GIA vs Theo's Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GIA
This app helps shoppers and sellers understand diamond quality using interactive tools and educational content. It allows users to save and share diamond reports, find local retailers, and even match diamonds to their reports.
- Interactive 4Cs tools
- Diamond buying tips and articles
- Save and share diamond reports
- GIA retailer lookup
- Point-of-sale tools for sellers
- Diamond inscription matching
Read full descriptionHide full description
Are You Shopping for Diamonds? 1. 4Cs Interactive Tools: Use sliding scales to compare color, clarity and cut grades and to visualize carat weight. 2. Diamond Buying Tips: Learn how to buy diamonds with our 4Cs blog articles. Know the difference between laboratory-grown and natural diamonds, and discover diamond ring lore. 3. Save and Send GIA Reports: Name and save your GIA diamond and jewelry reports. Drop someone a hint by sending your list! 4. GIA Retailer Lookup: Find local retailers that offer GIA-graded diamonds or have GIA-trained staff. Do You Sell Diamonds? 1. Point-of-Sale Tools: Use 4Cs sliding scales to help clients understand color, clarity and cut grades and to visualize carat weight. 2. 4Cs Blog Articles: Brush up on diamond knowledge such as fluorescence and diamond treatments. Romance clients with diamond lore and refer them to our blog for diamond buying tips. 3. Diamond and Jewelry Report Check: View, save and share GIA diamond and jewelry reports with ease across multiple devices. Name your reports to keep them organized. 4. Inscription Matching: Connect to a GIA Match iD instrument to match your diamond to its authorized GIA diamond report. Once matched, the report will appear on the GIA App and can be saved and sent. 5. GIA Resources: Boost your business with our services. Sign up for our Retailer Lookup to attract local clients looking for GIA-graded diamonds. Need to have a diamond graded? Open a lab account right in the app.
Theo's Timer
This app offers a visual roadmap to help children learn patience, manage transitions, and develop time management skills. It's ideal for parents and therapists supporting children with autism, ADHD, or those needing extra visual aids.
- Customizable timer display
- Add custom images
- Adjustable time and display
- Additional cues and feedback
- Data collection
- Record notes
Read full descriptionHide full description
What it does: Provides a customizable roadmap for teaching children how to wait, anticipate transitions, learn time management, and tolerance. Who It's For: Perfect for parents managing daily routines and therapists working with children who benefit from visual supports. Ideal for children with autism, ADHD, or anyone who needs additional support. Key Features: - Customizable timer display - Option to add custom images from your photo library for personalization - Adjustable time and display - Options for additional cues and feedback - Data collection - Option for recording notes
Screenshots
Verdict
The clearest difference is price: GIA at Free against Theo's Timer's $2.99. GIA also leads on ratings volume (450 vs 1) and iOS requirement (15.0 vs 18.0). Theo's Timer's advantage is rating (5.0 vs 4.8). On ads, in-app purchases and device support 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
GIA is free to download; Theo's Timer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Theo's Timer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: GIA has 450 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | GIA | Theo's Timer |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.8 (450 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 88.9% of reviews | — |
| Number of ratings | 450 — better | 1 |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 152 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | GIA | Isaac Smith |
Customer experience
GIA
Theo's Timer
In-app purchases
GIA
No in-app purchases
Theo's Timer
No in-app purchases
