# Vaia vs Sumerly

The clearest difference is review sentiment: Vaia at 81% against Sumerly's 33%. Vaia also leads on ads (none vs shown). Sumerly's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Vaia sells 15 in-app purchases, starting at $2.99 per month and Sumerly sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Vaia | Sumerly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/vaia-flashcards-and-study-guide/id1439949520/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | **81.4% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 240 MB | 65 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [StudySmarter GmbH](https://appshunter.io/developer/1439949519) | [Volva, Inc.](https://appshunter.io/developer/1576775478) |

## What reviewers say

### Vaia

[App page](https://appshunter.io/ios/app/vaia-flashcards-and-study-guide/id1439949520)

This app helps students improve grades and reduce study stress with AI-powered personalized study plans, flashcards, and practice exams. It transforms uploaded notes into comprehensive study materials, making learning efficient and engaging for any subject.

**Highlights:** AI-generated study plans, Personalized flashcards, Practice exams, Upload notes for study materials, Spaced repetition learning, Shared study materials

**Features:** Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $2.99 | per month |
| Premium Plan (1 month) | $5.49 | per month |
| Premium Plan (1 month) | $6.49 | per month |
| Premium Plan (1 month) | $6.99 | per month |
| Premium Plan (1 week) | $7.99 | per 7 days |
| Premium Plan (1 month) | $8.99 | per month |
| Premium Plan (1 month) | $12.99 | per month |
| Premium Plan (1 year) | $17.99 | per year |
| Premium Plan (1 month) | $19.99 | per month |
| Premium Plan (1 year) | $31.99 | per year |
| Premium Plan (1 year) | $43.99 | per year |
| Premium Plan (1 year) | $59.99 | per year |
| Premium Plan (1 year) | $63.99 | per year |
| Premium Plan (1 year) | $89.99 | per year |
| Premium Plan (1 year) | $89.99 | per year |

**What reviewers like**

- 🚀 Efficient flashcard creation and study tools
- 🧠 AI-powered features for learning
- 📚 Vast library of shared study materials
- 🎨 Customizable and visually appealing interface
- 🤝 Collaboration and sharing with peers

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔒 Limited offline access without premium subscription
- 🤖 Inconsistent performance of AI-generated content
- 🗂️ Difficulty organizing and navigating large study sets
- 📱 Suboptimal mobile app experience compared to web

**Reported bugs**

- Flashcard review progress not saving correctly
- Inability to delete individual flashcards from a set
- Syncing issues between mobile app and web version
- Inconsistent behavior of AI-generated quiz questions

**Requested features**

- Add more language options
- Improve PDF and note-taking editor functionality
- Implement nested subsets within study sets
- Provide more customization options for colors and themes
- Integrate study timers and task management features


### Sumerly

[App page](https://appshunter.io/ios/app/sumerly/id6467805923)

This app uses AI to create personalized flashcards and optimize study time for better knowledge retention. It offers multimedia-rich question creation and smart reminders to combat procrastination and maintain a consistent study schedule.

**Highlights:** AI-powered flashcard creation, Personalized learning adaptation, Multimedia-rich question building, Study schedule optimization, Procrastination combat reminders, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sumerly Premium | $1.99 | per 7 days |
| Sumerly Premium | $2.99 | per month |
| Sumerly Premium | $3.99 | per month |
| Sumerly Premium | $19.99 | per year |
| Sumerly Premium | $29.99 | per year |


## Frequently asked questions

### Is Vaia free?

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

### Is Sumerly free?

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

### Do Vaia or Sumerly have ads?

Sumerly shows ads; Vaia does not.

### Which is updated more often, Vaia or Sumerly?

Vaia ships an update weekly, and Sumerly weekly. Most recently, Vaia was updated on October 17, 2026 and Sumerly on October 15, 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.*