# Prilog vs Positivity Lite

The clearest difference is in-app purchases: Positivity Lite at none against Prilog's 4. Prilog's advantage is update cadence (every 5 days vs every 5 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Prilog sells 4 in-app purchases, starting at $0.59 per month. Positivity Lite asks for nothing beyond the download.

Prilog ships an update every 5 days, Positivity Lite every 5 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Prilog | Positivity Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Size | 222 MB | 34 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sangseon Kim](https://appshunter.io/developer/1619035752) | [Christopher Konitz](https://appshunter.io/developer/1892845254) |

## What reviewers say

### Prilog

[App page](https://appshunter.io/ios/app/prilog-private-journal-diary/id6449960507)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly (iOS) | $0.59 | per month |
| Monthly (macOS) | $1.19 | per month |
| Lifetime (iOS) | $8.00 | one-time |
| Lifetime (macOS) | $12.00 | one-time |


### Positivity Lite

[App page](https://appshunter.io/ios/app/positivity-lite/id6767835358)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prilog free?

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

### Is Positivity Lite free?

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

### Do Prilog or Positivity Lite have ads?

Neither Prilog nor Positivity Lite shows ads.

### Which is updated more often, Prilog or Positivity Lite?

Prilog ships an update every 5 days, and Positivity Lite every 5 weeks. Most recently, Prilog was updated on October 30, 2026 and Positivity Lite on October 31, 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.*