# いわぽんReader vs COLI+

The clearest difference is update cadence: いわぽんReader at every 2 months against COLI+'s every 20 months. COLI+'s advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

いわぽんReader ships an update every 2 months, COLI+ every 20 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | いわぽんReader | COLI+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 20 months |
| Size | 71 MB | 227 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [岩手日報社](https://appshunter.io/developer/1469001715) | [PNB.Inc](https://appshunter.io/developer/1762564850) |

## What reviewers say

### いわぽんReader

[App page](https://appshunter.io/ios/app/reader/id1525190052)

**Features:** Vision Pro support

**In-app purchases:** none


### COLI+

[App page](https://appshunter.io/ios/app/coli-plus/id6633421506)

**In-app purchases:** none


## Frequently asked questions

### Is いわぽんReader free?

いわぽんReader is free to download, with no in-app purchases.

### Is COLI+ free?

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

### Do いわぽんReader or COLI+ have ads?

Neither いわぽんReader nor COLI+ shows ads.

### Which is updated more often, いわぽんReader or COLI+?

いわぽんReader ships an update every 2 months, and COLI+ every 20 months. Most recently, いわぽんReader was updated on October 3, 2026 and COLI+ on October 4, 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.*