GPA Master vs G SHELL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GPA Master
This app helps students recalculate their GPA and gain real-time insights into their academic performance. Make informed decisions, set realistic goals, and unlock your full academic potential.
- Recalculate GPA
- Real-time GPA insights
- Personalized calculations
- Goal setting
- Academic performance management
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GPA Master, A Safari Extensions for ManageBac User, With GPA Master, you can recalculate your points, unlock your full potential, and achieve greatness like never before. Gain real-time insights into your GPA, make informed decisions, and set realistic goals with our personalized calculations.
G SHELL
Easily personalize your case by casting any image to it in seconds. Choose from photos, your album, or original designs for a quick style update. Enjoy a creative playground with regular new designs and updates.
- Cast any image to your case
- Use photos or album pictures
- Try original designs
- No batteries or cables needed
- Regular new designs and updates
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G-SHELL | Personalize Your XTREM Case in a Tap Snap a photo, pick from your album, or try our original designs—cast any image to your case in seconds. No batteries. No cables. Just endless new looks. It’s your creative playground, with fresh drops and updates to keep things fun. Welcome to the fun side of tech. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://xtrem-inno.com/act_html/agreement.html
Screenshots
Verdict
The clearest difference is price: G SHELL at Free against GPA Master's $0.99. G SHELL also leads on review sentiment (19% vs 0%). GPA Master's advantage is in-app purchases (none vs 5) and update cadence (daily vs every 2 weeks). On ads and iOS requirement 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
G SHELL is free to download; GPA Master costs $0.99 up front. G SHELL sells 5 in-app purchases, starting at $4.59 per month. GPA Master asks for nothing beyond the download.
GPA Master ships an update daily, G SHELL every 2 weeks. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.
| Parameter | GPA Master | G SHELL |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 2.1 (9 ratings) — better |
| Positive reviews | 0.0% of reviews | 19.4% of reviews — better |
| Number of ratings | — | 9 — better |
| Update frequency | Daily — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 9 MB | 170 MB |
| Age rating | 4+ | 4+ |
| Developer | 可兵 毛 | Shenzhen Jizhi Technology Company Limited |
Customer experience
GPA Master
G SHELL
In-app purchases
GPA Master
No in-app purchases
G SHELL
- PRO membership (monthly plan)1 Month trial$4.591 Month
- 30 credits$1.19
- 90 credits$2.99
- PRO membership (one-month)$5.19
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- 300 credits$8.99
