# Postnote vs Photo Caption AI

The clearest difference is update cadence: Photo Caption AI at every 3 weeks against Postnote's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Postnote sells 1 one-off in-app purchase and Photo Caption AI sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Postnote ships an update every 6 weeks, Photo Caption AI every 3 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Postnote | Photo Caption AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/photo-caption-ai-snapcap/id6748855837/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 23 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [dai kawaguchi](https://appshunter.io/developer/1329440953) | [Rodney Cyprian](https://appshunter.io/developer/1637903716) |

## What reviewers say

### Postnote

[App page](https://appshunter.io/ios/app/postnote-simple-notes-and-lists/id6505044485)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock note posting limit | $1.99 | one-time |


### Photo Caption AI

[App page](https://appshunter.io/ios/app/photo-caption-ai-snapcap/id6748855837)

Instantly generate engaging captions and relevant hashtags for your social media posts. This AI-powered tool helps you create scroll-stopping content for various platforms in multiple writing styles. Save, edit, and share your creations quickly to boost engagement and grow your audience.

**Highlights:** One-tap AI caption generation, Smart hashtag generator, Multiple writing styles, Multilingual captions and hashtags, Text styles and formatting, Save, edit, and share captions

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnapCap - AI Image Caption Pro | $3.99 | per 7 days |
| SnapCap - AI Image Caption Pro | $7.99 | per month |
| SnapCap - AI Image Caption Pro | $29.99 | per year |
| SnapCap - AI Image Caption Pro | $99.99 | one-time |


## Frequently asked questions

### Is Postnote free?

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

### Is Photo Caption AI free?

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

### Do Postnote or Photo Caption AI have ads?

Neither Postnote nor Photo Caption AI shows ads.

### Which is updated more often, Postnote or Photo Caption AI?

Postnote ships an update every 6 weeks, and Photo Caption AI every 3 weeks. Most recently, Postnote was updated on October 19, 2026 and Photo Caption AI on October 24, 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.*