# Flux vs OffShelf

The clearest difference is in-app purchases: Flux at none against OffShelf's 4. OffShelf's advantage is update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OffShelf sells 4 in-app purchases, starting at $2.99 per 7 days. Flux asks for nothing beyond the download.

Flux ships an update every 6 weeks, OffShelf weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Flux | OffShelf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/offshelf-study-timer-planner/id6767906574/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 59 MB | 145 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [STEPHAN HENNING](https://appshunter.io/developer/1868766586) | [Basheer Rjoub](https://appshunter.io/developer/1896519282) |

## What reviewers say

### Flux

[App page](https://appshunter.io/ios/app/flux-life-clock-and-countdown/id6757953784)

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

**In-app purchases:** none


### OffShelf

[App page](https://appshunter.io/ios/app/offshelf-study-timer-planner/id6767906574)

This app helps you focus by blocking distracting applications during timed study sessions. Track your progress, set goals, and study with friends to improve your productivity.

**Highlights:** Pomodoro and deep-work timer modes, App blocking during focus sessions, Study progress tracking by topic, Daily streaks and weekly planner, Co-study sessions with friends, Live activity and home screen widgets, Offline functionality

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OffShelf Premium — Weekly | $2.99 | per 7 days |
| OffShelf Premium | $6.99 | per month |
| OffShelf Premium — Annual | $19.99 | per year |
| OffShelf Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Flux free?

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

### Is OffShelf free?

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

### Do Flux or OffShelf have ads?

Neither Flux nor OffShelf shows ads.

### Which is updated more often, Flux or OffShelf?

Flux ships an update every 6 weeks, and OffShelf weekly. Most recently, Flux was updated on October 31, 2026 and OffShelf 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.*