# SACNAS vs LiteracyTX

The clearest difference is update cadence: SACNAS at every 3 weeks against LiteracyTX's every 5 months. LiteracyTX's advantage is iOS requirement (15.6 vs 17.0). 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.

SACNAS ships an update every 3 weeks, LiteracyTX every 5 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SACNAS | LiteracyTX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 60 MB | 49 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Society For Advancement Of Chicanos and Native Americans in Science, Inc.](https://appshunter.io/developer/1700715708) | [Teknowledge Software](https://appshunter.io/developer/348684387) |

## What reviewers say

### SACNAS

[App page](https://appshunter.io/ios/app/sacnas/id6456981839)

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

**In-app purchases:** none


### LiteracyTX

[App page](https://appshunter.io/ios/app/literacytx/id6569245348)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is SACNAS free?

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

### Is LiteracyTX free?

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

### Do SACNAS or LiteracyTX have ads?

Neither SACNAS nor LiteracyTX shows ads.

### Which is updated more often, SACNAS or LiteracyTX?

SACNAS ships an update every 3 weeks, and LiteracyTX every 5 months. Most recently, SACNAS was updated on October 24, 2026 and LiteracyTX on October 7, 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.*