# Learn Serbian with LENGO vs PumpDB

The clearest difference is in-app purchases: PumpDB at none against Learn Serbian with LENGO's 9. PumpDB also leads on iOS requirement (15.6 vs 17.0). Learn Serbian with LENGO's advantage is update cadence (every 2 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Learn Serbian with LENGO sells 8 in-app purchases, starting at $3.99 per month. PumpDB asks for nothing beyond the download.

Learn Serbian with LENGO ships an update every 2 weeks, PumpDB every 5 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Learn Serbian with LENGO | PumpDB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (294 ratings)](https://appshunter.io/ios/app/learn-serbian-with-lengo/id1641602048/reviews)** | — |
| Number of ratings | **294** | — |
| Positive reviews | 86.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 143 MB | 9 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nils Bernschneider](https://appshunter.io/developer/1148286000) | [Ben Sigmon](https://appshunter.io/developer/1802718666) |

## What reviewers say

### Learn Serbian with LENGO

[App page](https://appshunter.io/ios/app/learn-serbian-with-lengo/id1641602048)

This app helps you learn a new language with features like instant feedback and motivational tools. It offers free basic features and optional paid content for accelerated learning.

**Highlights:** Instant feedback, Recurrent material, Motivational methods, Grammar lessons, Vocabulary building, Conjugation practice

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $3.99 | per month |
| Pro | $4.99 | per month |
| Pro | $9.99 | per month |
| Pro | $69.99 | per year |
| 10 Bronze Coins | $1.99 | one-time |
| 50 Bronze Coins | $3.99 | one-time |
| 1 Silber Coin | $6.99 | one-time |
| 20 Silber Coins | $89.99 | one-time |

**What reviewers like**

- 👍 Easy to use interface
- 🚀 Effective for learning Serbian
- 💡 Good for beginners
- 🤩 Intuitive learning system
- 📚 Wide range of free content

**What reviewers complain about**

- 🤔 Too many initial questions
- 🐛 Audio issues (no sound, incorrect pronunciation)
- ⚠️ Grammar section lacks Russian explanation
- 💸 Subscription required for full content
- ❌ Offline audio is not proper Serbian

**Reported bugs**

- Audio playback issues (no sound, incorrect pronunciation)
- Incorrect letter usage (NJ written as ñ)
- Offline pronunciation switches to English voice-to-text
- Cancellation prompts lead to subscription renewal
- Grammar section lacks Russian explanations

**Requested features**

- Add Russian explanations for grammar
- Improve offline audio functionality
- More balanced reminders
- Provide English meaning in grammar section
- Offer a lifetime subscription option


### PumpDB

[App page](https://appshunter.io/ios/app/pumpdb/id6743415992)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learn Serbian with LENGO free?

Learn Serbian with LENGO is free to download, with in-app purchases available.

### Is PumpDB free?

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

### Do Learn Serbian with LENGO or PumpDB have ads?

Neither Learn Serbian with LENGO nor PumpDB shows ads.

### Which is updated more often, Learn Serbian with LENGO or PumpDB?

Learn Serbian with LENGO ships an update every 2 weeks, and PumpDB every 5 months. Most recently, Learn Serbian with LENGO was updated on October 24, 2026 and PumpDB on October 8, 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.*