# AIS eMemo vs C Stock

The clearest difference is update cadence: C Stock at every 3 weeks against AIS eMemo's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AIS eMemo ships an update every 2 months, C Stock every 3 weeks. The most recent releases landed on March 26, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | AIS eMemo | C Stock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 19 MB | 15 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MIMO TECH COMPANY LIMITED](https://appshunter.io/developer/611091645) | [Chakrit Chotamonsak](https://appshunter.io/developer/1208089430) |

## What reviewers say

### AIS eMemo

[App page](https://appshunter.io/ios/app/ais-ememo/id1499972222)

**Features:** macOS Compatibility

**In-app purchases:** none


### C Stock

[App page](https://appshunter.io/ios/app/c-stock/id1590174097)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AIS eMemo free?

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

### Is C Stock free?

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

### Do AIS eMemo or C Stock have ads?

Neither AIS eMemo nor C Stock shows ads.

### Which is updated more often, AIS eMemo or C Stock?

AIS eMemo ships an update every 2 months, and C Stock every 3 weeks. Most recently, AIS eMemo was updated on March 26, 2026 and C Stock on May 15, 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.*