# i明志 vs ReadPilot

The clearest difference is in-app purchases: i明志 at none against ReadPilot's 4. i明志 also leads on iOS requirement (13.0 vs 15.0). ReadPilot's advantage is update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. ReadPilot sells 4 in-app purchases, starting at $4.99 per month. i明志 asks for nothing beyond the download.

i明志 ships an update every 2 months, ReadPilot every 2 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | i明志 | ReadPilot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 17 MB | 31 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [文鶴出版有限公司](https://appshunter.io/developer/1290622931) | [Jun Zhi Wang](https://appshunter.io/developer/1880679459) |

## What reviewers say

### i明志

[App page](https://appshunter.io/ios/app/i/id1527721742)

**In-app purchases:** none


### ReadPilot

[App page](https://appshunter.io/ios/app/readpilot-textbook-reader/id6802956389)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 標準版（月） | $4.99 | per month |
| 專業版（月） | $9.99 | per month |
| 標準版（年） | $39.99 | per year |
| 專業版（年） | $74.99 | per year |


## Frequently asked questions

### Is i明志 free?

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

### Is ReadPilot free?

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

### Do i明志 or ReadPilot have ads?

Neither i明志 nor ReadPilot shows ads.

### Which is updated more often, i明志 or ReadPilot?

i明志 ships an update every 2 months, and ReadPilot every 2 days. Most recently, i明志 was updated on October 13, 2026 and ReadPilot on October 24, 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.*