# OFISI vs PlantSci

The clearest difference is in-app purchases: OFISI at none against PlantSci's 1. OFISI also leads on iOS requirement (13.0 vs 16.0). PlantSci's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. PlantSci sells 1 in-app purchase, starting at $0.99 per month. OFISI asks for nothing beyond the download.

OFISI ships an update every 3 months, PlantSci every 2 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OFISI | PlantSci |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 20 MB | 47 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [OFISI](https://appshunter.io/developer/1097799840) | [Patrick Pajzer](https://appshunter.io/developer/1770748240) |

## What reviewers say

### OFISI

[App page](https://appshunter.io/ios/app/ofisi/id1097799841)

**Features:** macOS Compatibility

**In-app purchases:** none


### PlantSci

[App page](https://appshunter.io/ios/app/plantsci/id6720747993)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlantSci-ProAbo | $0.99 | per month |


## Frequently asked questions

### Is OFISI free?

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

### Is PlantSci free?

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

### Do OFISI or PlantSci have ads?

Neither OFISI nor PlantSci shows ads.

### Which is updated more often, OFISI or PlantSci?

OFISI ships an update every 3 months, and PlantSci every 2 weeks. Most recently, OFISI was updated on October 3, 2026 and PlantSci on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*