# Study Time Memo vs Study Flight

The clearest difference is in-app purchases: Study Flight at none against Study Time Memo's 1. Study Flight also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Study Time Memo sells 1 one-off in-app purchase. Study Flight asks for nothing beyond the download.

Study Time Memo ships an update every 6 weeks, Study Flight every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Study Time Memo | Study Flight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/study-time-memo-subject-log/id6794255516/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 49 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [丽佳 施](https://appshunter.io/developer/1894580777) | [Yuito Kobayashi](https://appshunter.io/developer/6810911024) |

## What reviewers say

### Study Time Memo

[App page](https://appshunter.io/ios/app/study-time-memo-subject-log/id6794255516)

Manually log your study sessions by subject and duration. Track your progress with weekly charts, streaks, and per-subject totals. Export your data for easy review.

**Highlights:** Register custom subjects, Manual minute logging, Add notes and dates, Weekly study charts, Per-subject totals, Day streaks, Home screen widget

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Study Flight

[App page](https://appshunter.io/ios/app/study-flight/id6810911022)

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

**In-app purchases:** none


## Frequently asked questions

### Is Study Time Memo free?

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

### Is Study Flight free?

Study Flight is free to download, with no in-app purchases.

### Do Study Time Memo or Study Flight have ads?

Study Time Memo shows ads; Study Flight does not.

### Which is updated more often, Study Time Memo or Study Flight?

Study Time Memo ships an update every 6 weeks, and Study Flight every 3 weeks. Most recently, Study Time Memo was updated on October 31, 2026 and Study Flight on October 31, 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.*