# VivaVocab! Smart Flash Cards vs Osmo Newton

The clearest difference is in-app purchases: Osmo Newton at none against VivaVocab! Smart Flash Cards's 10. VivaVocab! Smart Flash Cards's advantage is rating (4.4 vs 4.1) and review sentiment (79% vs 65%). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. VivaVocab! Smart Flash Cards sells 10 one-off in-app purchases. Osmo Newton asks for nothing beyond the download.

VivaVocab! Smart Flash Cards holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 208 and 384 respectively. Written reviews point the same way: 79% of VivaVocab! Smart Flash Cards's written reviews are positive against 65% of Osmo Newton's.

VivaVocab! Smart Flash Cards ships an update every 5 weeks, Osmo Newton every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | VivaVocab! Smart Flash Cards | Osmo Newton |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (208 ratings)](https://appshunter.io/ios/app/vivavocab-smart-flash-cards/id545789161/reviews)** | [4.1 (384 ratings)](https://appshunter.io/ios/app/osmo-newton/id876524974/reviews) |
| Number of ratings | 208 | **384** |
| Positive reviews | **78.9% of reviews** | 65.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 3 MB | 451 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Penyo Pal Inc.](https://appshunter.io/developer/531843577) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### VivaVocab! Smart Flash Cards

[App page](https://appshunter.io/ios/app/vivavocab-smart-flash-cards/id545789161)

Enhance language learning with AI-powered flashcards that adapt to your progress. Focus on vocabulary acquisition through customizable cues and offline practice. Ideal for supplementing existing language study.

**Highlights:** AI-powered adaptive learning, Customizable learning cues, Multiple profile support, Offline play capability, No ads or manipulative gamification, Device sync option

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Allergy Pack | $0.99 | one-time |
| Seafood Pack | $0.99 | one-time |
| The Artist Episode | $0.99 | one-time |
| The Banker Episode | $0.99 | one-time |
| Polish Premium Word Pack | $0.99 | one-time |
| Russian Premium Word Pack | $0.99 | one-time |
| The Artist Episode | $3.99 | one-time |
| The Banker Episode | $3.99 | one-time |
| The Artist Episode | $5.99 | one-time |
| The Banker Episode | $5.99 | one-time |

**What reviewers like**

- 👍 User-friendly and intuitive interface
- 🎓 Effective vocabulary learning method
- 🎨 Engaging visual and auditory learning
- ⭐ Great for beginners and children
- 💰 Generous free content available

**What reviewers complain about**

- 🔊 Background music too loud and intrusive
- 🔊 Cannot mute music without losing audio
- 📚 Limited vocabulary content
- ❌ Missing grammatical articles (masculine/feminine)
- ⚠️ Lacks sentence-building instruction

**Reported bugs**

- Background music cannot be turned off independently
- Audio volume issues on some devices
- No sound output on certain devices
- Incorrect word translations (cookie/biscuit)
- In-app purchase not unlocking content

**Requested features**

- Add option to disable background music
- Include grammatical articles in lessons
- Expand vocabulary content significantly
- Add sentence-building lessons
- Support for additional languages


### Osmo Newton

[App page](https://appshunter.io/ios/app/osmo-newton/id876524974)

Engage with creative physics puzzles by drawing or placing physical objects. Guide falling balls into target zones using everyday items. Experience a blend of physical and digital play.

**Highlights:** Draw lines to solve puzzles, Place physical objects to interact, Guide falling balls into targets, Works with everyday items, Hands-on learning experience, Promotes creativity and problem-solving

**In-app purchases:** none

**What reviewers like**

- 🎮 Engaging and fun gameplay for all ages
- 🧠 Educational value with physics and problem-solving
- ✨ Satisfying visual feedback and animations
- 👨‍👩‍👧‍👦 Great for family bonding and social play
- 🎨 Creative drawing mechanics

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing
- 📱 Compatibility issues with newer iPad models and iOS versions
- 👁️ Line detection sensitivity problems
- 🖐️ Hand obstruction during gameplay
- 💡 Poor lighting recognition for drawn lines

**Reported bugs**

- App crashes on launch or during gameplay
- Unresponsive app after recent updates
- Lorem Ipsum placeholder text stuck on screen
- Achievement page frozen preventing gameplay
- App incompatible with iPad Air 2 and 11-inch iPad

**Requested features**

- Back/front camera option for better positioning
- Pause menu functionality
- More levels beyond the current 61
- Grid screen option for better line detection
- Adjustable camera sensitivity settings


## Frequently asked questions

### Is VivaVocab! Smart Flash Cards free?

VivaVocab! Smart Flash Cards is free to download, with in-app purchases available.

### Is Osmo Newton free?

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

### Which has better reviews, VivaVocab! Smart Flash Cards or Osmo Newton?

VivaVocab! Smart Flash Cards is rated higher. VivaVocab! Smart Flash Cards averages 4.4 out of 5 from 208 ratings, while Osmo Newton averages 4.1 from 384 ratings.

### Do VivaVocab! Smart Flash Cards or Osmo Newton have ads?

Neither VivaVocab! Smart Flash Cards nor Osmo Newton shows ads.

### Which is updated more often, VivaVocab! Smart Flash Cards or Osmo Newton?

VivaVocab! Smart Flash Cards ships an update every 5 weeks, and Osmo Newton every 2 months. Most recently, VivaVocab! Smart Flash Cards was updated on November 1, 2026 and Osmo Newton on November 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.*