# Study On vs Recall Drill

The clearest difference is in-app purchases: Study On at none against Recall Drill's 1. Recall Drill's advantage is ads (none vs shown) and iOS requirement (15.0 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Recall Drill sells 1 one-off in-app purchase. Study On asks for nothing beyond the download.

Study On ships an update every 2 weeks, Recall Drill weekly. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Study On | Recall Drill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 113 MB | 20 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Moon Su Choi](https://appshunter.io/developer/1888959670) | [알파루프](https://appshunter.io/developer/1895908497) |

## What reviewers say

### Study On

[App page](https://appshunter.io/ios/app/study-on-study-planner/id6781290480)

**Features:** macOS Compatibility

**In-app purchases:** none


### Recall Drill

[App page](https://appshunter.io/ios/app/recall-drill/id6797267823)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Decks | $3.99 | one-time |


## Frequently asked questions

### Is Study On free?

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

### Is Recall Drill free?

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

### Do Study On or Recall Drill have ads?

Study On shows ads; Recall Drill does not.

### Which is updated more often, Study On or Recall Drill?

Study On ships an update every 2 weeks, and Recall Drill weekly. Most recently, Study On was updated on October 6, 2026 and Recall Drill on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*