Sherpa Tutors vs Shell
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Sherpa Tutors
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Online Tutoring From Qualified UK Teachers and Tutors. We're rated 4.8/5 on Trustpilot and have delivered over 300,000 lessons to date. On average, students on Sherpa improve by 2.2 grades and double their subject confidence. Sherpa provides top-quality tuition from UK-based tutors. With the app, can sign in to your existing account to manage your Messages and Bookings on the go. Easily send messages and files on your Messages page, and get notified when you receive a new message. You'll also receive notifications when any changes are made to your bookings! Schedule new free introductions or flexible online lessons to get targeted support and intervention where it's needed for your child. Our team is always just a phone call away, to offer tailored tutor recommendations and provide any support where it's needed.
Shell
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Shell-E has been developed for ecology field teaching and provides a simple way to connect practical fieldwork with real ecological data collection. Students can join an organised practical using their student number, with no need to create a conventional username and password account. Once joined, Shell-E automatically connects them to their team, demonstrator and allocated survey area. During fieldwork, students can record snail observations, capture GPS locations, add measurements and photographs, record marking information and see observations appear on the practical map. Records can also be stored safely when connectivity is poor and synced when a connection becomes available. Shell-E supports captureβmarkβrecapture teaching across linked practical sessions. Students can see the observed counts required for their calculations while carrying out the analysis themselves. The app also includes: β’ Interactive survey maps and team areas β’ Live team leaderboards β’ Field guidance and identification support β’ Practical-specific student onboarding β’ Golden Snail challenges for field sessions β’ Secure demonstrator marking β’ Historical Shell-E records and year-by-year mapping β’ Independent recording outside organised practicals Teaching staff can manage practicals, allocate students to teams and survey areas, control leaderboard visibility, communicate with the class and configure demonstrator access from the Teacher Admin area. Shell-E is designed primarily for ecology teaching at the University of Exeter, while also allowing independent users to contribute suitable ecological observations.
Screenshots
Verdict
The clearest difference is ads: Shell at none against Sherpa Tutors's shown. Shell also leads on update cadence (every 10 days vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sherpa Tutors ships an update every 3 months, Shell every 10 days. The most recent releases landed on September 27, 2026 and October 8, 2026 respectively.
| Parameter | Sherpa Tutors | Shell |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 10 days β better |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 β better |
| Further details β not scored | ||
| Size | 51 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Application Labs Ltd | Dave Hudson |
In-app purchases
Sherpa Tutors
No in-app purchases
Shell
No in-app purchases









