Smart PDF+ Editor vs Diddo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart PDF+ Editor
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.
- Ink annotations
- Document signing
- File organization
- PDF reading
- Document sharing
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Smart PDF is a PDF editor specially optimized for ink annotations. Use it with an Apple Pencil for the ultimate ease in note taking. Great for professionals Quickly sign and send documents. Review, annotate and share files with your colleagues. Great for students If you spend a lot of time reading and studying documents on your iPad, then Smart PDF is an indispensable tool for getting the most out of your study time. Take notes on documents in class, or while studying at home. Keep all your files organized with the built-in file manager, with color-coded categories. We hope you enjoy Smart PDF! -- The App Makers @ Qrayon
Diddo
Track your time spent on specific activities to achieve your goals. Monitor your progress on daily study targets or any other time-based objective.
- Time tracking for activities
- Goal setting
- Progress monitoring
- Daily study tracking
- Activity logging
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Hit your goals by tracking how much time you spent doing them. For example, if you want to study for two hours every day, this is the app for you. You can track how much time you spent studying.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Smart PDF+ Editor | Diddo |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.8 (53 ratings) | 4.0 (2 ratings) — better |
| Positive reviews | 5.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 53 — better | 2 |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Qrayon, LLC | Deeds |
Customer experience
Smart PDF+ Editor
Diddo
In-app purchases
Smart PDF+ Editor
No in-app purchases
Diddo
No in-app purchases
