# HelloWords vs OnninMemo

The clearest difference is in-app purchases: OnninMemo at none against HelloWords's 8. OnninMemo also leads on ads (none vs shown) and update cadence (every 3 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. HelloWords sells 7 in-app purchases, starting at $10.99 per month. OnninMemo asks for nothing beyond the download.

HelloWords ships an update every 6 weeks, OnninMemo every 3 days. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HelloWords | OnninMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (104 ratings)](https://appshunter.io/ios/app/hellowords-vocabulary-builder/id1492852739/reviews)** | — |
| Number of ratings | **104** | — |
| Positive reviews | 76.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 84 MB | 25 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HELLOTALK FOREIGN LANGUAGE EXCHANGE LEARNING TALK CHAT APP](https://appshunter.io/developer/557130561) | [WEN CHENG YEH](https://appshunter.io/developer/1896404314) |

## What reviewers say

### HelloWords

[App page](https://appshunter.io/ios/app/hellowords-vocabulary-builder/id1492852739)

Learn new languages through engaging, visual word games. This app uses a spaced repetition system and strategically selected vocabulary to make learning efficient and fun in just 3 minutes a day. Track your progress with detailed statistics.

**Highlights:** 29 languages available, Spaced Repetition System (SRS), Game-based vocabulary learning, Advanced learning statistics, Strategically selected vocabulary, Fragmented learning (3 minutes/day)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HelloWords (1 Month) | $10.99 | per month |
| HelloWords (3 Months) | $29.99 | per 3 months |
| HelloWords -3 Months | $29.99 | per 3 months |
| HelloWords (6 Months) | $47.99 | per 6 months |
| HelloWords (1 Year) | $65.99 | per year |
| HelloWords (1 Year) | $65.99 | per year |
| HelloWords(Lifetime) | $149.99 | one-time |

**What reviewers like**

- 👍 Fun gamified learning
- 👍 Good for vocabulary building
- 👍 Easy to use for beginners
- 👍 Variety of practice methods
- 👍 Helpful for memorization

**What reviewers complain about**

- 🐛 Audio errors in multiple languages
- 🐛 Machine translation pronunciation sounds unnatural
- 🐛 Confusing subscription/payment issues
- 🐛 App bugs and crashes mid-lesson
- 🐛 Incorrect sounds played during lessons

**Reported bugs**

- Audio errors in multiple languages
- App bugs and crashes mid-lesson
- Incorrect sounds played during lessons
- Purchase restoration issues
- App doesn't load or freezes

**Requested features**

- Possibility to review learned words
- Pronunciation practice functionality
- Instruction videos within the app
- Add longer phrases and grammar
- Dark mode option


### OnninMemo

[App page](https://appshunter.io/ios/app/onninmemo/id6776582083)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HelloWords free?

HelloWords is free to download, with in-app purchases available.

### Is OnninMemo free?

OnninMemo is free to download, with no in-app purchases.

### Do HelloWords or OnninMemo have ads?

HelloWords shows ads; OnninMemo does not.

### Which is updated more often, HelloWords or OnninMemo?

HelloWords ships an update every 6 weeks, and OnninMemo every 3 days. Most recently, HelloWords was updated on October 21, 2026 and OnninMemo on October 25, 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.*