# EmotionLock vs Backster

EmotionLock and Backster are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. EmotionLock sells 2 in-app purchases, starting at $8.99 per month and Backster sells 6 in-app purchases, starting at $4.00 per 7 days. Whichever you choose, the download price is not the number that matters.

EmotionLock ships an update every 4 days, Backster weekly. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | EmotionLock | Backster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Size | 1 MB | 7 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Bart Janssen](https://appshunter.io/developer/1887386402) | [Elgene Lye](https://appshunter.io/developer/6773017514) |

## What reviewers say

### EmotionLock

[App page](https://appshunter.io/ios/app/emotionlock/id6761029186)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EmotionLock Monthly | $8.99 | per month |
| EmotionLock MT5 License | $22.99 | one-time |


### Backster

[App page](https://appshunter.io/ios/app/backster/id6773017512)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.00 | per 7 days |
| Max | $13.49 | per 7 days |
| Pro | $14.99 | per month |
| Max | $49.99 | per month |
| Ultra | $54.00 | per 7 days |
| Ultra | $200.00 | per month |


## Frequently asked questions

### Is EmotionLock free?

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

### Is Backster free?

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

### Do EmotionLock or Backster have ads?

Neither EmotionLock nor Backster shows ads.

### Which is updated more often, EmotionLock or Backster?

EmotionLock ships an update every 4 days, and Backster weekly. Most recently, EmotionLock was updated on September 17, 2026 and Backster on September 23, 2026.

---

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