Subtraction Math vs Classroom Fluency Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subtraction Math
This educational game helps children aged 5-8 practice subtraction skills through engaging drills and multiple-choice questions. It offers a flexible learning pace with an optional timer and vibrant visuals to make arithmetic fun.
- Subtraction drills
- Multiple choice format
- Adjustable difficulty
- Optional timer
- Colorful graphics and sounds
- Universal purchase
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Subtraction with Ibbleobble is fun educational math game carefully designed for children aged 4+ but perfect for those aged between 5 - 8 who may be studying in the 1st and 2nd Grade and need to brush up on their arithmetic skills for school. Using a math drill technique this app will help children practice and learn how to subtract, develop their mental arithmetic, gain a feel for numbers and the relationships between them. We understand that everyone’s different, so our educational math games allow young learners to progress at their own pace, or take a challenge against the clock! We use a familiar multiple choice method designed with little hands in mind. We’ve also made this app available on all your devices with one single purchase. This way children can play and learn on the go with their iPhone, iPod or iPad whilst also on the big screen of the Apple TV! We all know that mental math can be challenging for kids but we at ibbleobble aim to show that math is fun too and doesn’t need to feel like school homework! • Subtraction worksheets • Simple gameplay • Multiple choice • Repetition to aid learning • 7 levels • Optional timer • Fantastic sounds and voice-over • Colourful characters • Vibrant graphics • No in-app purchases • No third-party advertising • 100% ALWAYS ad-free • Includes Fin animated iMessage stickers • Universal purchase (Available for iPhone, iPad, iPod and Apple TV) www.ibbleobble.com www.facebook.com/iblobl www.instagram.com/iblobl www.twitter.com/_iblobl If you enjoy playing Subtraction with Ibbleobble, we would really appreciate it if you could take the time to rate and review our app. If you experience any problems with the application or would just like to get in touch we'd like to hear from you. Please email us with full details at: apps@kidd.co Finally, remember to search Ibbleobble in the AppStore for more educational math games for kids!
Classroom Fluency Timer
This educational tool offers a flexible timer for classroom use, allowing educators to adjust time discreetly during activities. It features both a standard countdown mode and a specialized fluency timer designed for structured speaking exercises.
- Fudgeable timer for flexible time adjustments
- Gesture controls for discreet time modification
- Standard countdown timer mode
- Specialized Fluency Timer for 4/3/2 activity
- Customizable segment number and length
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Fully fudgeable classroom timer! Timers are arbitrary by definition, and they will go off when they go off, which may not be when you want then to go off. But you can control thiss. Use gestures to discretely add or remove time to clock while it is active. This is very useful for classroom management. This timer has two modes: Standard Timer and Fluency Timer. The Fluency Timer was specifically designed for faciltating Paul Nation's 4/3/2 fluency activity where speakers repeat their ideas under progressively shorter time constraints. - Fully customisable for both the number and length of each segment. - Also functions as a standard countdown timer. - Allows you to add or remove time from the clock while the timer is active to facilitate classroom management. - Won't go to sleep while timer is active.
Screenshots
Verdict
The clearest difference is price: Classroom Fluency Timer at Free against Subtraction Math's $1.99. Classroom Fluency Timer also leads on iOS requirement (8.0 vs 15.0). Subtraction Math's advantage is rating (3.9 vs 1.0) and ratings volume (7 vs 1). On update cadence, ads 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
Classroom Fluency Timer is free to download; Subtraction Math costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Subtraction Math holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Subtraction Math has 7 ratings behind it against 1, so its average is the more settled of the two.
Subtraction Math ships an update every 4 months, Classroom Fluency Timer every 5 months. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.
| Parameter | Subtraction Math | Classroom Fluency Timer |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 3.9 (7 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Mac, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | KidDotCo | Jeff Holtzkener |
Customer experience
Subtraction Math
Classroom Fluency Timer
In-app purchases
Subtraction Math
No in-app purchases
Classroom Fluency Timer
No in-app purchases
Questions
Is Subtraction Math free?
Is Classroom Fluency Timer free?
Which has better reviews, Subtraction Math or Classroom Fluency Timer?
Do Subtraction Math or Classroom Fluency Timer have ads?
Which is updated more often, Subtraction Math or Classroom Fluency Timer?
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