Swing Subs vs Shark Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Swing Subs
Find and apply for substitute teaching positions based on your preferences for grade, subject, pay, and location. Take control of your schedule and income by choosing which jobs to accept, and make a positive impact in local school communities.
- Explore job openings by grade, subject, pay, location
- Sign up for jobs directly from phone
- Control your schedule and income
- Choose which jobs to accept
- Support local school communities
Read full descriptionHide full description
TEACH ON YOUR TERMS Explore openings based on grade, subject, pay, location, and more. When you’ve found a good fit, quickly and easily sign up directly from your phone. OWN YOUR SCHEDULE AND INCOME Choose when and how much you work. You’ll have complete control over which jobs you accept. You get the power to control your earnings, and the flexibility to create your own schedule. MAKE A DIFFERENCE Support your local school communities with their teacher absences when you teach through Swing. You’ll be making a big impact and giving back to your local community.
Shark Reader
This app helps families track reading progress, quiz results, and award achievements in one place. It simplifies the process of logging reading history and preparing submissions for school programs.
- Track Renaissance quiz history
- Log qualifying books and scores
- Follow award progress
- Discover recommended books
- Prepare submission forms
- Scan ISBNs for book info
- Private iCloud backup
Read full descriptionHide full description
Shark Reader helps students and parents find books, track reading progress, and work toward school reading goals. Search a growing catalog of books, keep reading history organized, and see which completed quizzes count toward Reading Masters awards. Shark Reader is designed to be fast and easy enough for students to use while still giving parents the details they need. Features include: - Search books by title, author, series, or ISBN - View reading level and available book details - Sync completed Renaissance Reading Practice quizzes - Track quiz scores, points, and reading history - See progress toward Reading Masters awards - Automatically match qualifying books to supported award categories - Manage multiple readers in one household - Keep each reader’s history, progress, and Renaissance sign-in separate - Back up reading data with iCloud - Use a growing Living Catalog that improves as new Renaissance books are discovered Shark Reader uses an 80% or higher score on each individual qualifying quiz when calculating Reading Masters progress. Book information is handled conservatively. When an exact edition or ISBN cannot be confirmed, Shark Reader leaves it unknown rather than guessing. Shark Reader is built by Calm Belt Code with a focus on simple navigation, accurate book information, and reliable reading progress.
Screenshots
Verdict
The clearest difference is review sentiment: Shark Reader at 100% against Swing Subs's 13%. Shark Reader also leads on rating (5.0 vs 1.7) and update cadence (every 2 days vs every 2 months). Swing Subs's advantage is ratings volume (23 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model 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.
Shark Reader holds the better App Store score, 5.0 against 1.7. That said, the two scores are not equally well evidenced: Swing Subs has 23 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 13% of Swing Subs's written reviews are positive against 100% of Shark Reader's.
Swing Subs ships an update every 2 months, Shark Reader every 2 days. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.
| Parameter | Swing Subs | Shark Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (23 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 12.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 23 — better | 1 |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 60 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Swing Education, Inc. | Grand Line LLC |
Customer experience
Swing Subs
Shark Reader
Bugs and requests
Swing Subs
Reported bugs
3 issues- Jobs disappearing before they can be viewed
- Inconsistent login behavior
- Refresh issues causing missed opportunities
Requested features
4 requests- Add filters for single/multi-day assignments
- Improve notification reliability
- Implement automatic app refresh
- Provide dark mode option
Shark Reader
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Swing Subs
No in-app purchases
Shark Reader
No in-app purchases
Questions
Is Swing Subs free?
Is Shark Reader free?
Which has better reviews, Swing Subs or Shark Reader?
Do Swing Subs or Shark Reader have ads?
Which is updated more often, Swing Subs or Shark Reader?
Other comparisons















