# hessah vs Science AI

The clearest difference is ads: Science AI at none against hessah's shown. Science AI also leads on update cadence (fortnightly vs monthly). hessah's advantage is iOS requirement (14.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. hessah sells 2 one-off in-app purchases and Science AI sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

hessah ships an update monthly, Science AI fortnightly. The most recent releases landed on October 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | hessah | Science AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/science-ai-question-answer/id6755410721/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 134 MB | 29 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FOB International Company , For Website Design](https://appshunter.io/developer/1762890215) | [Navid Bin Mahamud](https://appshunter.io/developer/1609976121) |

## What reviewers say

### hessah

[App page](https://appshunter.io/ios/app/hessah/id6636497016)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription-Ads | $39.99 | one-time |
| Subscription-Pro | $39.99 | one-time |


### Science AI

[App page](https://appshunter.io/ios/app/science-ai-question-answer/id6755410721)

This AI-powered companion assists with learning, problem-solving, and writing. Snap photos of questions for instant answers, generate essays, or improve your language skills. It offers a distraction-free interface and tracks your study history.

**Highlights:** AI-powered question answering, Photo-to-answer functionality, AI writing and text improvement, Smart calculator and unit converter, Study history tracking, Daily study reminders

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is hessah free?

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

### Is Science AI free?

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

### Do hessah or Science AI have ads?

hessah shows ads; Science AI does not.

### Which is updated more often, hessah or Science AI?

hessah ships an update monthly, and Science AI fortnightly. Most recently, hessah was updated on October 2, 2026 and Science AI on October 25, 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.*