UUID vs IDFA & Device Info Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UUID
This utility app quickly generates random Version 4 or Version 1 UUIDs. You can copy and share them directly, and even generate up to 5000 at once. It works both online and offline.
- Generate Version 4 UUIDs
- Generate Version 1 UUIDs
- Copy and share UUIDs
- Batch generation (up to 5000)
- Offline functionality
- Online functionality
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Quickly generate random UUIDs. With UUID Generator you can create Version 4 or Version 1 UUIDs and directly copy and share them. The Generator works offline and online. You can even generate up to 5000 UUIDs at once.
IDFA & Device Info Viewer
Access your device's advertising ID (IDFA) and detailed technical specifications. View, copy, and share system information like model, OS, and storage. Designed for developers and curious users, it offers advanced insights through rewarded videos.
- View and copy IDFA
- Access system details (model, OS, resolution, battery)
- Unlock extended info (IDFV, region, time zone, storage, memory, CPU)
- Export or share data
- No logins or clutter
- Advanced insights via rewarded video
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IDFA & Info Checker helps you quickly access your iOS device's advertising ID (IDFA) and technical specs. Whether you're a developer, tester, or just curious, this app gives you everything you need: View and copy your IDFA Get system details (model, OS, resolution, battery) Unlock extended info like IDFV, region, time zone, storage, memory, CPU Export or share your data easily Designed for simplicity — no logins, no clutter Advanced insights are available via rewarded video. Built for developers. Useful for everyone.
Screenshots
Verdict
The clearest difference is ads: UUID at none against IDFA & Device Info Viewer's shown. UUID also leads on monetization model (free vs ad-supported) and iOS requirement (13.0 vs 15.6). IDFA & Device Info Viewer's advantage is review sentiment (67% vs 50%) and update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for UUID against 5.0 for IDFA & Device Info Viewer. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 50% of UUID's written reviews are positive against 67% of IDFA & Device Info Viewer's.
UUID ships an update every 2 months, IDFA & Device Info Viewer every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | UUID | IDFA & Device Info Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 7 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Julian Lau | Rodrigo Belloso |
Customer experience
UUID
IDFA & Device Info Viewer
In-app purchases
UUID
No in-app purchases
IDFA & Device Info Viewer
No in-app purchases
Questions
Is UUID free?
Is IDFA & Device Info Viewer free?
Which has better reviews, UUID or IDFA & Device Info Viewer?
Do UUID or IDFA & Device Info Viewer have ads?
Which is updated more often, UUID or IDFA & Device Info Viewer?
Other comparisons
