LCEDict vs Formula Conversion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LCEDict
This app offers a practical guide to common English errors for learners and educators. It focuses on words and phrases that frequently cause difficulty for non-native speakers, regardless of their background.
- Guide to common English errors
- Correction of mistakes
- Focus on difficult words and phrases
- Suitable for all foreign learners
- Practical resource for teachers
Read full descriptionHide full description
The Dictionary of Common Errors provides learners and teachers of English with a practical guide to common errors and their correction. It contains the words and phrases which regularly cause difficulty for foreign learners, regardless of nationality and language background.
Formula Conversion
Read full descriptionHide full description
It is a formula conversion application. You can print a formula or a modified formula. You can save unmodified formulas to your phone's storage medium and then open it if necessary. Upgrading An application without an upgrade is limited to 24 formula conversions. If you want to convert the formula more than ten times, you must make an in-app purchase. Creating and opening a formula You can open the formula by clicking the first button on the toolbar. You can create a new formula using the symbols, symbols, numbers, and letters on the keyboard. You can change the font size of letters and symbols by pressing the "alp." Or "ALP." And "sym." Or "SYM." Buttons on the toolbar. If you wish, you can delete the characters by pressing the "del." Key. And use the arrows to move between the elements of the formula. Formatting the formula You can format the formula by first selecting the characters you want to change. The selection key is "Sel.", And you can then select by scrolling between the elements of the formula or by pressing the finger on the desired character. You can format the selected formula by pressing the second button on the toolbar from the back. You can change the font, font size, font, and font color Saving and printing the sample You can save the formula by pressing another button on the toolbar. Press the third button on the toolbar to print. If you want to delete the saved formulas, press the fourth button on the toolbar. Converting a formula When the formula is ready, you can publish parts of the formula. To publish part of a formula, select the item with the cursor. Press the fifth button on the toolbar to publish the formula. You can also print the converted formula by clicking the "Print" button. Zoom a formula If you want to increase or decrease the formula, press the third button on the back of the toolbar.
Screenshots
Verdict
The clearest difference is in-app purchases: LCEDict at none against Formula Conversion's 1. LCEDict also leads on update cadence (every 9 months vs every 26 months) and iOS requirement (9.0 vs 14.1). On price, ads 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. Formula Conversion sells 1 one-off in-app purchase. LCEDict asks for nothing beyond the download.
LCEDict ships an update every 9 months, Formula Conversion every 26 months. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.
| Parameter | LCEDict | Formula Conversion |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (5 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 9 months — better | Every 26 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 14.1 |
| Further details — not scored | ||
| Size | 15 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Hung Phuoc Tran | Janek Soomets |
In-app purchases
LCEDict
No in-app purchases
Formula Conversion
- Upgrade Formula Conversion$3.99
Questions
Is LCEDict free?
Is Formula Conversion free?
Do LCEDict or Formula Conversion have ads?
Which is updated more often, LCEDict or Formula Conversion?
Other comparisons















