Comparison

CitSci vs Mushroom Observer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CitSci

Empower your community with a tool for collecting and uploading scientific observations. This app facilitates citizen science projects, allowing users to contribute valuable data directly to a central platform.

Highlights
  • Data collection for citizen science
  • Upload observations to CitSci.org
  • Empowers community science projects
  • Syncs with web platform
  • Facilitates observation contribution
Features
Read full description

The CitSci mobile app is a data collection app for citizen scientists that syncs up with CitSci.org. The app augments the web site by empowering users to collect and upload observations to CitSci.org. The app helps people and communities do great citizen science.

About

Mushroom Observer

Document fungi discoveries directly from your mobile device. Record detailed observations and contribute to a community-driven database of fungal life. Ideal for naturalists and researchers documenting specimens in the field.

Highlights
  • Record fungi observations
  • Document field discoveries
  • Contribute to a database
  • Mobile specimen recording
  • Fungal life documentation
Features
Read full description

Record observations of fungi found in the field on the Mushroom Observer mobile app.

Screenshots

CitSci4 screens
Mushroom Observer4 screens

Verdict

The call

The clearest difference is update cadence: Mushroom Observer at fortnightly against CitSci's every 6 weeks. Mushroom Observer also leads on iOS requirement (13.4 vs 15.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CitSci ships an update every 6 weeks, Mushroom Observer fortnightly. The most recent releases landed on September 10, 2026 and August 27, 2026 respectively.

Scorecard2 real differences · 8 level
CitSci versus Mushroom Observer: the parameters behind the verdict, then further details
ParameterCitSciMushroom Observer
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews—0.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.4 — better
Further details — not scored
Size33 MB25 MB
Age rating4+4+
DeveloperGreg NewmanMushroom Observer, Inc.

Customer experience

CitSci

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Mushroom Observer

Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

In-app purchases

None

CitSci

No in-app purchases

None

Mushroom Observer

No in-app purchases

Questions

Is CitSci free?
CitSci is free to download, with no in-app purchases.
Is Mushroom Observer free?
Mushroom Observer is free to download, with no in-app purchases.
Do CitSci or Mushroom Observer have ads?
Neither CitSci nor Mushroom Observer shows ads.
Which is updated more often, CitSci or Mushroom Observer?
CitSci ships an update every 6 weeks, and Mushroom Observer fortnightly. Most recently, CitSci was updated on September 10, 2026 and Mushroom Observer on August 27, 2026.

Other comparisons