Pocket EE Primer vs FullForms
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pocket EE Primer
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This is designed as a pocket reference for undergraduate electrical engineering. It includes theories, solvers, and examples for fundamental EE courses listed as follows: + circuits, + digital, + power systems, and fields. There is also a reference section that provides a refresher in math and units as applied to electrical engineering. Emphasis is placed on basic circuit theory such as: + impedance, + magnitude, + phase angle, + series circuits, + parallel circuits, etc. Even though this is intended for the undergrad EE student, this also provides a quick reference for the engineers, hobbyists, scientists, or just enthusiasts of circuits. If your like this app, please check out our other stickers and apps by searching under Sigma Sky, LLC in the Apple app store. No in-app purchase. No ads. No subscriptions. Accessible offline.
FullForms
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FullForms is a fast, free abbreviation dictionary. Search any abbreviation and get the full form, along with its category, region, type and a clear explanation of what it actually means. And when you want a home for your own terminology, FullForms List lets you build glossaries from scratch: your terms, your definitions, your lists. FIND ANY ABBREVIATION • Instant search with type-ahead • Every meaning, ranked by popularity, so the one you want is first • Filter by category and by country or region • Browse 17 curated categories, from Medical and Computing to Airport Codes • A plain-English explanation for every entry, not just the expansion • Hear how a term is pronounced, or have the whole entry read aloud • Bookmark anything to come back to later BUILD YOUR OWN GLOSSARIES • Create lists of terms and definitions for your job, your course or your team • Rich descriptions with links between related entries, images and private notes • Tag, filter and search across every list you have • Lists are private by default; make one public when you want to share it • Team workspaces with roles, for glossaries a whole team maintains • Suggestions and reports, so a public list can be improved by its readers STUDY UNTIL IT STICKS • Slideshows to review a list hands-free • Flashcards to test yourself • Practice mode with spaced repetition, so the ones you keep forgetting come round more often ANYWHERE ON YOUR IPHONE • Select text in any app, tap Share, and pick FullForms: "Search in FullForms" looks it up, "Add to FullForms List" starts a new entry with it • Ask Siri: say "Search FullForms" or "Add to FullForms" • Both actions also appear in the Shortcuts app and in Spotlight • Home Screen widgets for your lists: an entry of the day, quick Study and Practice, and your latest entries BUILT FOR REAL USE • Your lists work offline, and changes sync when you are back online • Light and dark themes, with adjustable text size • Sign in with Apple or Google • Free, and no ads Search works without an account. Sign in only when you want to bookmark results or build lists of your own.
Screenshots
Verdict
The clearest difference is update cadence: FullForms at every 2 days against Pocket EE Primer's every 25 months. FullForms also leads on iOS requirement (15.0 vs 17.6). 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.
Pocket EE Primer ships an update every 25 months, FullForms every 2 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.
| Parameter | Pocket EE Primer | FullForms |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 25 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Sigma Sky, LLC | FullForms |
In-app purchases
Pocket EE Primer
No in-app purchases
FullForms
No in-app purchases





