Principium Latin vs eHelm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Principium Latin
This app serves as a study aid for a popular Latin textbook, offering chapter-by-chapter practice for grammatical forms and vocabulary. It includes a glossary of all vocabulary and supports optional macron entry.
- Chapter-by-chapter practice
- Grammatical form exercises
- Vocabulary practice
- Optional macron entry
- Glossary of vocabulary
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Principium is the official study aid for Wheelock’s Latin, 7th Edition. The app follows the text chapter by chapter, helping you to practice the grammatical forms for the model words, as well as all of the vocabulary. Macrons are optional, and macron entry is extremely simple: just enter a capital letter. Principium also has a handy glossary of the entire Wheelock’s vocabulary.
eHelm
This app presents various learning content, allowing users to add notes and bookmarks. It tracks usage to optimize the learning experience and content.
- Present learning content
- Add notes and bookmarks
- Track usage and learning experiences
- Facilitate content optimization
- Legacy content support
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eHelm is a mobile app for presenting various forms of learning content. eHelm allows the use of legacy “as-is” and/or new content with added capabilities such as notes and bookmarks. eHelm can be used to track usage and learning experiences to facilitate content optimization and learning.
Screenshots
Verdict
The clearest difference is review sentiment: Principium Latin at 69% against eHelm's 20%. Principium Latin also leads on rating (4.1 vs 2.9) and chart position (#188 vs unranked). eHelm's advantage is price (Free vs $9.99) and iOS requirement (9.2 vs 11.0). On ratings volume, 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
eHelm is free to download; Principium Latin costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Principium Latin holds the better App Store score, 4.1 against 2.9. Both are backed by a comparable volume of ratings — 15 and 42 respectively. Written reviews point the same way: 69% of Principium Latin's written reviews are positive against 20% of eHelm's.
| Parameter | Principium Latin | eHelm |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.1 (15 ratings) — better | 2.9 (42 ratings) |
| Positive reviews | 68.8% of reviews — better | 20.0% of reviews |
| Number of ratings | 15 | 42 — better |
| Update frequency | Every 35 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #188 — better | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 | 9.2 — better |
| Further details — not scored | ||
| Size | 46 MB | 329 MB |
| Age rating | 4+ | 4+ |
| Developer | Joel Gwynn | Naval Air Systems Command |
Customer experience
Principium Latin
eHelm
In-app purchases
Principium Latin
No in-app purchases
eHelm
No in-app purchases







