SDFVidya vs emoi
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SDFVidya
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SDF Vidya is SDF organisation's philanthropic initiative, to better the lives of needy and focusing on uplifting the quality of life by providing the scholarships for the meritorious students from economically challenged families.
emoi
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emoi is a social chat app that handles the translation for you. Pick your native language from five โ Korean, Vietnamese, Japanese, Chinese, English โ and what you write arrives in the other person's language. The original is always one tap away, which makes emoi a good place to practise a language too. - Auto-translated 1:1 chat โ five languages, switch between original and translation anytime - Long-press a message to flag an odd translation โ we don't hide the limits of machine translation - Chats open only on a mutual like or an accepted request โ no unwanted messages - Friendship, language exchange, dating โ set what you are here for and find people who match - Report and block from every screen, with automatic warnings on risky conversations The app interface is available in Korean, Vietnamese, Japanese, Chinese and English. emoi does not guarantee meetings or replies from real people; it focuses on keeping conversations safe. You must be 18 or older to use it.
Screenshots
Verdict
The clearest difference is in-app purchases: SDFVidya at none against emoi's 5. SDFVidya also leads on iOS requirement (13.0 vs 15.0). emoi's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. emoi sells 5 one-off in-app purchases. SDFVidya asks for nothing beyond the download.
SDFVidya ships an update every 2 months, emoi daily. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.
| Parameter | SDFVidya | emoi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Daily โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 13.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 12 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | INNOVATIONS INVESTMENT MANAGEMENT INDIA PRIVATE LIMITED | dongchun park |
In-app purchases
SDFVidya
No in-app purchases
emoi
- 550 Gen$2.99
- 1,600 Gen$6.99
- 2,400 Gen$9.99
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- 5,200 Gen$19.99
- 9,000 Gen$34.99









