# i vs do!book

The clearest difference is update cadence: i at monthly against do!book's every 2 months. do!book's advantage is iOS requirement (9.0 vs 26.0). 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.

i ships an update monthly, do!book every 2 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | i | do!book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/i-reporter/id467898034/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 209 MB | 5 MB |
| Requires iOS | 26.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CIMTOPS CORPORATION](https://appshunter.io/developer/467897514) | [Digital Office  Japan  Inc.](https://appshunter.io/developer/348581782) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-reporter/id467898034)

Digitize paper workflows with an iPad solution for reports and records. Improve efficiency, speed, and operational quality by creating custom input forms and managing all documents in a central database. Seamlessly integrate with back-end systems via Web API.

**Highlights:** Create custom iPad input forms, Digitalize existing paper forms, Offline operation capability, Reference document browsing (HTML, PDF, images, etc.), Automatic system integration via Web API, Excel file input and output

**Features:** Vision Pro support

**In-app purchases:** none


### do!book

[App page](https://appshunter.io/ios/app/dobook/id1459068800)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is do!book free?

do!book is free to download, with no in-app purchases.

### Do i or do!book have ads?

Neither i nor do!book shows ads.

### Which is updated more often, i or do!book?

i ships an update monthly, and do!book every 2 months. Most recently, i was updated on October 29, 2026 and do!book on October 26, 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.*