twiinvoice vs Scanem
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
twiinvoice
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twiinvoice is the ultimate work from anywhere voice app. Whether you are working from the office, at home or out on the road, the twiinvoice app from technologywithin, means that you’ll never miss a business call. It twi(i)ns your mobile with your desk phone, allowing you to make and answer calls using your business number with ease. So, you’ll only ever need to give contacts one phone number, because they’ll always be able to reach you.
Scanem
Easily scan documents using your phone's camera and enhance their quality. This app allows you to customize, compress, sign, and secure your PDFs without watermarks or paywalls. Share your documents instantly in a private and efficient manner.
- Scan documents with camera
- Enhance quality and readability
- Compress PDF file size
- Sign and markup PDFs
- Lock PDFs with password
- One-tap sharing
- 100% private, on-device storage
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Scanem is a free PDF document scanner for iPhone. Use your camera to scan receipts, notes, and multi-page documents, then adjust the result before saving or sharing it. ■ FEATURES - Scan one or more pages: Capture paper documents with the built-in document camera, then crop or rotate pages as needed. - Adjust your scan: Choose color, grayscale, or black and white, apply enhancement, and set the PDF quality and dimensions. - Control file size: Use lower quality or smaller dimensions when you need a PDF that takes up less space and is easier to share. - Preview and rename: Review the complete PDF, check its file size, and change its name before exporting. - Mark up the document: Use the built-in PDF preview to add markup and make final edits before saving or sharing. - Save or share: Export the PDF to Files, Mail, and other apps. ■ HOW IT WORKS 1. Scan your document with the camera. 2. Review the pages and adjust the PDF. 3. Save it to Files or share it. ■ PRIVATE AND FREE - Your scanned documents are processed on your iPhone and are not uploaded by Scanem. - Every feature is free to use, with no subscriptions, paywalls, or watermarks. Scanem keeps document scanning simple, from the first page to the finished PDF. Terms of Use: - https://scannerapp.notion.site/scan-terms-of-use
Screenshots
Verdict
The clearest difference is update cadence: Scanem at every 5 weeks against twiinvoice's every 7 months. twiinvoice's advantage is iOS requirement (12.0 vs 26.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
twiinvoice ships an update every 7 months, Scanem every 5 weeks. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.
| Parameter | twiinvoice | Scanem |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (15 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 15 — better |
| Update frequency | Every 7 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 62 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | TECHNOLOGY WITHIN LIMITED | Labi, LLC |
In-app purchases
twiinvoice
No in-app purchases
Scanem
No in-app purchases
Questions
Is twiinvoice free?
Is Scanem free?
Do twiinvoice or Scanem have ads?
Which is updated more often, twiinvoice or Scanem?
Other comparisons
