# Caffi vs OpenPPG

The clearest difference is in-app purchases: OpenPPG at none against Caffi's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Caffi sells 3 in-app purchases, starting at $5.99 per 7 days. OpenPPG asks for nothing beyond the download.

Caffi ships an update every 5 weeks, OpenPPG monthly. The most recent releases landed on August 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Caffi | OpenPPG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (32 ratings)](https://appshunter.io/ios/app/caffi-caffeine-tracker/id6742565772/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 9 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Tammaro](https://appshunter.io/developer/1539155948) | [research app](https://appshunter.io/developer/1807596075) |

## What reviewers say

### Caffi

[App page](https://appshunter.io/ios/app/caffi-caffeine-tracker/id6742565772)

Monitor your caffeine consumption to improve sleep quality and manage energy levels. Log drinks quickly, see remaining caffeine before bed, and plan future intake to make informed choices.

**Highlights:** Log drinks with a large beverage database, Calculate remaining caffeine at bedtime, Predict impact of drinks on sleep, Track caffeine trends over time, Manually add custom drinks

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caffi Pro | $5.99 | per 7 days |
| Promotion | $24.99 | per year |
| Caffi Pro | $39.99 | per year |


### OpenPPG

[App page](https://appshunter.io/ios/app/openppg/id6744415040)

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

**In-app purchases:** none


## Frequently asked questions

### Is Caffi free?

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

### Is OpenPPG free?

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

### Do Caffi or OpenPPG have ads?

Neither Caffi nor OpenPPG shows ads.

### Which is updated more often, Caffi or OpenPPG?

Caffi ships an update every 5 weeks, and OpenPPG monthly. Most recently, Caffi was updated on August 10, 2026 and OpenPPG on September 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.*