ISN Greenup vs Pitch Timer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ISN Greenup
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The ISN Greenup app is for trained community-based observers and local and traditional knowledge holders to record ecological and environmental observations in their local communities. The BeringWatch Sentinel Community-Based Monitoring Network which includes the Sentinel app was designed and refined over the past 15 years in Alaskan Native communities. Users of the ISN Greenup app are located primarily in remote communities that are affected by a rapidly changing environment. The strength of the BeringWatch environmental data collection framework is that it is tribally-driven. Communities are better able to actively participate and lead data collection that both addresses community concerns and contributes meaningful scientific data to researchers, resource managers, and decision makers. BeringWatch Community-Based Sentinel Monitoring Programs are established using observation protocols and standardized methodologies for community-based recording of observations of wildlife, subsistence species and environmental phenomena at locations surrounding participating communities. These data, if collected in a repeatable and consistent manner over a long period of time, can provide valuable ecological reference points for the region. For information on joining the BeringWatch Sentinel Network please contact the Aleut Community of St. Paul Tribal Government.
Pitch Timer
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Do you ever want the timer to run continuously for a conference or presentation? With this application, you can freely set the timer for the first, second, third, etc. at the time of presentation. (You can also separate exercise and rest at the time of exercise.) For example, you can set 5 minutes for the first time, 3 minutes for the second time, 2 minutes for the third time, etc. When the set timer finishes, it repeats again. The timer is compatible with iPhone / iPad in portrait and landscape mode, so it can be used in your environment. Features: Up to 8 timers can be set. Remaining time is displayed for easy visual recognition. No advertisements (for now).
Screenshots
Verdict
The clearest difference is update cadence: Pitch Timer at every 2 days against ISN Greenup's every 10 months. Pitch Timer also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support 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.
ISN Greenup ships an update every 10 months, Pitch Timer every 2 days. The most recent releases landed on September 9, 2026 and May 16, 2026 respectively.
| Parameter | ISN Greenup | Pitch Timer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 months | Every 2 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 β better |
| Further details β not scored | ||
| Size | 6 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleut Community of St. Paul Island Tribal Government | Yuichi Hiruta |
In-app purchases
ISN Greenup
No in-app purchases
Pitch Timer
No in-app purchases
Questions
Is ISN Greenup free?
Is Pitch Timer free?
Do ISN Greenup or Pitch Timer have ads?
Which is updated more often, ISN Greenup or Pitch Timer?
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