# Study time calendar record vs Dm

The clearest difference is in-app purchases: Study time calendar record at none against Dm's 2. Study time calendar record also leads on review sentiment (75% vs 53%). Dm's advantage is ads (none vs shown) and update cadence (fortnightly vs every 47 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Dm sells 2 in-app purchases, starting at $1.99 per month. Study time calendar record asks for nothing beyond the download.

Study time calendar record ships an update every 47 months, Dm fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Study time calendar record | Dm |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **75.0% of reviews** | 52.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 47 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 8 MB | 114 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuya Fujita](https://appshunter.io/developer/1358322690) | [REALBIND .inc](https://appshunter.io/developer/1555905118) |

## What reviewers say

### Study time calendar record

[App page](https://appshunter.io/ios/app/study-time-calendar-record/id1539423350)

Track your daily study sessions with this calendar-based application. Set study themes and log the time spent on each date to monitor your progress and aim for personal improvement goals.

**Highlights:** Log study time by date, Set study themes, Calendar view for tracking, Monitor daily study progress, Aim for personal study goals

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

**In-app purchases:** none


### Dm

[App page](https://appshunter.io/ios/app/dm-talk-analysis/id6639612068)

Analyze Instagram Direct Message interactions to understand your compatibility and communication patterns with others. Discover insights into message frequency, common phrases, and interaction times, all processed securely on your device.

**Highlights:** Analyze DM compatibility, Aggregate message counts, Analyze message phrases, Identify peak interaction times, Receive AI relationship reviews, Offline analysis processing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free + Unlimited Analysis | $1.99 | per month |
| Ad-free + Unlimited Analysis | $14.99 | per year |


## Frequently asked questions

### Is Study time calendar record free?

Study time calendar record is free to download, with no in-app purchases.

### Is Dm free?

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

### Do Study time calendar record or Dm have ads?

Study time calendar record shows ads; Dm does not.

### Which is updated more often, Study time calendar record or Dm?

Study time calendar record ships an update every 47 months, and Dm fortnightly. Most recently, Study time calendar record was updated on October 24, 2026 and Dm on October 24, 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.*