# PushUp Synth vs Caffeine Tracker

The clearest difference is price: PushUp Synth at Free against Caffeine Tracker's $9.99. PushUp Synth also leads on in-app purchases (none vs 3). Caffeine Tracker's advantage is iOS requirement (16.6 vs 26.0). On update cadence, ads and device support there is nothing between them.

PushUp Synth is free to download; Caffeine Tracker costs $9.99 up front. Caffeine Tracker sells 3 in-app purchases, starting at $2.99 per 7 days. PushUp Synth asks for nothing beyond the download.

PushUp Synth ships an update monthly, Caffeine Tracker every 2 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | PushUp Synth | Caffeine Tracker |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 141 MB | 47 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dissolve Media AB](https://appshunter.io/developer/1858051460) | [Kirti Arya](https://appshunter.io/developer/1828768620) |

## What reviewers say

### PushUp Synth

[App page](https://appshunter.io/ios/app/pushup-synth/id6756027096)

**In-app purchases:** none


### Caffeine Tracker

[App page](https://appshunter.io/ios/app/caffeine-tracker-daily-log/id6759215724)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Caffiene Tracker Subscription | $9.99 | per month |
| Caffiene Tracker Yealy Subscription | $19.99 | per year |


## Frequently asked questions

### Is PushUp Synth free?

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

### Is Caffeine Tracker free?

Caffeine Tracker costs $9.99, and also offers in-app purchases.

### Do PushUp Synth or Caffeine Tracker have ads?

Neither PushUp Synth nor Caffeine Tracker shows ads.

### Which is updated more often, PushUp Synth or Caffeine Tracker?

PushUp Synth ships an update monthly, and Caffeine Tracker every 2 months. Most recently, PushUp Synth was updated on October 3, 2026 and Caffeine Tracker on October 3, 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.*