- Tools tested: Mobile Action, Sensor Tower, Searchman, Appcodes,MobiledevHQ (Tune).
- Our test used one of our internal iOS apps, which was launched on February 3rd and the data was collected on 2/25/16.
- 3 keywords were used to analyze the tools’ accuracy (goal tracker, personal goals and goal setting) for both our iPhone and iPad listings.
- No external marketing was done during the study.
- Each tool’s search volume estimates were compared to an auto-fill index score, which is based on the number of characters required to populate a keyword in the on-screen auto fill results on an iOS device (we used an iPhone 6). We used this metric to serve as our independent benchmark due to a concern over the accuracy of using Google trends/keyword planner tool statistics to accurately estimate Apple app store search volume.
- Mobile action’s documentation suggests that, for keywords with a chance percentage over 40% and few competing apps, those keyword have a good chance of hitting a top 10 rank; thus we used 40% as the prediction = yes threshold for Mobile Action, vs 50% for the other tools.
- 3 points were awarded for 1st place, 2 for 2nd place and 1 for third place for the overall accuracy rankings.
ASO Tool Accuracy
Test 1: Predicting chances of attaining a top 10 rank (soon after the 7-day cliff occurred)No tool received a perfect score of being able to predict whether our app could attain and sustain a top 10 rank or not for all 3 keywords, across iPhone and iPad. The winner was a tie between Mobile Action and Appcodes. It’s worth noting that Appcodes indicated a 0% chance for 2 keywords, while none of the other tools indicated a zero % chance.
- First place: Mobile Action & Appcodes (67% accurate at predicting a top 10 rank)
- Third place: Sensor Tower (33% accurate at predicting a top 10 rank)
- Fourth place: MobiledevHQ (17% accurate at predicting a top 10 rank)
Test 2: Search volumeThis phase of the contest proved problematic and yielded no clear winner, for several different reasons:
- Determining search volume is a very difficult task still managed by guesswork, as Apple hardly provides any help in determining search volume by keywords. Even using Apple’s auto fill is not a surefire, apples-to-apples way to determine search volume as certain letters may have much more volume in actuality than others (e.g. “s” vs “x”), so even though one keyword may appear much sooner than another, it does not necessarily mean that keyword is more popular than the other.
- While 3 ASO tools (Mobile Action, Sensor Tower and Searchman) each disagreed on the exact search volume score per keyword (Searchman consistently indicated single digit volume for keywords while estimates from Mobile Action and Sensor Tower ranged from 30% to 43%), these 3 tools did have consensus in A) how the keywords ranked in volume from first to third and B) that each keyword did in fact have volume.
- MobiledevHQ and Appcodes each failed to list a volume score for 1 keyword rendering their records incomplete, yet they indicated that different keywords were low volume.
- Google data was also contradictory – when it came to determining which keyword had the highest search volume, Google trends and Google keyword planner tool (mobile) volume were out of sync with both one another as well as the ASO tools when it came to ranking the keywords.
Test 3: Number of apps returned for a keyword search query:This was a straightforward and accurate metric to measure, as each keyword search returned fewer than 100 apps total.
- First place by a hair was Mobile Action (100% accuracy)
- Second place was a tie between Sensor Tower and Appcodes (83% accuracy)
Test 4: Actual keyword rankThis metric was measured by comparing the actual rank of our app for a keyword, to the rank currently indicated in the ASO tool.
- First place: Appcodes (average deviation of 7% vs actual rank)
- Second place: Mobile Action (average deviation of 11% vs actual rank
- Third place: Searchman (average deviation of 13% vs actual rank)
- Fourth Place: Sensor Tower (average deviation of 14% vs actual rank)
Overall Accuracy results…
- First place (tied with 8 points each) Mobile Action & Appcodes
- Third place Sensor Tower (4 points)
- Fourth place (tied with 1 point each) Searchman & MobiledevHQ
Unique features breakdown by ASO toolWhile each tool does have its own set of unique features and functionality, the tools did share some similar, core functionality. Here are the main features common to all tools:
- Total number of apps returned per keyword query
- Keyword search volume
- Keyword difficulty/chance %/efficiency index
- Keyword/category rank history
- Competitive app tracking
- App download/revenue
- Visibility score
- Estimated number downloads for a given app in the store
Mobile Action:Mobile action’s core utility is as an ASO optimizations suggestion and competitive/keyword research tool. Unique features include:
- Actionable suggestions based on app listing
- 90 day forecasting of downloads/revenue
- Review analysis to identify common keywords
Appcodes:App Codes’s core utility is as a barebones keyword analysis tool. Unique features include:
- Scaled promo code distribution
- Estimate of keywords space keywords per competitor
- Competitor press mentions (seem to be only from 2013)
Sensor Tower:Sensor tower’s core utility is as a rankings and keyword/competitive research tool. Unique features include:
- Keywords space optimization to maximize return within character limits (local and international)
- Returning both keyword statistics and app results for a keyword search query
Searchman:Searchman’s core utility is in its diverse and unique set of features related to keyword and competitive analysis. Unique features include:
- Facebook ads targeting & CPI suggestions based on keywords/competitors
- Keyword efficiency score (a combination of search volume to competition)
- Competitive app description comparison
- Keyword optimization workflow (pulling in keyword ideas from several sources and assisting in optimizing title, keywords space and description)
- Scaled data requests for keywords, ads and market data via API
MobiledevHQ:MobiledevHQ’s core utility is as a download attribution and rankings insights tool. Unique features include:
- Most popular category of apps returned for a keyword
- Organic to paid downloads breakdown
- Estimation of installs driven by keywords
- App store macro ranking volatility tracking system (sonar)
- Competitor is outranking keyword indicator
App Annie:While App Annie doesn’t provide search volume or a difficulty score and as such wasn’t compared above, it is a common and useful ASO tool. App Annie’s utility is for tracking rank and store stats over time. Some unique features include:
- Rank change for all returned apps for any keyword search across iPhone, iPad and Android. Though it’s important to note that App Annie does not seem to show apps when the number of returning apps is above ~2,000. App Annie also sometimes does not show any results when there are results in actuality.
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