# LinguaDiary vs PlanLine

The clearest difference is price: LinguaDiary at Free against PlanLine's $0.99. LinguaDiary also leads on iOS requirement (13.0 vs 17.0). PlanLine's advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

LinguaDiary is free to download; PlanLine costs $0.99 up front. LinguaDiary sells 2 in-app purchases, starting at $4.99 per month. PlanLine asks for nothing beyond the download.

LinguaDiary ships an update weekly, PlanLine every 2 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LinguaDiary | PlanLine |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/linguadiary-write-your-world/id6755079772/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 46 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Flexes LLC](https://appshunter.io/developer/1851796013) | [Hieu Doan](https://appshunter.io/developer/905220502) |

## What reviewers say

### LinguaDiary

[App page](https://appshunter.io/ios/app/linguadiary-write-your-world/id6755079772)

This app uses AI to help you build an English writing habit. It provides instant corrections for grammar, vocabulary, and tone, and can generate audio to improve speaking and listening skills. Track your progress with a daily journal and access advanced features through a subscription.

**Highlights:** AI English correction, Daily journaling, Audio generation for speaking practice, Cloud sync across devices, Light/Dark themes, Pro subscription for unlimited features

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LinguaDiary Pro Monthly | $4.99 | per month |
| LinguaDiary Pro Yearly | $29.99 | per year |


### PlanLine

[App page](https://appshunter.io/ios/app/planline/id6759870469)

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

**In-app purchases:** none


## Frequently asked questions

### Is LinguaDiary free?

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

### Is PlanLine free?

PlanLine costs $0.99, with no in-app purchases.

### Do LinguaDiary or PlanLine have ads?

Neither LinguaDiary nor PlanLine shows ads.

### Which is updated more often, LinguaDiary or PlanLine?

LinguaDiary ships an update weekly, and PlanLine every 2 weeks. Most recently, LinguaDiary was updated on October 17, 2026 and PlanLine on October 24, 2026.

---

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