# VivaVocab! Smart Flash Cards vs S.E.C. Inc.

The clearest difference is in-app purchases: S.E.C. Inc. at none against VivaVocab! Smart Flash Cards's 11. S.E.C. Inc. also leads on review sentiment (100% vs 79%). VivaVocab! Smart Flash Cards's advantage is update cadence (every 5 weeks vs every 6 months) and iOS requirement (9.3 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. VivaVocab! Smart Flash Cards sells 11 one-off in-app purchases. S.E.C. Inc. asks for nothing beyond the download.

VivaVocab! Smart Flash Cards ships an update every 5 weeks, S.E.C. Inc. every 6 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | VivaVocab! Smart Flash Cards | S.E.C. Inc. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (208 ratings)](https://appshunter.io/ios/app/vivavocab-smart-flash-cards/id545789161/reviews)** | — |
| Number of ratings | **208** | — |
| Positive reviews | 78.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 186 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Penyo Pal Inc.](https://appshunter.io/developer/531843577) | [Chih-Jeng Teng](https://appshunter.io/developer/1008589150) |

## 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 (11)**

| 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 |
| French Premium Word Pack | $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


### S.E.C. Inc.

[App page](https://appshunter.io/ios/app/sec-inc/id1582192582)

Manage a monster-extermination company on the verge of bankruptcy. Accept commissions to resolve abnormal incidents and keep your business afloat.

**Highlights:** Company management, Monster extermination, Incident resolution, Agent management, Financial management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VivaVocab! Smart Flash Cards free?

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

### Is S.E.C. Inc. free?

S.E.C. Inc. is free to download, with no in-app purchases.

### Do VivaVocab! Smart Flash Cards or S.E.C. Inc. have ads?

Neither VivaVocab! Smart Flash Cards nor S.E.C. Inc. shows ads.

### Which is updated more often, VivaVocab! Smart Flash Cards or S.E.C. Inc.?

VivaVocab! Smart Flash Cards ships an update every 5 weeks, and S.E.C. Inc. every 6 months. Most recently, VivaVocab! Smart Flash Cards was updated on October 23, 2026 and S.E.C. Inc. on October 24, 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.*