Language Learning vs Sierra Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Language Learning
Practice speaking over 25 languages with an advanced AI companion. Engage in realistic conversations, receive instant feedback on pronunciation and grammar, and build fluency and confidence through personalized learning plans. Focus on vocabulary you'll actually use in real-life scenarios.
- AI speaking companion
- Real-life conversation practice
- Instant feedback on pronunciation and grammar
- Personalized learning plans
- Learn 25+ languages
- Adaptive progress tracking
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Learn a new language through real conversations with Pingo. Loved by 8,000,000+ users, Pingo uses the most advanced AI built for language learning so you can have real-life conversations, get instant feedback, and learn words you’ll actually use. Speak to Pingo as you would a friend. Want to practice ordering at a café in Paris? Debate politics in Spanish? Or chat about K-dramas in Korean? Talk about your day, ask questions, and explore the language together. Practice speaking from 25+ languages to refine your vocabulary, become fluent, and speak confidently. Learn 25+ languages: English, Spanish, French, German, Japanese, Korean, Italian, Chinese, Portuguese, Russian, Arabic, Dutch, Turkish, Polish, Vietnamese, Hindi, Thai, Hebrew, Greek, Indonesian, Swedish, Norwegian, Danish, Persian, and Ukrainian. How to use Pingo AI 1) Speak to Pingo! Tell Pingo your language goals. 2) Get a personalized learning plan. 3) Practice speaking in real-life conversations. 4) Pingo remembers your progress and adapts as you improve — your personal speaking tutor. 5) Receive instant feedback on pronunciation and grammar for every language conversation. 6) Build real fluency and lasting confidence. Learn a language today! Pingo AI transforms self-guided practice into a goal-oriented, interactive learning experience that’s far more effective than simply repeating basic phrases aloud or struggling to find opportunities for real-life conversations. Ditch static, repetitive modules and boring lessons. At Pingo AI, we’re building the most dynamic and immersive AI language learning experience ever to help you reach your language goals as fast as possible. If you have any ideas or questions, please email us at support@pingo.ai. Subscription Details: Pingo Pro A subscription is required to access full conversation practice and personalized language learning features. Pingo AI offers monthly and annual auto-renewing subscriptions. Payment is charged when your purchase is confirmed. Subscriptions renew automatically unless canceled 24 hours before the end of the current billing period. You can manage or cancel your subscription anytime. Terms: https://pingo.ai/terms Privacy Policy: https://pingo.ai/privacy
Sierra Math
This app provides focused math practice for third graders, aligning with California's Common Core standards. It offers clear explanations for incorrect answers and tracks mastery over time, with weekly summaries for parents. Practice is available offline and designed for concentration, not distraction.
- 10-question practice sessions
- Grade-appropriate explanations
- Skill mastery tracking
- Weekly parent summaries
- Offline practice
- No distracting game mechanics
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Ten calm minutes. Real math. No game. I built Sierra Math for my own daughter's Grade 3 practice, so it's made the way I'd want it as a parent: something you can check once a week and actually trust. No loot boxes. No coin economy. No flashy game loop. Just clear practice, honest feedback, and real progress you can see. HOW IT WORKS Your child picks up where they left off with one clear "Start Practice" button. No menus to get lost in. Each session is 10 questions covering California Grade 3 math standards, mixing multiple-choice and numeric-entry questions. Wrong answers come with a simple, grade-appropriate explanation, not just a red X. Skills are marked mastered only after consistent accuracy over time, not after one lucky session. BUILT FOR FOCUS, NOT DISTRACTION A simple daily streak keeps practice going without turning learning into a slot machine. Small mastery and streak badges celebrate real progress. No points, no store, no currency to manage. Every screen is calm and clear. Kids get an obvious next step. Parents get real signal. FOR PARENTS A clear weekly summary: questions answered, accuracy, current streak, and which skills need more practice. Grade-level progress you can actually read, not a wall of stats. One local child profile. No required account. No login for your kid to remember. Practice works fully offline. No internet connection needed to generate questions. WHY CALIFORNIA GRADE 3 MATH Every skill in Sierra Math is mapped directly to California's math standards and reviewed before it ships. It works well as a homeschool supplement, after-school practice, or a summer refresher, basically anywhere a kid needs steady, standards-aligned reps. Right now we're focused on Grade 3 only, because I'd rather get one grade genuinely right than rush out six that are half-baked. More grades are coming. SUBSCRIPTION Sierra Math offers a free trial, followed by an auto-renewing monthly or annual subscription. You can cancel anytime in your Apple ID account settings before the trial ends to avoid being charged. If you want a daily math habit that feels like practice, not a game, and progress you can actually trust, give it a try. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is monetization model: Sierra Math at free with in-app purchases against Language Learning's subscription. Sierra Math also leads on ads (none vs shown) and rating (5.0 vs 4.6). Language Learning's advantage is ratings volume (16K vs 1) and chart position (#55 vs unranked). On price, in-app purchases, device support and iOS requirement 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. Language Learning sells 15 in-app purchases, starting at $14.99 per month and Sierra Math sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Sierra Math holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Language Learning has 16K ratings behind it against 1, so its average is the more settled of the two.
| Parameter | Language Learning | Sierra Math |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (16K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 25.4% of reviews | — |
| Number of ratings | 16K — better | 1 |
| Update frequency | Weekly | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free with in-app purchases — better |
| Best chart rank | #55 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 82 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Pingo AI, Inc. | Tedi Widjaja |
Customer experience
Language Learning
Sierra Math
Bugs and requests
Language Learning
Reported bugs
2 issues- Freezing and unresponsive AI during conversations
- App fails to load past initial screen
Requested features
3 requests- Free trial or free version option
- Increase speaking time limit for paid plan
- Option to remove pinyin entirely
Sierra Math
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Language Learning
- Pingo Pro$14.991 Month
- Pingo Pro2 variants$17.991 Month
- Pingo Pro$19.991 Month
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- Pingo Pro$83.991 Year
- Pingo Pro7 Days trial$83.991 Year
- Pingo Pro14 Days trial$83.991 Year
- Pingo Pro3 Days trial$83.991 Year
- Pingo Pro14 Days trial$89.991 Year
- Pingo Pro7 Days trial$89.991 Year
- Pingo Pro$99.991 Year
- Pingo Pro7 Days trial2 variants$99.991 Year
- Pingo Pro3 Days trial$99.991 Year
- Pingo Pro1 Month trial$99.991 Year
- Pingo Pro7 Days trial$109.991 Year
- Pingo Pro7 Days trial$119.991 Year
Sierra Math
- Monthly14 Days trial$2.991 Month
- Yearly · Best Value14 Days trial$19.991 Year









