# PSLE Primary vs SGMathAI

The clearest difference is in-app purchases: PSLE Primary at none against SGMathAI's 1. PSLE Primary also leads on update cadence (every 2 weeks vs every 4 months) and iOS requirement (14.0 vs 18.6). SGMathAI's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. SGMathAI sells 1 in-app purchase, starting at $0.99 per month. PSLE Primary asks for nothing beyond the download.

PSLE Primary ships an update every 2 weeks, SGMathAI every 4 months. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PSLE Primary | SGMathAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 29 MB | 1 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kian Lee](https://appshunter.io/developer/997242579) | [Jiang Nan Qing](https://appshunter.io/developer/995103102) |

## What reviewers say

### PSLE Primary

[App page](https://appshunter.io/ios/app/psle-primary/id1668513774)

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

**In-app purchases:** none


### SGMathAI

[App page](https://appshunter.io/ios/app/sgmathai/id6738604273)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SGPSLE MATH | $0.99 | per month |


## Frequently asked questions

### Is PSLE Primary free?

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

### Is SGMathAI free?

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

### Do PSLE Primary or SGMathAI have ads?

PSLE Primary shows ads; SGMathAI does not.

### Which is updated more often, PSLE Primary or SGMathAI?

PSLE Primary ships an update every 2 weeks, and SGMathAI every 4 months. Most recently, PSLE Primary was updated on September 18, 2026 and SGMathAI on September 9, 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.*