# AI English Diary Coach vs Studiary

The clearest difference is iOS requirement: Studiary at 16.4 against AI English Diary Coach's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AI English Diary Coach sells 4 in-app purchases, starting at $2.99 per month and Studiary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI English Diary Coach ships an update every 2 weeks, Studiary fortnightly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AI English Diary Coach | Studiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/studiary-study-timer/id6805277641/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | — | Freemium |
| Size | 13 MB | 43 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [毓鑫 戴](https://appshunter.io/developer/1498577196) | [MATTHEW JOSEPH BRICKHAUS](https://appshunter.io/developer/6777312846) |

## What reviewers say

### AI English Diary Coach

[App page](https://appshunter.io/ios/app/ai-english-diary-coach/id6786717539)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $2.99 | per month |
| Pro Monthly | $4.99 | per month |
| Plus Yearly | $19.99 | per year |
| Pro Yearly | $39.99 | per year |


### Studiary

[App page](https://appshunter.io/ios/app/studiary-study-timer/id6805277641)

This app helps students track their study time by subject and topic, with exam countdowns and manual time entry. It focuses on providing honest data without gamification or cloud syncing, ensuring privacy.

**Highlights:** Study time tracking by subject and topic, Exam countdowns with reminders, Manual time entry for missed starts, Detailed study session analytics, Privacy-focused, no cloud syncing, Customizable color themes (paid)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock everything | $9.99 | one-time |


## Frequently asked questions

### Is AI English Diary Coach free?

AI English Diary Coach is free to download, with in-app purchases available.

### Is Studiary free?

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

### Do AI English Diary Coach or Studiary have ads?

Neither AI English Diary Coach nor Studiary shows ads.

### Which is updated more often, AI English Diary Coach or Studiary?

AI English Diary Coach ships an update every 2 weeks, and Studiary fortnightly. Most recently, AI English Diary Coach was updated on October 7, 2026 and Studiary on October 8, 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.*