# InstantTutor vs TeachMark AI

The clearest difference is update cadence: InstantTutor at every 3 weeks against TeachMark AI's every 13 months. InstantTutor also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. InstantTutor sells 8 in-app purchases, starting at $5.99 per month and TeachMark AI sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

InstantTutor ships an update every 3 weeks, TeachMark AI every 13 months. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | InstantTutor | TeachMark AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/instanttutor/id1671572597/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 13 months |
| Monetization | Free with in-app purchases | — |
| Size | 98 MB | 15 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [InstantTutor Ltd](https://appshunter.io/developer/1884272396) | [Angel App Publishing Ltd.](https://appshunter.io/developer/412814814) |

## What reviewers say

### InstantTutor

[App page](https://appshunter.io/ios/app/instanttutor/id1671572597)

This AI-powered study companion assists students with homework and revision by guiding them through difficult concepts step-by-step. It provides parents with insights into their child's learning progress and areas of challenge, fostering better communication and support.

**Highlights:** Step-by-step concept explanation, Homework and revision assistance, Photo upload for questions, Parental progress visibility, Weekly progress reports, Teacher activity sharing

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vision | $5.99 | per month |
| Achiever - No question limit | $9.99 | per month |
| Achiever - No question limit | $9.99 | per month |
| Premium | $19.00 | per month |
| Master - No question limit | $19.99 | per month |
| Premium | $29.00 | per month |
| Premium | $149.00 | per year |
| Premium | $199.00 | per year |


### TeachMark AI

[App page](https://appshunter.io/ios/app/teachmark-ai/id6744275145)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Annual Subscription | $39.99 | per year |
| One Piece of Marking | $0.99 | one-time |
| Mark 5 Pieces of Work | $3.99 | one-time |
| Whole Class Mark | $9.99 | one-time |
| One Time Upgrade | $59.99 | one-time |


## Frequently asked questions

### Is InstantTutor free?

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

### Is TeachMark AI free?

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

### Do InstantTutor or TeachMark AI have ads?

Neither InstantTutor nor TeachMark AI shows ads.

### Which is updated more often, InstantTutor or TeachMark AI?

InstantTutor ships an update every 3 weeks, and TeachMark AI every 13 months. Most recently, InstantTutor was updated on October 15, 2026 and TeachMark AI on October 1, 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.*