# Art Sentry vs Prep Pal

The clearest difference is ads: Art Sentry at none against Prep Pal's shown. Art Sentry also leads on update cadence (every 3 months vs every 9 months) and iOS requirement (14.0 vs 16.0). On price, 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.

Art Sentry ships an update every 3 months, Prep Pal every 9 months. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Art Sentry | Prep Pal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 6 MB | 33 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Acuity-vct, Inc.](https://appshunter.io/developer/901921616) | [Teruyuki Tanaka](https://appshunter.io/developer/1511664983) |

## What reviewers say

### Art Sentry

[App page](https://appshunter.io/ios/app/art-sentry/id1569865224)

**In-app purchases:** none


### Prep Pal

[App page](https://appshunter.io/ios/app/prep-pal-daily-routine-timer/id6740274295)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Art Sentry free?

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

### Is Prep Pal free?

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

### Do Art Sentry or Prep Pal have ads?

Prep Pal shows ads; Art Sentry does not.

### Which is updated more often, Art Sentry or Prep Pal?

Art Sentry ships an update every 3 months, and Prep Pal every 9 months. Most recently, Art Sentry was updated on October 17, 2026 and Prep Pal on October 6, 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.*