QPS Assay Finder vs Research Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QPS Assay Finder
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The global QPS Bioanalytical labs have been developing and validating bioanalytical assays for 30 years. We have more than 800 small molecule, large molecule, genomic and generic assays available. This app will help you to navigate available assays and check to see if we have the assay you are looking for. If you do not see what you are looking for, please visit our website (www.qps.com) and complete a contact form.
Research Notes
Access RSS feeds from hundreds of scientific journals across various subject categories. Download PDFs and utilize a text-to-speech feature for articles. Organize your favorite journals and discover new ones.
- Hundreds of journal RSS feeds
- Subject category filtering
- PDF download functionality
- Text-to-speech for articles
- Favorite journals section
- New journal additions
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Research Notes brings the latest articles from the journals you follow into one clean reading list. FOLLOW JOURNALS • Choose from nearly 700 journals across 29 fields, from cardiology and oncology to genomics and public health • Start with the must-reads, or follow a whole field in a tap • Find any journal by name or publisher TODAY • The latest articles, newest first and grouped by day, each with a short summary • Switch to By journal for a table of contents, one journal at a time • A dot marks what you haven't seen yet, and each journal shows its count for the week • Search everything you follow READ • Read the summary, then the full article on the publisher's site, without leaving the app • Share an article in a tap SAVED • Save the articles you want to come back to • Your journals and saved articles stay on your device, with no account to create MADE FOR iPHONE AND iPAD • On iPad, your journals sit in a sidebar and the article opens beside your list • Clear, large type in light or dark mode Free, with ads.
Screenshots
Verdict
The clearest difference is in-app purchases: QPS Assay Finder at none against Research Notes's 3. QPS Assay Finder also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). Research Notes's advantage is update cadence (weekly vs every 41 months). On price 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. Research Notes sells 3 in-app purchases, starting at $7.49 per 6 months. QPS Assay Finder asks for nothing beyond the download.
QPS Assay Finder ships an update every 41 months, Research Notes weekly. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.
| Parameter | QPS Assay Finder | Research Notes |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (4 ratings) — better |
| Positive reviews | — | 71.4% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 41 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 6 MB |
| Age rating | 17+ | 4+ |
| Developer | QPS, LLC | Omelette, Inc |
In-app purchases
QPS Assay Finder
No in-app purchases
Research Notes
- PDF to Audio for 6 months$7.496 Months
- PDF to Audio for 12 Months$11.991 Year
- Research Notes$4.99
Questions
Is QPS Assay Finder free?
Is Research Notes free?
Do QPS Assay Finder or Research Notes have ads?
Which is updated more often, QPS Assay Finder or Research Notes?
Other comparisons
