# Bolster Research Study vs F3 Workout Timer

The clearest difference is update cadence: F3 Workout Timer at every 2 days against Bolster Research Study's every 3 months. Bolster Research Study's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bolster Research Study ships an update every 3 months, F3 Workout Timer every 2 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Bolster Research Study | F3 Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/f3-workout-timer/id6780030503/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 40 MB | 18 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [Benjamin Buck](https://appshunter.io/developer/1649651898) | [DAVID ADAM CRUSE](https://appshunter.io/developer/1895957997) |

## What reviewers say

### Bolster Research Study

[App page](https://appshunter.io/ios/app/bolster-research-study/id6446148642)

**In-app purchases:** none


### F3 Workout Timer

[App page](https://appshunter.io/ios/app/f3-workout-timer/id6780030503)

This fitness timer offers personalized, motivating callouts during workouts. It synchronizes across devices for group sessions and supports various workout formats, including interval timers and freestyle stopwatches. Users can also manage playlists and submit custom callouts.

**Highlights:** Personalized name callouts, Real-time device synchronization, Adjustable intensity levels, Multiple workout formats, Saved timer presets, Region playlist management, Custom callout submission

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

**In-app purchases:** none


## Frequently asked questions

### Is Bolster Research Study free?

Bolster Research Study is free to download, with no in-app purchases.

### Is F3 Workout Timer free?

F3 Workout Timer is free to download, with no in-app purchases.

### Do Bolster Research Study or F3 Workout Timer have ads?

Neither Bolster Research Study nor F3 Workout Timer shows ads.

### Which is updated more often, Bolster Research Study or F3 Workout Timer?

Bolster Research Study ships an update every 3 months, and F3 Workout Timer every 2 days. Most recently, Bolster Research Study was updated on October 2, 2026 and F3 Workout Timer on October 15, 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.*