# OffOf vs fullmoon

The clearest difference is price: fullmoon at Free against OffOf's $0.99. fullmoon also leads on update cadence (every 10 days vs every 59 months) and review sentiment (78% vs 61%). On rating, ads, in-app purchases and monetization model there is nothing between them.

fullmoon is free to download; OffOf costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OffOf holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: fullmoon has 100 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 61% of OffOf's written reviews are positive against 78% of fullmoon's, so the app with the better star average is not the one people write more warmly about.

OffOf ships an update every 59 months, fullmoon every 10 days. The most recent releases landed on September 22, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | OffOf | fullmoon |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/offof/id883081837/reviews)** | [4.4 (100 ratings)](https://appshunter.io/ios/app/fullmoon-local-intelligence/id6727014156/reviews) |
| Number of ratings | 11 | **100** |
| Positive reviews | 60.7% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 59 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 5 MB | 30 MB |
| Requires iOS | **17.2** | 17.6 |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, Mac, Vision Pro |
| Age rating | 4+ | 17+ |
| Developer | [Daeo Corp. Software](https://appshunter.io/developer/440991527) | [Mainframe Computer, Inc.](https://appshunter.io/developer/1766722186) |

## What reviewers say

### OffOf

[App page](https://appshunter.io/ios/app/offof/id883081837)

This app simplifies percentage calculations for shopping discounts and finding a percentage of a number. It offers a clean interface with satisfying sound and haptic feedback for a delightful user experience.

**Highlights:** Calculate percentage OFF, Calculate percentage OF, Shopping discount calculations, Mechanical keyboard sounds, Haptic feedback

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- ✨ Gorgeous design
- 👍 Simple and useful utility
- 💯 Best percentage calculator
- ✅ Does what it says
- 💡 Beautifully minimalist

**What reviewers complain about**

- ❌ Not updated
- ⚠️ Abandoned app
- 📉 No longer works
- 💔 Incompatible with iOS
- ⏳ Outdated

**Reported bugs**

- Not compatible with new iOS updates
- App no longer opens/works
- Freezes and force closes

**Requested features**

- Make it a fully functional calculator
- Update to new software/iOS versions
- Show final price after discount
- Auto clear fields on tap
- Update for X screens


### fullmoon

[App page](https://appshunter.io/ios/app/fullmoon-local-intelligence/id6727014156)

This app provides a private and offline way to interact with local large language models. It runs models directly on your device, optimized for Apple silicon, and is available across multiple Apple platforms. Personalize your experience and integrate with other apps via Shortcuts.

**Highlights:** Private LLM chat, Fully offline operation, On-device model execution, Cross-platform Apple support, Customizable themes and fonts, Shortcut integration

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Offline usage
- 👍 Clean and polished interface
- 👍 Works on older devices
- 👍 Friendly for less tech-savvy users

**What reviewers complain about**

- 🐛 Compatibility issues
- 🐛 Downloading/installing models can be slow
- 🐛 Responses can be inaccurate or incomplete
- 🐛 App crashes when using certain features

**Reported bugs**

- Incompatibility with iPhone SE2 and iPad Pro Gen3 despite supporting Metal 3
- Deepseek models not working on some devices

**Requested features**

- Add support for saving/copying full chat conversations
- Expand functionality through Shortcuts integration
- Provide more advanced language models
- Allow users to remove/delete downloaded models
- Add support for attaching files and images


## Frequently asked questions

### Is OffOf free?

OffOf costs $0.99, with no in-app purchases.

### Is fullmoon free?

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

### Which has better reviews, OffOf or fullmoon?

OffOf is rated higher. OffOf averages 4.6 out of 5 from 11 ratings, while fullmoon averages 4.4 from 100 ratings.

### Do OffOf or fullmoon have ads?

Neither OffOf nor fullmoon shows ads.

### Which is updated more often, OffOf or fullmoon?

OffOf ships an update every 59 months, and fullmoon every 10 days. Most recently, OffOf was updated on September 22, 2026 and fullmoon on August 11, 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.*