# Полиглот 16 vs Crewservices. Дельта тест 3.0

The clearest difference is in-app purchases: Crewservices. Дельта тест 3.0 at none against Полиглот 16's 5. Crewservices. Дельта тест 3.0 also leads on update cadence (every 5 weeks vs every 5 months) and iOS requirement (14.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Полиглот 16 sells 5 in-app purchases, starting at $1.99 per month. Crewservices. Дельта тест 3.0 asks for nothing beyond the download.

Полиглот 16 ships an update every 5 months, Crewservices. Дельта тест 3.0 every 5 weeks. The most recent releases landed on October 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Полиглот 16 | Crewservices. Дельта тест 3.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (833 ratings)](https://appshunter.io/ios/app/16/id586157822/reviews)** | — |
| Number of ratings | **833** | — |
| Positive reviews | 71.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 74 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Axidep LLC](https://appshunter.io/developer/586157825) | [Alexey Seleznev](https://appshunter.io/developer/1211190063) |

## What reviewers say

### Полиглот 16

[App page](https://appshunter.io/ios/app/16/id586157822)

Learn to construct English sentences in just a few minutes daily. This app uses a game-like format with spaced repetition to help you memorize new words and grammar rules effectively. It's designed for beginners and intermediate learners, offering a structured approach to mastering English.

**Highlights:** Interactive sentence building exercises, Spaced repetition for memorization, Game-like learning format, Pronunciation of correct answers, Verb conjugation tables and hints, Progress tracking with scoring system, Advanced mode for keyboard input

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| На месяц | $1.99 | per month |
| На полгода | $4.99 | per 6 months |
| Полная версия | $2.99 | one-time |
| Полная версия | $4.99 | one-time |
| Навсегда | $9.99 | one-time |

**What reviewers like**

- 🚀 Excellent app
- 👍 Very useful
- 👍 Convenient and effective for learning
- 👍 Helps build basic sentences
- 👍 Great for practicing grammar

**What reviewers complain about**

- 🐛 Missing words in sentence checking
- 🐛 Issues with question formatting

**Reported bugs**

- Paid access not working
- Issues with payment and account transfer

**Requested features**

- Add video lessons
- Improve section 7 exercises
- Add swipe functionality for navigation
- Ability to learn writing (words)


### Crewservices. Дельта тест 3.0

[App page](https://appshunter.io/ios/app/crewservices-30/id1211190064)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Полиглот 16 free?

Полиглот 16 is free to download, with in-app purchases available.

### Is Crewservices. Дельта тест 3.0 free?

Crewservices. Дельта тест 3.0 is free to download, with no in-app purchases.

### Do Полиглот 16 or Crewservices. Дельта тест 3.0 have ads?

Neither Полиглот 16 nor Crewservices. Дельта тест 3.0 shows ads.

### Which is updated more often, Полиглот 16 or Crewservices. Дельта тест 3.0?

Полиглот 16 ships an update every 5 months, and Crewservices. Дельта тест 3.0 every 5 weeks. Most recently, Полиглот 16 was updated on October 14, 2026 and Crewservices. Дельта тест 3.0 on September 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.*