# PromptSentry vs OpenManual

The clearest difference is update cadence: OpenManual at every 2 days against PromptSentry's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PromptSentry sells 1 one-off in-app purchase and OpenManual sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PromptSentry ships an update every 5 days, OpenManual every 2 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PromptSentry | OpenManual |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openmanual/id6804523993/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 378 MB | 8 MB |
| Requires iOS | 26.4 | **26.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TOLGA BARIS KOC](https://appshunter.io/developer/1828512205) | [Gunnar Hostetler](https://appshunter.io/developer/1768599987) |

## What reviewers say

### PromptSentry

[App page](https://appshunter.io/ios/app/promptsentry/id6762153225)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PromptSentry Ultra | $8.99 | one-time |


### OpenManual

[App page](https://appshunter.io/ios/app/openmanual/id6804523993)

Locate lost or inaccessible product manuals by scanning device labels or barcodes. It searches manufacturer sites, archives, and the open web to find documentation, even for discontinued items. Saved manuals are available offline and can be queried for specific answers.

**Highlights:** Scan labels and barcodes to identify products, Search manufacturer sites and archives, Offline access to saved manuals, Query saved manuals for specific answers, Handles discontinued products, Supports various household and professional equipment

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $4.99 | one-time |


## Frequently asked questions

### Is PromptSentry free?

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

### Is OpenManual free?

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

### Do PromptSentry or OpenManual have ads?

Neither PromptSentry nor OpenManual shows ads.

### Which is updated more often, PromptSentry or OpenManual?

PromptSentry ships an update every 5 days, and OpenManual every 2 days. Most recently, PromptSentry was updated on October 12, 2026 and OpenManual on October 14, 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.*