# Smart PDF+ Editor vs Diddo

The clearest difference is review sentiment: Diddo at 100% against Smart PDF+ Editor's 5%. Diddo also leads on price (Free vs $4.99) and rating (4.0 vs 3.8). Smart PDF+ Editor's advantage is ratings volume (53 vs 2). On ads, in-app purchases and device support there is nothing between them.

Diddo is free to download; Smart PDF+ Editor costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Diddo holds the better App Store score, 4.0 against 3.8. That said, the two scores are not equally well evidenced: Smart PDF+ Editor has 53 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 5% of Smart PDF+ Editor's written reviews are positive against 100% of Diddo's.

## The numbers

| Metric | Smart PDF+ Editor | Diddo |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.8 (53 ratings)](https://appshunter.io/ios/app/smart-pdf-plus-editor/id1184082898/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/diddo/id1606770610/reviews)** |
| Number of ratings | **53** | 2 |
| Positive reviews | 5.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Paid | **Free** |
| Size | 11 MB | 29 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qrayon, LLC](https://appshunter.io/developer/354980265) | [Deeds](https://appshunter.io/developer/1247138869) |

## What reviewers say

### Smart PDF+ Editor

[App page](https://appshunter.io/ios/app/smart-pdf-plus-editor/id1184082898)

This app allows users to read, sign, and annotate PDF documents, especially with stylus input. It's designed for professionals to quickly handle documents and for students to take notes on study materials. Features include a built-in file manager for organization.

**Highlights:** Ink annotations, Document signing, File organization, PDF reading, Document sharing

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

**In-app purchases:** none


### Diddo

[App page](https://appshunter.io/ios/app/diddo/id1606770610)

Track your time spent on specific activities to achieve your goals. Monitor your progress on daily study targets or any other time-based objective.

**Highlights:** Time tracking for activities, Goal setting, Progress monitoring, Daily study tracking, Activity logging

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart PDF+ Editor free?

Smart PDF+ Editor costs $4.99, with no in-app purchases.

### Is Diddo free?

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

### Which has better reviews, Smart PDF+ Editor or Diddo?

Diddo is rated higher. Smart PDF+ Editor averages 3.8 out of 5 from 53 ratings, while Diddo averages 4.0 from 2 ratings.

### Do Smart PDF+ Editor or Diddo have ads?

Neither Smart PDF+ Editor nor Diddo shows ads.

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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.*