Lemma Box vs Regulora
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lemma Box
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Lemma Box is a private offline vocab desk — file word decks, lemmas, and flashcards, then find any card before the quiz.
Regulora
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REGULORA is an offline studio for exploring feedback systems. Set target bands, create response rules, run simulations, and inspect how systems recover from change. Compare strategies, follow guided studies, and save your findings in a fieldbook. No account or internet connection is required. Your projects remain on your device unless you choose to export or share them.
Screenshots
Verdict
The clearest difference is iOS requirement: Lemma Box at 13.0 against Regulora's 15.0. 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.
| Parameter | Lemma Box | Regulora |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 59 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Vinyl Folio | VAN THANH TRAN |
In-app purchases
Lemma Box
No in-app purchases
Regulora
No in-app purchases
