# SmoothOCR vs Task Rainbow

The clearest difference is price: Task Rainbow at Free against SmoothOCR's $3.99. SmoothOCR's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Task Rainbow is free to download; SmoothOCR costs $3.99 up front. Task Rainbow sells 2 in-app purchases, starting at $2.99 per month. SmoothOCR asks for nothing beyond the download.

SmoothOCR ships an update fortnightly, Task Rainbow every 2 weeks. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | SmoothOCR | Task Rainbow |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 85 MB |
| Requires iOS | **17.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shinya Saito](https://appshunter.io/developer/1716313060) | [Toshiaki Nakamura](https://appshunter.io/developer/822485897) |

## What reviewers say

### SmoothOCR

[App page](https://appshunter.io/ios/app/smoothocr/id6476489172)

This application converts camera-captured text into editable digital text. It supports continuous scanning, multi-page management, and multilingual recognition, including Japanese vertical writing. Output options include text files, PDFs, and iCloud synchronization.

**Highlights:** Continuous text scanning, Multi-page management, Text editing, TXT and PDF file export, iCloud data synchronization, Multilingual support

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

**In-app purchases:** none


### Task Rainbow

[App page](https://appshunter.io/ios/app/task-rainbow-time-tracker/id6745430170)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $2.99 | per month |
| Premium 1 year | $19.99 | per year |


## Frequently asked questions

### Is SmoothOCR free?

SmoothOCR costs $3.99, with no in-app purchases.

### Is Task Rainbow free?

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

### Do SmoothOCR or Task Rainbow have ads?

Neither SmoothOCR nor Task Rainbow shows ads.

### Which is updated more often, SmoothOCR or Task Rainbow?

SmoothOCR ships an update fortnightly, and Task Rainbow every 2 weeks. Most recently, SmoothOCR was updated on November 4, 2026 and Task Rainbow on November 6, 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.*