# タイムフリップスタディ vs Calculator+ 秘密のブラウザとメモ

The clearest difference is in-app purchases: タイムフリップスタディ at none against Calculator+ 秘密のブラウザとメモ's 1. タイムフリップスタディ also leads on update cadence (daily vs every 4 days) and iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Calculator+ 秘密のブラウザとメモ sells 1 one-off in-app purchase. タイムフリップスタディ asks for nothing beyond the download.

タイムフリップスタディ ships an update daily, Calculator+ 秘密のブラウザとメモ every 4 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | タイムフリップスタディ | Calculator+ 秘密のブラウザとメモ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 1 MB | 1 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Yuji Tanaka](https://appshunter.io/developer/1450748397) | [Tomo Takahashi](https://appshunter.io/developer/1858509733) |

## What reviewers say

### タイムフリップスタディ

[App page](https://appshunter.io/ios/app/id6475383272)

**In-app purchases:** none


### Calculator+ 秘密のブラウザとメモ

[App page](https://appshunter.io/ios/app/calculator-plus/id6756207467)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro版 | $2.99 | one-time |


## Frequently asked questions

### Is タイムフリップスタディ free?

タイムフリップスタディ is free to download, with no in-app purchases.

### Is Calculator+ 秘密のブラウザとメモ free?

Calculator+ 秘密のブラウザとメモ is free to download, with in-app purchases available.

### Do タイムフリップスタディ or Calculator+ 秘密のブラウザとメモ have ads?

Neither タイムフリップスタディ nor Calculator+ 秘密のブラウザとメモ shows ads.

### Which is updated more often, タイムフリップスタディ or Calculator+ 秘密のブラウザとメモ?

タイムフリップスタディ ships an update daily, and Calculator+ 秘密のブラウザとメモ every 4 days. Most recently, タイムフリップスタディ was updated on October 5, 2026 and Calculator+ 秘密のブラウザとメモ on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*