Un7z vs Do Homework
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Un7z
Easily extract .7z files directly from emails, Safari, or other apps that support the 'open-in' feature. Organize your files with multi-level folders, rename, copy, and delete them. View a wide range of document and media formats, and even print your files.
- Extract .7z files from other apps
- Multi-level folder management
- File renaming, copying, cutting, pasting, and deletion
- Search functionality
- View various document and media formats
- Print support
- File sorting
Read full descriptionHide full description
Features: 1. You can open the .7z file from mail, safari or some other apps that supported open-in feature, and extract it; Also allows other Apps to open local files (Just tap and hold the file’s icon, then the “Open-in” menu will appear). 2. Multi-level folder supported, you can create folders & subfolders in “RarExtractor”, conveniently manage your files. 3. Supports rename, copy, cut, paste, delete, mail features 4. Search feature supported for finding out the files you want. 5. Supports large amount of file formats viewing (doc, docx, xls, xlsx, pdf, ppt, pptx, mp3, mp4 etc.). 6. Supports print feature. 7. Supports file sorting feature. Note: Password protected file is not supported.
Do Homework
Edit PDFs and images directly, saving changes to new files without altering originals. Merge documents, work with cloud storage, and use a scratchpad for notes. Share files and chat with friends.
- Edit PDFs and images directly
- Save edits to new files
- Merge PDFs and images
- Work with Google Drive
- Cloud file sharing
- Scratchpad for notes
- Draw lines and circles
Read full descriptionHide full description
Do homework on PDF and images directly 1. Save to separate file, without changing original, continuously editable. 2. Merge to new PDF or images. 3. Work on Google Drive directly. 4. Http transfer files to local. 5. Scratch papper. 6. Local folder structure. 7. Draw line and circle. 8. Cloud share files. 9. Chat with friends.
Screenshots
Verdict
The clearest difference is price: Do Homework at Free against Un7z's $0.99. Do Homework also leads on rating (2.3 vs 1.3) and review sentiment (50% vs 13%). Un7z's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 11.0). On ratings volume, ads 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
Do Homework is free to download; Un7z costs $0.99 up front. Do Homework sells 1 one-off in-app purchase. Un7z asks for nothing beyond the download.
Do Homework holds the better App Store score, 2.3 against 1.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 13% of Un7z's written reviews are positive against 50% of Do Homework's.
Un7z ships an update every 31 months, Do Homework fortnightly. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.
| Parameter | Un7z | Do Homework |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.3 (3 ratings) | 2.3 (3 ratings) — better |
| Positive reviews | 13.3% of reviews | 50.0% of reviews — better |
| Number of ratings | 3 | 3 |
| Update frequency | Every 31 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 2 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | 冠兰 姜 | Heavenbrook Software Inc. |
Customer experience
Un7z
Do Homework
In-app purchases
Un7z
No in-app purchases
Do Homework
- Do homework upgrade$1.99









