# 高校数学の解法 vs Poe Language Lens

The clearest difference is ads: Poe Language Lens at none against 高校数学の解法's shown. 高校数学の解法's advantage is iOS requirement (15.0 vs 26.5). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 高校数学の解法 sells 2 one-off in-app purchases and Poe Language Lens sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

高校数学の解法 ships an update every 4 days, Poe Language Lens every 6 days. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 高校数学の解法 | Poe Language Lens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/poe-language-lens/id6792391236/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | — | Freemium |
| Size | 152 MB | 266 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shogo Shibuya](https://appshunter.io/developer/1671795647) | [Joseph Petrakovich](https://appshunter.io/developer/1860451302) |

## What reviewers say

### 高校数学の解法

[App page](https://appshunter.io/ios/app/id6445906314)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の非表示 | $2.99 | one-time |
| Premium（買い切り） | $14.99 | one-time |


### Poe Language Lens

[App page](https://appshunter.io/ios/app/poe-language-lens/id6792391236)

Instantly learn vocabulary from any text on your device or camera feed. Get definitions and translations without needing an internet connection. Ideal for language students seeking efficient, context-aware learning.

**Highlights:** On-screen dictionary lookup, Camera text recognition, Seamless app integration, Offline dictionary and OCR, Multiple language support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Boosted | $4.99 | per month |


## Frequently asked questions

### Is 高校数学の解法 free?

高校数学の解法 is free to download, with in-app purchases available.

### Is Poe Language Lens free?

Poe Language Lens is free to download, with in-app purchases available.

### Do 高校数学の解法 or Poe Language Lens have ads?

高校数学の解法 shows ads; Poe Language Lens does not.

### Which is updated more often, 高校数学の解法 or Poe Language Lens?

高校数学の解法 ships an update every 4 days, and Poe Language Lens every 6 days. Most recently, 高校数学の解法 was updated on October 10, 2026 and Poe Language Lens on October 16, 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.*