# Zenith vs OffShelf

The clearest difference is in-app purchases: Zenith at none against OffShelf's 3. Zenith also leads on iOS requirement (13.0 vs 15.0). OffShelf's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price and device support there is nothing between them.

Both are free to download. OffShelf sells 3 in-app purchases, starting at $2.99 per 7 days. Zenith asks for nothing beyond the download.

Zenith ships an update monthly, OffShelf weekly. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Zenith | OffShelf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/offshelf-study-timer-planner/id6767906574/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free |
| Size | 23 MB | 147 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ali Aleid](https://appshunter.io/developer/1890730349) | [Basheer Rjoub](https://appshunter.io/developer/1896519282) |

## What reviewers say

### Zenith

[App page](https://appshunter.io/ios/app/zenith-focus-timer-and-plant/id6763234139)

**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 stay focused and motivated while studying. It offers customizable focus sessions, flashcards, and AI-powered study suggestions. You can also study with friends for added accountability and track your progress with detailed dashboards.

**Highlights:** Customizable focus sessions, Flashcard creation and review, AI study suggestions, Collaborative study with friends, Progress tracking dashboard, Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OffShelf Premium — Weekly | $2.99 | per 7 days |
| OffShelf Premium | $9.99 | per month |
| OffShelf Premium — Annual | $79.99 | per year |


## Frequently asked questions

### Is Zenith free?

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

### Is OffShelf free?

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

### Do Zenith or OffShelf have ads?

Zenith shows ads; OffShelf does not.

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

Zenith ships an update monthly, and OffShelf weekly. Most recently, Zenith was updated on October 8, 2026 and OffShelf on October 19, 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.*