Acidity vs Named entity recognition
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Acidity
This utility extension for Safari provides quick access to archived versions of web pages. It allows users to manually navigate to archives or set up automatic redirection based on custom regex patterns.
- Access archived page versions
- Toolbar action for quick access
- Regex matching for automatic navigation
- Safari extension
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Acidity is a Safari extension for navigating to archived versions of pages. Quickly access page archives through a button in the toolbar. Specify regex matches to automatically redirect certain sites to archives.
Named entity recognition
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Identifying people, places, and organizations by using a linguistic tagger to perform named entity recognition(NER) on a string. ※Named entity recognition(NER)
Screenshots
Verdict
The clearest difference is ads: Acidity at none against Named entity recognition's shown. Named entity recognition's advantage is update cadence (fortnightly vs every 4 months). On price, in-app purchases, device support and iOS requirement 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.
Acidity ships an update every 4 months, Named entity recognition fortnightly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.
| Parameter | Acidity | Named entity recognition |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (10 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 8 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Octalwise | Hideaki Uchikoshi |
In-app purchases
Acidity
No in-app purchases
Named entity recognition
No in-app purchases
Questions
Is Acidity free?
Is Named entity recognition free?
Do Acidity or Named entity recognition have ads?
Which is updated more often, Acidity or Named entity recognition?
Other comparisons
