# AI Language Practice vs Series Prep 63 Practice Test

The clearest difference is update cadence: AI Language Practice at every 2 days against Series Prep 63 Practice Test's every 3 months. Series Prep 63 Practice Test's advantage is iOS requirement (15.0 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Language Practice sells 42 in-app purchases, starting at $14.00 per month and Series Prep 63 Practice Test sells 1 in-app purchase, starting at $7.00 per month. Whichever you choose, the download price is not the number that matters.

AI Language Practice ships an update every 2 days, Series Prep 63 Practice Test every 3 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | AI Language Practice | Series Prep 63 Practice Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (233 ratings)](https://appshunter.io/ios/app/ai-language-practice-bubblz/id6478813044/reviews)** | — |
| Number of ratings | **233** | — |
| Positive reviews | 65.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 192 MB | 3 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Surf City Apps LLC](https://appshunter.io/developer/576997553) | [Ambitionz Apps](https://appshunter.io/developer/1764753535) |

## What reviewers say

### AI Language Practice

[App page](https://appshunter.io/ios/app/ai-language-practice-bubblz/id6478813044)

Practice conversational fluency in multiple languages with AI-powered dialogues. Tailored to your proficiency level, it offers real-time feedback and native-like phrasing suggestions. Engage in dynamic, personalized conversations to accelerate your learning.

**Highlights:** AI-powered conversations, Adaptive learning levels, Instant feedback and corrections, Native expression suggestions, Customizable topics and scenarios, Speak or type interaction

**Features:** macOS Compatibility

**In-app purchases (42)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $14.00 | per month |
| Premium (Monthly) | $15.00 | per month |
| Premium (Monthly) | $15.00 | per month |
| Premium Plus Plan | $24.99 | per month |
| Ultra (Monthly) | $25.00 | per month |
| Premium Plus (Monthly) | $25.00 | per month |
| Ultra (Monthly) | $30.00 | per month |
| Ultra (Monthly) | $30.00 | per month |
| Ultra (Monthly) | $35.00 | per month |
| Premium (Annual) | $36.00 | per year |
| Premium (Annual) | $45.00 | per year |
| Ultra (Continuity) | $49.00 | per year |
| Premium (Annual) | $54.00 | per year |
| Premium (Annual) | $54.00 | per year |
| Premium Plan | $54.00 | per year |
| Premium Plan | $54.00 | per year |
| Ultra (6 Months) | $59.00 | per 6 months |
| Premium (Annual) | $59.00 | per year |
| Premium Plan | $59.00 | per year |
| Premium (Annual) | $64.00 | per year |
| Ultra (Continuity) | $69.00 | per year |
| Premium (Annual) | $69.00 | per year |
| Premium Plus (Annual) | $74.00 | per year |
| Ultra (Annual) Secret Discount | $79.00 | per year |
| Premium Plus (Annual) | $89.00 | per year |
| Ultra (Annual) | $94.00 | per year |
| Ultra Plan | $94.00 | per year |
| Ultra (Annual) | $99.00 | per year |
| Premium Plan | $99.00 | per year |
| Ultra (Annual) | $109.00 | per year |
| Ultra (Annual) | $109.00 | per year |
| Ultra (Annual) | $129.00 | per year |
| Ultra (Annual) | $139.00 | per year |
| Ultra Plan | $139.00 | per year |
| Ultra Plan | $149.00 | per year |
| Premium Plus Plan | $169.99 | per year |
| Ultra Plan | $179.00 | per year |
| Ultra (Annual) | $189.00 | per year |
| Ultra (Lifetime) | Free | one-time |
| Premium (Lifetime) | Free | one-time |
| Premium (Lifetime) | $149.00 | one-time |
| Ultra (Lifetime) | $299.00 | one-time |

**What reviewers like**

- 👍 Excellent for language practice
- 💡 AI-powered conversations feel natural
- 🚀 Improves language skills effectively
- 👍 Grammar tips and corrections are helpful
- 👍 Easy to use and interactive

**What reviewers complain about**

- 🐛 App doesn't work on iPad
- 🐛 Unable to connect after payment
- 🐛 App feels abandoned
- 🐛 Missing Chinese native language option
- 🐛 Missing Vietnamese language pack

**Reported bugs**

- Clicking 'Let's go' does nothing on iPad
- Cannot enter theme on iPad
- Impossible to connect after payment
- Error messages at all stages
- Password reset not working

**Requested features**

- Add Chinese native language
- Add Vietnamese language pack
- Add Arabic language
- Add English subtitles
- Add metrics and reminders


### Series Prep 63 Practice Test

[App page](https://appshunter.io/ios/app/series-prep-63-practice-test/id6740045302)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Series Prep 63 | $7.00 | per month |


## Frequently asked questions

### Is AI Language Practice free?

AI Language Practice is free to download, with in-app purchases available.

### Is Series Prep 63 Practice Test free?

Series Prep 63 Practice Test is free to download, with in-app purchases available.

### Do AI Language Practice or Series Prep 63 Practice Test have ads?

Neither AI Language Practice nor Series Prep 63 Practice Test shows ads.

### Which is updated more often, AI Language Practice or Series Prep 63 Practice Test?

AI Language Practice ships an update every 2 days, and Series Prep 63 Practice Test every 3 months. Most recently, AI Language Practice was updated on October 15, 2026 and Series Prep 63 Practice Test on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*