# Flint vs Интервальное изучение слов ENG

The clearest difference is iOS requirement: Flint at 16.0 against Интервальное изучение слов ENG's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Flint sells 7 in-app purchases, starting at $6.99 per month and Интервальное изучение слов ENG sells 1 in-app purchase, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Flint ships an update every 4 days, Интервальное изучение слов ENG every 3 days. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Flint | Интервальное изучение слов ENG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 5 MB | 10 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Sergey Bobin](https://appshunter.io/developer/1491866150) | [Denys Kotelnykov](https://appshunter.io/developer/1411971147) |

## What reviewers say

### Flint

[App page](https://appshunter.io/ios/app/flint/id6789542427)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Подписка Flint — месяц | $6.99 | per month |
| Подписка Flint — 3 месяца | $18.99 | per 3 months |
| Подписка Flint — 6 месяцев | $34.99 | per 6 months |
| Подписка Flint — год | $66.99 | per year |
| Пополнение — 199 ₽ | $1.99 | one-time |
| Пополнение — 399 ₽ | $4.99 | one-time |
| Пополнение — 599 ₽ | $6.99 | one-time |


### Интервальное изучение слов ENG

[App page](https://appshunter.io/ios/app/eng/id6793045192)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | per 7 days |


## Frequently asked questions

### Is Flint free?

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

### Is Интервальное изучение слов ENG free?

Интервальное изучение слов ENG is free to download, with in-app purchases available.

### Do Flint or Интервальное изучение слов ENG have ads?

Neither Flint nor Интервальное изучение слов ENG shows ads.

### Which is updated more often, Flint or Интервальное изучение слов ENG?

Flint ships an update every 4 days, and Интервальное изучение слов ENG every 3 days. Most recently, Flint was updated on October 1, 2026 and Интервальное изучение слов ENG on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*