# ToDoodler vs Prepper AI

The clearest difference is in-app purchases: ToDoodler at none against Prepper AI's 3. Prepper AI's advantage is update cadence (every 2 weeks vs every 41 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Prepper AI sells 3 in-app purchases, starting at $9.99 per month. ToDoodler asks for nothing beyond the download.

ToDoodler ships an update every 41 months, Prepper AI every 2 weeks. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ToDoodler | Prepper AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (31 ratings)](https://appshunter.io/ios/app/prepper-ai/id6749353554/reviews)** |
| Number of ratings | — | **31** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 2.0 GB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Sergey Gusev](https://appshunter.io/developer/1367121488) | [A-tech Co. LLC](https://appshunter.io/developer/1807428581) |

## What reviewers say

### ToDoodler

[App page](https://appshunter.io/ios/app/todoodler/id6447523336)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prepper AI

[App page](https://appshunter.io/ios/app/prepper-ai/id6749353554)

This app provides an offline AI assistant, a comprehensive survival knowledge library, and worldwide offline maps. Access expert-level answers and critical information without an internet connection, ensuring preparedness in any situation.

**Highlights:** Offline AI assistant, Survival knowledge library, Worldwide offline maps, No internet required, No account or login needed, Privacy-focused design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $9.99 | per month |
| Annual Plan | $39.99 | per year |
| Prepper AI (Lifetime Access) | $149.99 | one-time |


## Frequently asked questions

### Is ToDoodler free?

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

### Is Prepper AI free?

Prepper AI is free to download, with in-app purchases available.

### Do ToDoodler or Prepper AI have ads?

Neither ToDoodler nor Prepper AI shows ads.

### Which is updated more often, ToDoodler or Prepper AI?

ToDoodler ships an update every 41 months, and Prepper AI every 2 weeks. Most recently, ToDoodler was updated on October 27, 2026 and Prepper AI 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.*