# NDTD Language Shadower vs Heartword

The clearest difference is in-app purchases: Heartword at none against NDTD Language Shadower's 14. Heartword also leads on iOS requirement (16.0 vs 18.2.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NDTD Language Shadower sells 14 one-off in-app purchases. Heartword asks for nothing beyond the download.

NDTD Language Shadower ships an update every 3 weeks, Heartword every 2 weeks. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | NDTD Language Shadower | Heartword |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 13 MB | 2 MB |
| Requires iOS | 18.2.1 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thanh Nam Nguyen](https://appshunter.io/developer/1809677306) | [TimeTells Innovations LLC](https://appshunter.io/developer/6794462151) |

## What reviewers say

### NDTD Language Shadower

[App page](https://appshunter.io/ios/app/ndtd-language-shadower/id6744872799)

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Tip 049 | $0.49 | one-time |
| Karaoke Shadow Recording | $0.49 | one-time |
| 10 Credits | $0.99 | one-time |
| Unlock Auto Gen | $0.99 | one-time |
| Support Tip 099 | $0.99 | one-time |
| Support Tip 199 | $1.99 | one-time |
| 60 Credits | $2.99 | one-time |
| Support Tip 299 | $2.99 | one-time |
| 120 Credits | $4.99 | one-time |
| Support Tip 500 | $5.00 | one-time |
| Medium Tip | $10.00 | one-time |
| Support Tip 1000 | $10.00 | one-time |
| 1200 Credits | $14.99 | one-time |
| Support Tip 3000 | $30.00 | one-time |


### Heartword

[App page](https://appshunter.io/ios/app/heartword-scripture-memory/id6794536183)

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

**In-app purchases:** none


## Frequently asked questions

### Is NDTD Language Shadower free?

NDTD Language Shadower is free to download, with in-app purchases available.

### Is Heartword free?

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

### Do NDTD Language Shadower or Heartword have ads?

Neither NDTD Language Shadower nor Heartword shows ads.

### Which is updated more often, NDTD Language Shadower or Heartword?

NDTD Language Shadower ships an update every 3 weeks, and Heartword every 2 weeks. Most recently, NDTD Language Shadower was updated on October 5, 2026 and Heartword on October 10, 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.*