ios/app/fluent/id6821031834)

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

**In-app purchases:** none


## Frequently asked questions

### Is DisasterPreparednessDrillBook free?

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

### Is Fluent free?

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

### Do DisasterPreparednessDrillBook or Fluent have ads?

Neither DisasterPreparednessDrillBook nor Fluent shows ads.

### Which is updated more often, DisasterPreparednessDrillBook or Fluent?

DisasterPreparednessDrillBook ships an update weekly, and Fluent daily. Most recently, DisasterPreparednessDrillBook was updated on October 30, 2026 and Fluent on November 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.*