# Instituto global de DTS vs AI Study Sheet

The clearest difference is in-app purchases: Instituto global de DTS at none against AI Study Sheet's 1. Instituto global de DTS also leads on iOS requirement (14.0 vs 16.0). AI Study Sheet's advantage is update cadence (every 3 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. AI Study Sheet sells 1 one-off in-app purchase. Instituto global de DTS asks for nothing beyond the download.

Instituto global de DTS ships an update every 5 weeks, AI Study Sheet every 3 days. The most recent releases landed on September 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Instituto global de DTS | AI Study Sheet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 65 MB | 5 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Dallas Theological Seminary](https://appshunter.io/developer/719127061) | [Masaki Iino](https://appshunter.io/developer/6778272211) |

## What reviewers say

### Instituto global de DTS

[App page](https://appshunter.io/ios/app/instituto-global-de-dts/id6480136495)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Study Sheet

[App page](https://appshunter.io/ios/app/ai-study-sheet-active-recall/id6782023263)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Saves | $4.99 | one-time |


## Frequently asked questions

### Is Instituto global de DTS free?

Instituto global de DTS is free to download, with no in-app purchases.

### Is AI Study Sheet free?

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

### Do Instituto global de DTS or AI Study Sheet have ads?

Neither Instituto global de DTS nor AI Study Sheet shows ads.

### Which is updated more often, Instituto global de DTS or AI Study Sheet?

Instituto global de DTS ships an update every 5 weeks, and AI Study Sheet every 3 days. Most recently, Instituto global de DTS was updated on September 8, 2026 and AI Study Sheet on September 28, 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.*