# Success Trigger vs English Lab

The clearest difference is update cadence: English Lab at every 4 days against Success Trigger's every 9 months. English Lab also leads on iOS requirement (12.4 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Success Trigger sells 10 one-off in-app purchases and English Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Success Trigger ships an update every 9 months, English Lab every 4 days. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Success Trigger | English Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Size | 146 MB | 16 MB |
| Requires iOS | 15.5 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [Sanjeev Kumar](https://appshunter.io/developer/1730365755) |

## What reviewers say

### Success Trigger

[App page](https://appshunter.io/ios/app/success-trigger/id6450053384)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - 20900 | $199.99 | one-time |
| Package - 21500 | $199.99 | one-time |
| Package - 29900 | $299.99 | one-time |
| Package - 34900 | $349.99 | one-time |
| Package - 39900 | $399.99 | one-time |
| Package - 54900 | $499.99 | one-time |
| Package - 59900 | $599.99 | one-time |
| Package - 69900 | $699.99 | one-time |
| Package - 79900 | $799.99 | one-time |
| Package - 89900 | $899.99 | one-time |


### English Lab

[App page](https://appshunter.io/ios/app/english-lab/id6477760390)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English Lab App | $0.99 | one-time |


## Frequently asked questions

### Is Success Trigger free?

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

### Is English Lab free?

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

### Do Success Trigger or English Lab have ads?

Neither Success Trigger nor English Lab shows ads.

### Which is updated more often, Success Trigger or English Lab?

Success Trigger ships an update every 9 months, and English Lab every 4 days. Most recently, Success Trigger was updated on October 15, 2026 and English Lab on October 18, 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.*