Lesson Timer vs permutation group
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lesson Timer
Manage your presentation or lecture with a visual timer that breaks down your schedule into sections. See remaining time for each segment and stay on track with upcoming topics. This tool helps keep your audience engaged and your content flowing smoothly.
- Multiple section setup
- Time remaining display per section
- Next section reminder
- Overall schedule progress
- Visual time tracking
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Lesson Timer allows you to setup multiple sections of your presentation, lecture, or classroom activity. You can see at a glance how much time is left in each section, a reminder of the next section, and where you are in the overall schedule. Icons from Icons8.com UI Sounds from Serginous and Aiwha on free sound.org
permutation group
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This app represents permutation group. You can have some understanding for permutation groups, S3 and D4.
Screenshots
Verdict
The clearest difference is iOS requirement: Lesson Timer at 7.1 against permutation group's 16.6. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Lesson Timer | permutation group |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (7 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 7 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.1 — better | 16.6 |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Brian Broom | Sungjun Kim |
In-app purchases
Lesson Timer
No in-app purchases
permutation group
No in-app purchases
Questions
Is Lesson Timer free?
Is permutation group free?
Do Lesson Timer or permutation group have ads?
Other comparisons
