# IDSO1070A vs TopGuru

The clearest difference is review sentiment: IDSO1070A at 100% against TopGuru's 29%. IDSO1070A also leads on rating (5.0 vs 3.5) and in-app purchases (none vs 30). TopGuru's advantage is ratings volume (413 vs 3) and chart position (#155 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TopGuru sells 21 in-app purchases, starting at $9.99 per month. IDSO1070A asks for nothing beyond the download.

IDSO1070A holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: TopGuru has 413 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of IDSO1070A's written reviews are positive against 29% of TopGuru's.

IDSO1070A ships an update every 4 weeks, TopGuru every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IDSO1070A | TopGuru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/idso1070a/id922807442/reviews)** | [3.5 (413 ratings)](https://appshunter.io/ios/app/topguru/id6451488210/reviews) |
| Number of ratings | 3 | **413** |
| Positive reviews | **100.0% of reviews** | 29.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#155** |
| Size | 25 MB | 2.2 GB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [君虎 刘](https://appshunter.io/developer/871598586) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### IDSO1070A

[App page](https://appshunter.io/ios/app/idso1070a/id922807442)

This utility app transforms your iOS device into an oscilloscope when paired with specific hardware. It offers intuitive touch controls for waveform analysis, including pinch-to-zoom functionality.

**Highlights:** Transforms iOS device into an oscilloscope, Requires IDSO1070A hardware, Wireless Wi-Fi connection, 2 channels, Pinch-to-zoom waveform interaction, Max 250M sample rate, FFT analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### TopGuru

[App page](https://appshunter.io/ios/app/topguru/id6451488210)

**Currently charting:** #155 Top Grossing · Utilities (US App Store)

Transform your phone or tablet into a powerful vehicle diagnostic tool via Bluetooth. Access full system diagnosis, OBDII functions, bi-directional controls, and essential maintenance services for a wide range of car brands. Generate detailed diagnostic reports for efficient troubleshooting.

**Highlights:** Full System Diagnosis, Full OBD2 Functions, Bi-directional Control, 8 Special Maintenance Functions, AutoVIN Vehicle Identification, Diagnostic Report Generation, Wireless Bluetooth 5.0 Connection

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

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Auto-renewal | $9.99 | per month |
| Monthly Auto-renewal | $19.00 | per month |
| Quarterly Auto-renewal | $24.99 | per 3 months |
| Annual Auto-renewal | $49.99 | per year |
| Annual Auto-renewal | $99.00 | per year |
| Renault Gateway  1-Token | $11.99 | one-time |
| Diag Bundle Renewal | $49.99 | one-time |
| TopGuru Diagnostic Bundle | $49.99 | one-time |
| TopGuru IMMO Bundle | $49.99 | one-time |
| Renewal Bundle | $99.00 | one-time |
| TopScan Pro Renewal Bundle | $99.00 | one-time |
| Harley Moto Software | $99.99 | one-time |
| Harley Moto Software Renewal | $99.99 | one-time |
| Moto Diag Bundle Renewal-Moto | $99.99 | one-time |
| Moto Diag Bundle | $99.99 | one-time |
| Moto Diag Bundle Renewal | $99.99 | one-time |
| 22 Special Functions Bundle | $129.99 | one-time |
| Renault Gateway 10 Tokens | $129.99 | one-time |
| Renault Gateway 5 Tokens | $147.99 | one-time |
| 17 Special Functions Bundle | $179.00 | one-time |
| FCA Gateway 1-year (EU only) | $229.99 | one-time |

**What reviewers like**

- 👍 Works well on most vehicles
- 🚀 Powerful features for the price
- 💡 Useful for DIY and professional mechanics

**What reviewers complain about**

- 🐛 Frequent app crashes and bugs
- ⏱️ Slow and cumbersome to use due to constant updates
- 🔒 Concerns about data privacy and security
- 💰 Subscription model after initial purchase

**Reported bugs**

- Incompatibility with certain vehicle models
- Login and account issues
- Unreliable Bluetooth connectivity

**Requested features**

- iPad optimization and full-screen support
- Expanded vehicle coverage, especially for motorcycles
- Ability to save and export diagnostic data


## Frequently asked questions

### Is IDSO1070A free?

IDSO1070A is free to download, with no in-app purchases.

### Is TopGuru free?

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

### Which has better reviews, IDSO1070A or TopGuru?

IDSO1070A is rated higher. IDSO1070A averages 5.0 out of 5 from 3 ratings, while TopGuru averages 3.5 from 413 ratings.

### Do IDSO1070A or TopGuru have ads?

Neither IDSO1070A nor TopGuru shows ads.

### Which is updated more often, IDSO1070A or TopGuru?

IDSO1070A ships an update every 4 weeks, and TopGuru every 3 weeks. Most recently, IDSO1070A was updated on October 24, 2026 and TopGuru on October 25, 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.*