# AnSMS vs CANupgrade

The clearest difference is update cadence: CANupgrade at every 3 weeks against AnSMS's every 4 months. AnSMS's advantage is iOS requirement (9.0 vs 15.6). 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.

AnSMS ships an update every 4 months, CANupgrade every 3 weeks. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | AnSMS | CANupgrade |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 29 MB | 53 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Caelan Bistram](https://appshunter.io/developer/1535295876) | [Cyclops Security Systems](https://appshunter.io/developer/1549157960) |

## What reviewers say

### AnSMS

[App page](https://appshunter.io/ios/app/ansms/id1535295664)

Automate SMS commands for your VT4 and VT5 tracker. Easily create custom messages to control your device's functions directly from your phone.

**Highlights:** Auto-create SMS commands, Control VT4 tracker, Control VT5 tracker, Customizable commands

**In-app purchases:** none


### CANupgrade

[App page](https://appshunter.io/ios/app/canupgrade/id6770817353)

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

**In-app purchases:** none


## Frequently asked questions

### Is AnSMS free?

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

### Is CANupgrade free?

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

### Do AnSMS or CANupgrade have ads?

Neither AnSMS nor CANupgrade shows ads.

### Which is updated more often, AnSMS or CANupgrade?

AnSMS ships an update every 4 months, and CANupgrade every 3 weeks. Most recently, AnSMS was updated on October 19, 2026 and CANupgrade on October 13, 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.*