# Present Continuous Tense (ADs) vs StudyX Smartpaper Letters

The clearest difference is price: Present Continuous Tense (ADs) at Free against StudyX Smartpaper Letters's $9.99. Present Continuous Tense (ADs) also leads on iOS requirement (13.0 vs 15.5). StudyX Smartpaper Letters's advantage is ads (none vs shown) and update cadence (every 5 months vs every 70 months). On in-app purchases and device support there is nothing between them.

Present Continuous Tense (ADs) is free to download; StudyX Smartpaper Letters costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Present Continuous Tense (ADs) ships an update every 70 months, StudyX Smartpaper Letters every 5 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Present Continuous Tense (ADs) | StudyX Smartpaper Letters |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/studyx-smartpaper-letters/id6747577195/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 70 months | **Every 5 months** |
| Monetization | — | Paid |
| Size | 22 MB | 192 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Info Media Innovation](https://appshunter.io/developer/715431391) | [StudyX G.K.](https://appshunter.io/developer/1451314118) |

## What reviewers say

### Present Continuous Tense (ADs)

[App page](https://appshunter.io/ios/app/present-continuous-tense-ads/id975099899)

**Features:** Vision Pro support

**In-app purchases:** none


### StudyX Smartpaper Letters

[App page](https://appshunter.io/ios/app/studyx-smartpaper-letters/id6747577195)

This app offers a digital approach to learning letter and character formation, inspired by Montessori methods. It features over 10,000 characters from various languages, including stroke-by-stroke guidance and real-time scoring for self-paced learning.

**Highlights:** Over 10,000 characters (Japanese, Chinese, Korean, English, numerals), Stroke-by-stroke tracing guidance with animation, Real-time scoring against model characters, Montessori-style color coding, Cursive alphabet toggle, Saved practice history (on-device)

**In-app purchases:** none


## Frequently asked questions

### Is Present Continuous Tense (ADs) free?

Present Continuous Tense (ADs) is free to download, with no in-app purchases.

### Is StudyX Smartpaper Letters free?

StudyX Smartpaper Letters costs $9.99, with no in-app purchases.

### Do Present Continuous Tense (ADs) or StudyX Smartpaper Letters have ads?

Present Continuous Tense (ADs) shows ads; StudyX Smartpaper Letters does not.

### Which is updated more often, Present Continuous Tense (ADs) or StudyX Smartpaper Letters?

Present Continuous Tense (ADs) ships an update every 70 months, and StudyX Smartpaper Letters every 5 months. Most recently, Present Continuous Tense (ADs) was updated on October 29, 2026 and StudyX Smartpaper Letters on October 30, 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.*