# Study Timer & Time Tracker vs Stackd

The clearest difference is ads: Stackd at none against Study Timer & Time Tracker's shown. Study Timer & Time Tracker's advantage is update cadence (every 4 days vs fortnightly) and iOS requirement (16.6 vs 18). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Study Timer & Time Tracker sells 1 one-off in-app purchase and Stackd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Study Timer & Time Tracker ships an update every 4 days, Stackd fortnightly. The most recent releases landed on September 29, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Study Timer & Time Tracker | Stackd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (25 ratings)](https://appshunter.io/ios/app/study-timer-and-time-tracker/id1644638467/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Ad-supported | — |
| Size | 35 MB | 3 MB |
| Requires iOS | **16.6** | 18 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [WEBDIA INC.](https://appshunter.io/developer/1271616115) | [Nene Nakagawa](https://appshunter.io/developer/1821103094) |

## What reviewers say

### Study Timer & Time Tracker

[App page](https://appshunter.io/ios/app/study-timer-and-time-tracker/id1644638467)

Easily track your daily study sessions and visualize your progress with detailed history charts. This app helps you identify subjects needing more attention, encouraging balanced learning for improved academic performance.

**Highlights:** Record study time by subject, Register and manage subjects, View study history with graphs, Visualize time spent on weak subjects, Ad-supported free usage

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Stackd

[App page](https://appshunter.io/ios/app/stackd-study-timer-and-tracker/id6761293821)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackd Pro | $1.99 | one-time |


## Frequently asked questions

### Is Study Timer & Time Tracker free?

Study Timer & Time Tracker is free to download, with in-app purchases available.

### Is Stackd free?

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

### Do Study Timer & Time Tracker or Stackd have ads?

Study Timer & Time Tracker shows ads; Stackd does not.

### Which is updated more often, Study Timer & Time Tracker or Stackd?

Study Timer & Time Tracker ships an update every 4 days, and Stackd fortnightly. Most recently, Study Timer & Time Tracker was updated on September 29, 2026 and Stackd on September 14, 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.*