# LingualShift vs Duostories

The clearest difference is in-app purchases: Duostories at none against LingualShift's 3. Duostories also leads on update cadence (fortnightly vs every 5 weeks) and ratings volume (5 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. LingualShift sells 3 in-app purchases, starting at $2.99 per 7 days. Duostories asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for LingualShift against 5.0 for Duostories. That said, the two scores are not equally well evidenced: Duostories has 5 ratings behind it against 1, so its average is the more settled of the two.

LingualShift ships an update every 5 weeks, Duostories fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LingualShift | Duostories |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lingualshift-language-shifter/id6777243693/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/duostories/id6780527613/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Freemium | **Free** |
| Size | 40 MB | 52 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CRISTIAN BARRON](https://appshunter.io/developer/1895660353) | [Richard Gerum](https://appshunter.io/developer/6778520970) |

## What reviewers say

### LingualShift

[App page](https://appshunter.io/ios/app/lingualshift-language-shifter/id6777243693)

Instantly convert text between slang and formal language in over 50 languages using AI. Perfect for professional communication or casual content, it helps you sound natural or professional as needed. Offers unlimited translations and advanced features with a subscription.

**Highlights:** Slang to formal translation, Formal to slang translation, Supports 50+ languages, AI-powered text conversion, Unlimited translations (Pro), Custom glossary

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LingualShift Pro | $2.99 | per 7 days |
| LingualShift Pro | $3.99 | per month |
| LingualShift Pro | $49.99 | per year |


### Duostories

[App page](https://appshunter.io/ios/app/duostories/id6780527613)

Enhance language skills by reading interactive stories and answering comprehension questions. Access over 2,800 stories in more than 70 languages, covering a wide range of language types. This independent project offers an engaging alternative to traditional language drills.

**Highlights:** Read 2,800+ interactive stories, Explore 70+ languages, Practice comprehension with questions, Discover diverse language types, Learn through focused reading

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

**In-app purchases:** none


## Frequently asked questions

### Is LingualShift free?

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

### Is Duostories free?

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

### Which has better reviews, LingualShift or Duostories?

LingualShift and Duostories are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do LingualShift or Duostories have ads?

Neither LingualShift nor Duostories shows ads.

### Which is updated more often, LingualShift or Duostories?

LingualShift ships an update every 5 weeks, and Duostories fortnightly. Most recently, LingualShift was updated on October 25, 2026 and Duostories 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.*