# LingoTok vs Calculus AI

The clearest difference is update cadence: LingoTok at every 8 days against Calculus AI's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LingoTok sells 10 in-app purchases, starting at $6.99 per 7 days and Calculus AI sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

LingoTok ships an update every 8 days, Calculus AI every 4 weeks. The most recent releases landed on November 13, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | LingoTok | Calculus AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (10K ratings)](https://appshunter.io/ios/app/lingotok-ai-language-tutor/id6739009137/reviews)** | — |
| Number of ratings | **10K** | — |
| Positive reviews | 19.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 84 MB | 61 MB |
| Requires iOS | 16 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zero Billion, Inc.](https://appshunter.io/developer/1753510735) | [Tat Wah Chan](https://appshunter.io/developer/1832432621) |

## What reviewers say

### LingoTok

[App page](https://appshunter.io/ios/app/lingotok-ai-language-tutor/id6739009137)

This app offers personalized language tutoring with interactive voice calls. It adapts to your learning pace, allowing you to ask questions and explore detailed lessons. Unlock smarter learning with a private AI tutor.

**Highlights:** AI-powered language tutoring, Interactive voice calls, Personalized learning pace, Unlimited tutoring options, Full premium support

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gauth AI Pro | $6.99 | per 7 days |
| LingoTok Premium | $9.99 | per 7 days |
| Gauth AI Unlimited | $12.99 | per 7 days |
| Unlimited (Monthly) | $19.99 | per month |
| LingoTok Pro Monthly | $29.99 | per month |
| LingoTok Premium | $29.99 | per 3 months |
| LingoTok Premium (Monthly) | $49.99 | per month |
| LingoTok Premium | $49.99 | per 3 months |
| LingoTok Pro Yearly | $199.99 | per year |
| LingoTok Pro Yearly 30-Day | $199.99 | per year |

**What reviewers like**

- 🚀 Efficient learning
- 👍 Good tutors
- 👍 Interactive experience

**What reviewers complain about**

- 💰 Paid subscription required
- 🔒 Limited free trial
- 🔒 Limited language options

**Reported bugs**

- Lack of certain language options
- Unclear pricing structure

**Requested features**

- Add more language options
- Offer free trial period


### Calculus AI

[App page](https://appshunter.io/ios/app/calculus-ai-math-solver/id6814129703)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculus AI - Smart Solver Weekly | $4.99 | per 7 days |
| Calculus AI - Smart Solver Yearly | $29.99 | per year |


## Frequently asked questions

### Is LingoTok free?

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

### Is Calculus AI free?

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

### Do LingoTok or Calculus AI have ads?

Neither LingoTok nor Calculus AI shows ads.

### Which is updated more often, LingoTok or Calculus AI?

LingoTok ships an update every 8 days, and Calculus AI every 4 weeks. Most recently, LingoTok was updated on November 13, 2026 and Calculus AI on November 6, 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.*