# Frank's Caffeine Tracker vs Jitterbug

The clearest difference is in-app purchases: Frank's Caffeine Tracker at none against Jitterbug's 3. Jitterbug's advantage is update cadence (every 2 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Jitterbug sells 3 in-app purchases, starting at $3.99 per 7 days. Frank's Caffeine Tracker asks for nothing beyond the download.

Frank's Caffeine Tracker ships an update fortnightly, Jitterbug every 2 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Frank's Caffeine Tracker | Jitterbug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/jitterbug-caffeine-coach/id6762335539/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 62 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Frank Gerritse](https://appshunter.io/developer/1805358593) | [Jimmy Haivan Huynh*](https://appshunter.io/developer/1893854505) |

## What reviewers say

### Frank's Caffeine Tracker

[App page](https://appshunter.io/ios/app/franks-caffeine-tracker/id6746192998)

**In-app purchases:** none


### Jitterbug

[App page](https://appshunter.io/ios/app/jitterbug-caffeine-coach/id6762335539)

This app acts as your AI caffeine coach, creating personalized taper plans to help you reduce caffeine intake. It forecasts how your drinks will impact sleep and tracks your progress visually. Features include real-time tracking, a drink scanner, and Apple Health synchronization.

**Highlights:** Personalized AI taper plans, Sleep impact forecasting, Real-time caffeine tracker, Drink scanner with AI vision, Apple Health sync, Smart cutoff alerts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly + Free Trial | $3.99 | per 7 days |
| Monthly | $9.99 | per month |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is Frank's Caffeine Tracker free?

Frank's Caffeine Tracker is free to download, with no in-app purchases.

### Is Jitterbug free?

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

### Do Frank's Caffeine Tracker or Jitterbug have ads?

Neither Frank's Caffeine Tracker nor Jitterbug shows ads.

### Which is updated more often, Frank's Caffeine Tracker or Jitterbug?

Frank's Caffeine Tracker ships an update fortnightly, and Jitterbug every 2 days. Most recently, Frank's Caffeine Tracker was updated on October 25, 2026 and Jitterbug on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*