# Second Grade Math Trainer vs StudyX Smartpaper Letters

The clearest difference is price: Second Grade Math Trainer at $2.99 against StudyX Smartpaper Letters's $9.99. Second Grade Math Trainer also leads on iOS requirement (12.0 vs 15.5). StudyX Smartpaper Letters's advantage is update cadence (every 5 months vs every 26 months). On ads, in-app purchases and device support there is nothing between them.

Second Grade Math Trainer costs $2.99 and StudyX Smartpaper Letters $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Second Grade Math Trainer ships an update every 26 months, StudyX Smartpaper Letters every 5 months. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Second Grade Math Trainer | StudyX Smartpaper Letters |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 5 months** |
| Monetization | — | Paid |
| Size | 17 MB | 191 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [StudyX G.K.](https://appshunter.io/developer/1451314118) |

## What reviewers say

### Second Grade Math Trainer

[App page](https://appshunter.io/ios/app/second-grade-math-trainer/id1312646153)

**Features:** macOS Compatibility

**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 Second Grade Math Trainer free?

Second Grade Math Trainer costs $2.99, with no in-app purchases.

### Is StudyX Smartpaper Letters free?

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

### Do Second Grade Math Trainer or StudyX Smartpaper Letters have ads?

Neither Second Grade Math Trainer nor StudyX Smartpaper Letters shows ads.

### Which is updated more often, Second Grade Math Trainer or StudyX Smartpaper Letters?

Second Grade Math Trainer ships an update every 26 months, and StudyX Smartpaper Letters every 5 months. Most recently, Second Grade Math Trainer was updated on September 9, 2026 and StudyX Smartpaper Letters on September 21, 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.*