# Tutor AI vs GhostCalc

The clearest difference is update cadence: Tutor AI at every 3 days against GhostCalc's weekly. On price, ads, in-app purchases and device support there is nothing between them.

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

Tutor AI ships an update every 3 days, GhostCalc weekly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Tutor AI | GhostCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 50 MB | 25 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Janusz Matyja](https://appshunter.io/developer/1864743131) | [RAFAEL RAEHMAN NAGIEV](https://appshunter.io/developer/1892037141) |

## What reviewers say

### Tutor AI

[App page](https://appshunter.io/ios/app/tutor-ai-snap-and-learn/id6757128028)

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

**In-app purchases:** none


### GhostCalc

[App page](https://appshunter.io/ios/app/ghostcalc/id6775283334)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tutor AI free?

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

### Is GhostCalc free?

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

### Do Tutor AI or GhostCalc have ads?

Neither Tutor AI nor GhostCalc shows ads.

### Which is updated more often, Tutor AI or GhostCalc?

Tutor AI ships an update every 3 days, and GhostCalc weekly. Most recently, Tutor AI was updated on October 13, 2026 and GhostCalc on October 6, 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.*