# DocStudy vs MESIS

The clearest difference is in-app purchases: MESIS at none against DocStudy's 4. MESIS also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. DocStudy sells 4 in-app purchases, starting at $4.99 per month. MESIS asks for nothing beyond the download.

DocStudy ships an update every 10 days, MESIS every 9 days. The most recent releases landed on September 26, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DocStudy | MESIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (7 ratings)](https://appshunter.io/ios/app/docstudy-ai-solver/id6450167597/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 109 MB | 46 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JiYeon Noh](https://appshunter.io/developer/981110323) | [MESIS (SMC-PRIVATE) LIMITED](https://appshunter.io/developer/6783056476) |

## What reviewers say

### DocStudy

[App page](https://appshunter.io/ios/app/docstudy-ai-solver/id6450167597)

This AI-powered app uses image recognition to scan math problems from photos and provides detailed, step-by-step explanations. It covers a wide range of math subjects, making it a helpful tool for students to understand concepts and improve their comprehension.

**Highlights:** Photo capture and upload, AI problem interpretation, Step-by-step solutions, Covers diverse math areas, User-friendly interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade MathAi | $4.99 | per month |
| Upgrade MathAi | $39.99 | per year |
| Ai Eraser | $2.99 | one-time |
| Add Uses | $3.99 | one-time |


### MESIS

[App page](https://appshunter.io/ios/app/mesis/id6783056474)

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

**In-app purchases:** none


## Frequently asked questions

### Is DocStudy free?

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

### Is MESIS free?

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

### Do DocStudy or MESIS have ads?

Neither DocStudy nor MESIS shows ads.

### Which is updated more often, DocStudy or MESIS?

DocStudy ships an update every 10 days, and MESIS every 9 days. Most recently, DocStudy was updated on September 26, 2026 and MESIS on September 29, 2026.

---

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