DuoNinja vs Speak Indo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DuoNinja
Master new languages through comprehensible input and build vocabulary with interactive lessons. Enhance reading and listening fluency with authentic content like news and books. Utilize AI-powered tools and dictionaries to quickly look up words and fill knowledge gaps.
- Comprehensible input for language mastery
- Vocabulary building lessons
- Reading and listening fluency practice
- News, texts, and book content
- Flashcards for knowledge gaps
- AI-powered word lookup
- Dictionary integration
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Use comprehensible input to master any language. Build up your base vocabulary with lessons. Then focus on reading & listening fluency through news, texts and books. Use flashcards and lessons to fill the gaps. Look up any word with AI or with dictionaries. Terms of Use: https://www.duoninja.com/terms Privacy Policy: https://www.duoninja.com/privacy
Speak Indo
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Speak Indo teaches Indonesian the way it actually sticks: a few words a day, then those same words waiting for you inside a conversation you can almost read. WHY IT WORKS Most apps drill words in isolation and hope they survive. Speak Indo puts every word you learn back in front of you inside real Indonesian sentences, at the moment you were about to forget it. Read a conversation, tap a word you do not know, add it to your deck, and it comes back tomorrow in context. Every conversation is labelled with how much of it you already know. That number is the point. It is how you find the one sitting just past your level instead of miles beyond it. WHAT IS IN IT 1,332 words chosen for daily life in Indonesia rather than for a textbook. Food, directions, bargaining, small talk, getting a SIM card, apologising properly. 163 conversations at your level, from ordering breakfast at a warung to an afternoon of rain in Jakarta. 87 lessons in order, from greetings to the verbs you need every day. The app remembers where you stopped and opens on the next one. Recorded pronunciation for all 1,332 words, stored on your phone. It works on a plane, in a warung with no signal, anywhere. Spaced repetition that adapts to you. Words you find hard come back sooner. Words you know get out of the way. 30 short grammar chapters, and seven quiz games, five of them free. WHAT FREE COVERS Ten new words, one new Journey lesson and one quiz a day, and one new conversation a week. Reviews are never capped, and neither is re-reading. Practising words you have already started, and going back through a conversation you have already opened, are unlimited on every plan. That is the part that makes them stay. No account is needed to start or use the free learning experience. Sign in only for sync and purchases, and keep learning offline. WHAT PRO ADDS No limit on new words, Journey lessons, quizzes or conversations. Say It, speaking practice that listens to you say a word and points at the exact sound to fix. Listen Up, where you hear a word and choose what it means. Your progress in detail: accuracy over time, your strongest categories, and the words you get wrong most. BUILT FOR ONE LANGUAGE Speak Indo only does Indonesian. Nothing here is a translated shell of a Spanish course. The vocabulary, the conversations and the audio were all built for Bahasa Indonesia. SUBSCRIPTION AND TERMS Speak Indo Pro is available as a monthly subscription (USD 5.99, EUR 6.99) or a yearly subscription (USD 44.99, EUR 49.99). The yearly EUR price is about EUR 0.14 a day when billed annually. Lifetime (USD 89.00, EUR 99.00) is a one time purchase and is not a subscription. Prices vary by country and the exact amount is always shown before you confirm. Monthly and yearly both start with a seven day free trial. Payment is charged to your Apple Account when you confirm the purchase. A subscription renews automatically unless you cancel at least 24 hours before the end of the current period, and renewal is charged within 24 hours of the period ending. You can manage or cancel a subscription in your Apple Account settings. Any unused part of a free trial is forfeited when you buy a subscription. Terms of Use: https://speak-indo.com/terms Privacy Policy: https://speak-indo.com/privacy
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Verdict
The clearest difference is device support: DuoNinja at 3 against Speak Indo's 1. DuoNinja also leads on iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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. DuoNinja sells 2 in-app purchases, starting at $7.99 per month and Speak Indo sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | DuoNinja | Speak Indo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 21 MB |
| Age rating | 12+ | 4+ |
| Developer | Mink OÜ | NICCOLO VALENTI |
In-app purchases
DuoNinja
- Premium Monthly$7.991 Month
- Premium Yearly$47.901 Year
Speak Indo
- Speak Indo Pro Monthly7 Days trial$5.991 Month
- Speak Indo Pro Yearly7 Days trial$44.991 Year
- Speak Indo Lifetime$89.00









