# Firstra vs 深海自習室

The clearest difference is ads: Firstra at none against 深海自習室's shown. Firstra also leads on iOS requirement (16.4 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Firstra sells 3 in-app purchases, starting at $1.99 per month and 深海自習室 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Firstra ships an update every 3 days, 深海自習室 every 2 days. The most recent releases landed on August 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Firstra | 深海自習室 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/firstra-study-tracker/id6773582786/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 53 MB | 7 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HAIGANG MENG](https://appshunter.io/developer/6773582788) | [KAZUSA NAOI](https://appshunter.io/developer/1863197671) |

## What reviewers say

### Firstra

[App page](https://appshunter.io/ios/app/firstra-study-tracker/id6773582786)

Organize your learning with custom tasks and goals. Build consistent study habits using a dedicated timer and daily log. Personalize your experience with themes and colors.

**Highlights:** Create custom study books and tasks, Set daily learning goals, Track study progress over time, Log daily study time and visualize streaks, Dedicated study timer, Personalize with themes and colors

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan (Monthly) | $1.99 | per month |
| Pro Plan (Yearly) | $11.99 | per year |
| Pro Plan (Lifetime) | $39.99 | one-time |


### 深海自習室

[App page](https://appshunter.io/ios/app/id6800208005)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 装備を新しくする | $4.99 | one-time |


## Frequently asked questions

### Is Firstra free?

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

### Is 深海自習室 free?

深海自習室 is free to download, with in-app purchases available.

### Do Firstra or 深海自習室 have ads?

深海自習室 shows ads; Firstra does not.

### Which is updated more often, Firstra or 深海自習室?

Firstra ships an update every 3 days, and 深海自習室 every 2 days. Most recently, Firstra was updated on August 16, 2026 and 深海自習室 on September 10, 2026.

---

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