# Study Tracker vs Sum

The clearest difference is ads: Sum at none against Study Tracker's shown. Sum also leads on update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Study Tracker sells 1 in-app purchase, starting at $0.99 per month and Sum sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Study Tracker ships an update every 2 months, Sum every 3 weeks. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Study Tracker | Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sum-study-timer-and-tracker/id6761293821/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 3 MB |
| Requires iOS | **17.6** | 18 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ozgun gungor](https://appshunter.io/developer/1827440465) | [Nene Nakagawa](https://appshunter.io/developer/1821103094) |

## What reviewers say

### Study Tracker

[App page](https://appshunter.io/ios/app/study-tracker-deluxe/id6756216279)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |


### Sum

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

Track and manage your study time by subject with a simple timer. Log sessions, add notes, and visualize your progress with weekly graphs and a calendar. Focus on learning without distractions.

**Highlights:** Study time tracking, Subject and material logging, Weekly progress graphs, Calendar visualization, Study streaks, Pomodoro timer

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Study Tracker free?

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

### Is Sum free?

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

### Do Study Tracker or Sum have ads?

Study Tracker shows ads; Sum does not.

### Which is updated more often, Study Tracker or Sum?

Study Tracker ships an update every 2 months, and Sum every 3 weeks. Most recently, Study Tracker was updated on November 5, 2026 and Sum on November 9, 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.*