Comparison

NumBots vs Evidence Me by 2Simple

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

Head to head
About

NumBots

This platform helps children master mental addition and subtraction, moving them from counting to calculating. It focuses on building understanding, recall, and fluency in these core math skills. Designed for early learners, it offers an engaging way to achieve mathematical proficiency.

Highlights
  • Master mental addition
  • Master mental subtraction
  • Build understanding
  • Develop recall
  • Achieve fluency
  • Transition from counting to calculating
Features
Read full description

Addition & Subtraction. Solved. From the innovators who bring you Times Tables Rock Stars, comes a highly engaging platform for learning to add and subtract… NumBots! NumBots is all about every child achieving the “triple win” of understanding, recall and fluency in mental addition and subtraction, so that they move from counting to calculating. Suitable from Year 1 (UK) or Kindergarten (US) upwards. Younger players will be able to access the early stages from a mathematical point of view but will find it increasingly harder to reach the level of fluency required to make continued progress.

About

Evidence Me by 2Simple

Easily capture classroom observations with photos and videos. Features include face blurring, curriculum integration, and automatic suggestions for objectives and learners. Perform assessments directly within the app.

Highlights
  • Capture photos and video
  • Face blurring technology
  • Add multiple media per observation
  • Sync observations across devices
  • Integrated or custom curriculum
  • Next steps objectives
  • In-app assessment
Features
Read full description

It has never been easier or more fun to capture observations in the classroom. Our completely re-invented app is simpler and more powerful than ever before. We have listened to your feedback and are please to present the following features: - Capture photos and video in real time in the classroom - Face blurring technology built-in - Add up to 10 photos or videos for each observation - See observations captured on all of your school's device on your device - Use our built-in Early Years curriculum or add your own curriculum in minutes - Next steps objectives - Perform your assessment directly in the app - Objectives & Learners are automatically suggested for your observations! An Evidence Me account is needed to use the app.

Screenshots

NumBots4 screens
Evidence Me by 2Simple4 screens

Verdict

The call

The clearest difference is review sentiment: NumBots at 66% against Evidence Me by 2Simple's 19%. NumBots also leads on rating (4.7 vs 1.0) and ratings volume (322 vs 2). Evidence Me by 2Simple's advantage is iOS requirement (9.0 vs 15.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

NumBots holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: NumBots has 322 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 66% of NumBots's written reviews are positive against 19% of Evidence Me by 2Simple's.

UpkeepUpdate frequency

NumBots ships an update every 2 months, Evidence Me by 2Simple every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
NumBots versus Evidence Me by 2Simple: the parameters behind the verdict, then further details
ParameterNumBotsEvidence Me by 2Simple
PriceFreeFree
Rating4.7 (322 ratings) — better1.0 (2 ratings)
Positive reviews66.3% of reviews — better18.8% of reviews
Number of ratings322 — better2
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size30 MB42 MB
Age rating4+4+
DeveloperMaths Circle Ltd2 Eskimos Ltd

Customer experience

NumBots

All ratings322 ratings
Positive93.5%
Neutral2.2%
Negative4.3%
Written reviews166 reviews
Positive66.3%
Neutral7.2%
Negative26.5%

Evidence Me by 2Simple

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews32 reviews
Positive18.8%
Neutral6.3%
Negative75.0%

Bugs and requests

NumBots

Reported bugs

5 issues
  • Coins and stars not tracking correctly
  • Login issues across devices
  • Keyboard not showing up on tablets
  • Levels randomly locked or missing
  • App crashing and freezing

Requested features

5 requests
  • More advanced levels and content
  • Ability to skip to appropriate level
  • Less emphasis on speed, more on accuracy
  • Family account support
  • Improved login and persistence

Evidence Me by 2Simple

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

NumBots

No in-app purchases

None

Evidence Me by 2Simple

No in-app purchases

Questions

Is NumBots free?
NumBots is free to download, with no in-app purchases.
Is Evidence Me by 2Simple free?
Evidence Me by 2Simple is free to download, with no in-app purchases.
Which has better reviews, NumBots or Evidence Me by 2Simple?
NumBots is rated higher. NumBots averages 4.7 out of 5 from 322 ratings, while Evidence Me by 2Simple averages 1.0 from 2 ratings.
Do NumBots or Evidence Me by 2Simple have ads?
Neither NumBots nor Evidence Me by 2Simple shows ads.
Which is updated more often, NumBots or Evidence Me by 2Simple?
NumBots ships an update every 2 months, and Evidence Me by 2Simple every 3 months. Most recently, NumBots was updated on November 6, 2026 and Evidence Me by 2Simple on November 3, 2026.

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