# i vs シカスタ【歯科衛生士国家試験対策】

The clearest difference is ads: シカスタ【歯科衛生士国家試験対策】 at none against i's shown. シカスタ【歯科衛生士国家試験対策】 also leads on iOS requirement (15.6 vs 18.0). i's advantage is update cadence (every 6 days vs every 2 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. i sells 10 one-off in-app purchases and シカスタ【歯科衛生士国家試験対策】 sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

i ships an update every 6 days, シカスタ【歯科衛生士国家試験対策】 every 2 weeks. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | i | シカスタ【歯科衛生士国家試験対策】 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/i-memorize-sheet/id803026043/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 74 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [BrainApp LLC](https://appshunter.io/developer/726018559) | [株式会社タンクル](https://appshunter.io/developer/1290077507) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-memorize-sheet/id803026043)

This app allows users to hide text in study materials using a filter, mimicking a red sheet for effective memorization. It supports photos and PDFs, enabling studying anytime, anywhere with just a smartphone.

**Highlights:** Hide text with red filter effect, Study photos and PDFs, Add check marks for progress, Efficient study with navigation, Use anytime, anywhere

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| i-Memorize Sheet Remove ADs Option | $0.99 | one-time |
| imc00010 | $0.99 | one-time |
| imc00020 | $0.99 | one-time |
| i-Mem-Contents imc00030 | $0.99 | one-time |
| i-Mem-Contents imc00040 | $0.99 | one-time |
| i-Mem-Contents imc00010 | $0.99 | one-time |
| i-memorize Sheet File-Limit release add-on | $2.99 | one-time |
| i-memorize Sheet PDF page-Limit release add-on | $4.99 | one-time |
| Pro licence(campaign) | $5.99 | one-time |
| i-memorize Sheet Limit release add-on | $6.99 | one-time |


### シカスタ【歯科衛生士国家試験対策】

[App page](https://appshunter.io/ios/app/id1638679643)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ベーシックプラン（月額制） | $6.99 | per month |
| プレミアムプラン（月額制） | $71.99 | per month |


## Frequently asked questions

### Is i free?

i is free to download, with in-app purchases available.

### Is シカスタ【歯科衛生士国家試験対策】 free?

シカスタ【歯科衛生士国家試験対策】 is free to download, with in-app purchases available.

### Do i or シカスタ【歯科衛生士国家試験対策】 have ads?

i shows ads; シカスタ【歯科衛生士国家試験対策】 does not.

### Which is updated more often, i or シカスタ【歯科衛生士国家試験対策】?

i ships an update every 6 days, and シカスタ【歯科衛生士国家試験対策】 every 2 weeks. Most recently, i was updated on September 22, 2026 and シカスタ【歯科衛生士国家試験対策】 on September 13, 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.*