# 司書試験対策 vs Solfe

The clearest difference is update cadence: Solfe at every 3 days against 司書試験対策's monthly. 司書試験対策's advantage is device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

司書試験対策 ships an update monthly, Solfe every 3 days. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 司書試験対策 | Solfe |
| --- | --- | --- |
| Price | — | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 34 MB | 76 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [satoshi yoshida](https://appshunter.io/developer/1873856165) | [REGNITION, K.K.](https://appshunter.io/developer/1619949682) |

## What reviewers say

### 司書試験対策

[App page](https://appshunter.io/ios/app/id6771861944)

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

**In-app purchases:** none


### Solfe

[App page](https://appshunter.io/ios/app/solfe/id6792741742)

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

**In-app purchases:** none


## Frequently asked questions

### Is 司書試験対策 free?

Pricing for 司書試験対策 is not currently listed on the App Store.

### Is Solfe free?

Solfe is free to download, with no in-app purchases.

### Do 司書試験対策 or Solfe have ads?

Neither 司書試験対策 nor Solfe shows ads.

### Which is updated more often, 司書試験対策 or Solfe?

司書試験対策 ships an update monthly, and Solfe every 3 days. Most recently, 司書試験対策 was updated on October 10, 2026 and Solfe on October 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.*