# MemAide vs digital SAT math

The clearest difference is price: MemAide at Free against digital SAT math's $9.99. MemAide also leads on update cadence (every 2 months vs every 13 months). digital SAT math's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

MemAide is free to download; digital SAT math costs $9.99 up front. MemAide sells 2 one-off in-app purchases. digital SAT math asks for nothing beyond the download.

MemAide ships an update every 2 months, digital SAT math every 13 months. The most recent releases landed on September 15, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | MemAide | digital SAT math |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/memaide/id1288409728/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | — |
| Size | 111 MB | 66 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [shaojun lin](https://appshunter.io/developer/1263579053) | [IOANNIS LABADAS](https://appshunter.io/developer/1495723936) |

## What reviewers say

### MemAide

[App page](https://appshunter.io/ios/app/memaide/id1288409728)

This app helps you convert short-term memories into long-term knowledge through a managed daily study system. It's ideal for vocabulary building for exams or general knowledge accumulation, offering offline functionality and robust data security.

**Highlights:** Scheduled daily reviews, Text-to-speech enhancement, Input/output for data exchange, Quiz functionality, Photo and drawing integration, Offline data storage, Encrypted data protection

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GRE 5000 for MemAide Pro | $2.99 | one-time |
| MemAide Premium | $5.99 | one-time |


### digital SAT math

[App page](https://appshunter.io/ios/app/digital-sat-math-total/id1504569891)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MemAide free?

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

### Is digital SAT math free?

digital SAT math costs $9.99, with no in-app purchases.

### Do MemAide or digital SAT math have ads?

Neither MemAide nor digital SAT math shows ads.

### Which is updated more often, MemAide or digital SAT math?

MemAide ships an update every 2 months, and digital SAT math every 13 months. Most recently, MemAide was updated on September 15, 2026 and digital SAT math on September 16, 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.*