# OptiOffice vs Size

The clearest difference is review sentiment: Size at 100% against OptiOffice's 20%. OptiOffice's advantage is iOS requirement (12.3 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

## The numbers

| Metric | OptiOffice | Size |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | — |
| Monetization | Free | Free |
| Size | 1 MB | 93 MB |
| Requires iOS | **12.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Martin Blume](https://appshunter.io/developer/1155409951) | [Julian Zietlow](https://appshunter.io/developer/1896655861) |

## What reviewers say

### OptiOffice

[App page](https://appshunter.io/ios/app/optioffice/id1212129339)

This all-in-one business management software is designed for personal trainers and micro-studios. It offers a comprehensive suite of tools for client management, scheduling, billing, and more, accessible from any device without installation.

**Highlights:** Client management, Appointment scheduling, Resource planning, Invoicing, Membership management, Online shop, Training planning

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

**In-app purchases:** none


### Size

[App page](https://appshunter.io/ios/app/size-zero/id6769415693)

This digital companion guides users through a structured 10-week program focused on training, nutrition, and motivation. It provides weekly plans, guided workouts with a timer, and complementary meal plans and recipes for optimal results.

**Highlights:** 10-week structured program, Guided workouts, Integrated timer, Nutrition plans, Recipe suggestions, Weekly plans

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

**In-app purchases:** none


## Frequently asked questions

### Is OptiOffice free?

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

### Is Size free?

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

### Do OptiOffice or Size have ads?

Neither OptiOffice nor Size shows ads.

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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.*