# Sonic Motion vs Triplett InfraRead

The clearest difference is update cadence: Triplett InfraRead at every 3 months against Sonic Motion's every 15 months. Triplett InfraRead also leads on iOS requirement (13.0 vs 15.0). 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.

Sonic Motion ships an update every 15 months, Triplett InfraRead every 3 months. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sonic Motion | Triplett InfraRead |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Size | 1 MB | 21 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Yoshiyuki Koyanagi](https://appshunter.io/developer/1540530354) | [Triplett](https://appshunter.io/developer/1781132115) |

## What reviewers say

### Sonic Motion

[App page](https://appshunter.io/ios/app/sonic-motion/id6736360866)

**Features:** macOS Compatibility

**In-app purchases:** none


### Triplett InfraRead

[App page](https://appshunter.io/ios/app/triplett-infraread/id6738535288)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sonic Motion free?

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

### Is Triplett InfraRead free?

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

### Do Sonic Motion or Triplett InfraRead have ads?

Neither Sonic Motion nor Triplett InfraRead shows ads.

### Which is updated more often, Sonic Motion or Triplett InfraRead?

Sonic Motion ships an update every 15 months, and Triplett InfraRead every 3 months. Most recently, Sonic Motion was updated on October 9, 2026 and Triplett InfraRead on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*