# AES Crypt vs SmartDecrypt PDF ZIP

The clearest difference is update cadence: SmartDecrypt PDF ZIP at every 4 weeks against AES Crypt's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AES Crypt sells 2 in-app purchases, starting at $0.99 per year and SmartDecrypt PDF ZIP sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AES Crypt ships an update every 9 months, SmartDecrypt PDF ZIP every 4 weeks. The most recent releases landed on August 27, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | AES Crypt | SmartDecrypt PDF ZIP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (28 ratings)](https://appshunter.io/ios/app/aes-crypt/id791675640/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 42.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 8 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Island Time Innovations](https://appshunter.io/developer/486122730) | [KIEN WEI CHOO](https://appshunter.io/developer/1872314467) |

## What reviewers say

### AES Crypt

[App page](https://appshunter.io/ios/app/aes-crypt/id791675640)

Securely decrypt and encrypt files on your iPhone or iPad using the industry-standard AES encryption. Access encrypted files from cloud storage and email, and protect your sensitive documents and photos with robust, cross-platform security.

**Highlights:** Decrypt AESCrypt.com encrypted files, Encrypt files directly on device, Open files from cloud storage, Securely share encrypted files, Preview common file types, Touch ID/Face ID protection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Year Ability to Encrypt Files | $0.99 | per year |
| Lifetime Ability to Encrypt Files | $5.99 | one-time |


### SmartDecrypt PDF ZIP

[App page](https://appshunter.io/ios/app/smartdecrypt-pdf-zip/id6763979229)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Days Trial | Free | one-time |
| SmartDecrypt Premium | $9.99 | one-time |


## Frequently asked questions

### Is AES Crypt free?

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

### Is SmartDecrypt PDF ZIP free?

SmartDecrypt PDF ZIP is free to download, with in-app purchases available.

### Do AES Crypt or SmartDecrypt PDF ZIP have ads?

Neither AES Crypt nor SmartDecrypt PDF ZIP shows ads.

### Which is updated more often, AES Crypt or SmartDecrypt PDF ZIP?

AES Crypt ships an update every 9 months, and SmartDecrypt PDF ZIP every 4 weeks. Most recently, AES Crypt was updated on August 27, 2026 and SmartDecrypt PDF ZIP on September 14, 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.*