# Second Grade Math Trainer vs PupScan

The clearest difference is update cadence: PupScan at every 4 months against Second Grade Math Trainer's every 26 months. PupScan also leads on price ($0.99 vs $2.99). Second Grade Math Trainer's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Second Grade Math Trainer costs $2.99 and PupScan $0.99 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, PupScan every 4 months. The most recent releases landed on September 28, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Second Grade Math Trainer | PupScan |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pupscan/id6450377905/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 4 months** |
| Monetization | — | Paid |
| Size | 17 MB | 111 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [缤 黄](https://appshunter.io/developer/1624908444) |

## 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


### PupScan

[App page](https://appshunter.io/ios/app/pupscan/id6450377905)

Instantly identify over 120 dog breeds using advanced deep learning technology. Get detailed breed information, including history, temperament, and traits, with a simple photo scan or description. This user-friendly app prioritizes your privacy by not collecting any personal data.

**Highlights:** Identify 120+ dog breeds, AI-powered breed classification, Detailed breed introductions, User-friendly interface, Privacy-focused, no data collection, Fast, instant results

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

**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 PupScan free?

PupScan costs $0.99, with no in-app purchases.

### Do Second Grade Math Trainer or PupScan have ads?

Neither Second Grade Math Trainer nor PupScan shows ads.

### Which is updated more often, Second Grade Math Trainer or PupScan?

Second Grade Math Trainer ships an update every 26 months, and PupScan every 4 months. Most recently, Second Grade Math Trainer was updated on September 28, 2026 and PupScan on September 22, 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.*