# Singular Device Assist vs OnTop Pro

The clearest difference is in-app purchases: Singular Device Assist at none against OnTop Pro's 2. Singular Device Assist also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). OnTop Pro's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price there is nothing between them.

Both are free to download. OnTop Pro sells 2 in-app purchases, starting at $5.00 per month. Singular Device Assist asks for nothing beyond the download.

Singular Device Assist ships an update every 2 months, OnTop Pro every 2 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Singular Device Assist | OnTop Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ontop-pro/id6762643380/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 9 MB | 54 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Singular Labs Inc.](https://appshunter.io/developer/1424350615) | [OnTop LLC](https://appshunter.io/developer/1894929656) |

## What reviewers say

### Singular Device Assist

[App page](https://appshunter.io/ios/app/singular-device-assist/id1441750662)

This utility app offers insights into your device's advertising ID (IDFA). It helps you track IDFA changes, confirm resets, and copy the ID for support or debugging. It's particularly useful for Singular customers testing their SDK.

**Highlights:** View current IDFA, Confirm IDFA changes, Test SDK integration, Copy IDFA for support, Debugging assistance

**In-app purchases:** none


### OnTop Pro

[App page](https://appshunter.io/ios/app/ontop-pro/id6762643380)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnTopProMonthly | $5.00 | per month |
| OnTopProYearly | $48.00 | per year |


## Frequently asked questions

### Is Singular Device Assist free?

Singular Device Assist is free to download, with no in-app purchases.

### Is OnTop Pro free?

OnTop Pro is free to download, with in-app purchases available.

### Do Singular Device Assist or OnTop Pro have ads?

Singular Device Assist shows ads; OnTop Pro does not.

### Which is updated more often, Singular Device Assist or OnTop Pro?

Singular Device Assist ships an update every 2 months, and OnTop Pro every 2 weeks. Most recently, Singular Device Assist was updated on October 16, 2026 and OnTop Pro on October 24, 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.*