# Sum vs 進捗管理くん

The clearest difference is in-app purchases: 進捗管理くん at none against Sum's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sum sells 1 one-off in-app purchase. 進捗管理くん asks for nothing beyond the download.

## The numbers

| Metric | Sum | 進捗管理くん |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 5 MB |
| Requires iOS | 18 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nene Nakagawa](https://appshunter.io/developer/1821103094) | [Tom App Works](https://appshunter.io/developer/1874760041) |

## What reviewers say

### 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 |


### 進捗管理くん

[App page](https://appshunter.io/ios/app/id6814181842)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sum free?

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

### Is 進捗管理くん free?

進捗管理くん is free to download, with no in-app purchases.

### Do Sum or 進捗管理くん have ads?

Neither Sum nor 進捗管理くん shows ads.

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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.*